Ampeg PF-350 Musical Instrument Amplifier User Manual
Contents
1. 2011 LOUD Technologies Inc 16220 Wood Red Road Woodinville WA 98072 Part No SW0855 Rev 01 11 speaker outputs XLR line out 250W rms 80 350W rms 40 4 minimum ftewitch pwramp in preamp out tuner out patch XLR line out mower swaan MIN LOAD 21sitilqmA 103100 IsunsM2. FAULT LED This LED illuminates amber if the amp thermals and shuts down or develops other fault conditions See Fault Thermal Considerations on page 18 for more information 7 8 9 10 11 12 13 12 AUDIO IN The audio output from line level sources such as an iPod MP3 or CD player can connect to this 1 8 TRS stereo input The incoming audio is mixed with the preamp signals so you can play along to a practice track as you listen with headphones The audio coming in here only plays in the headphones and appears nowhere else It is not affected by the volume control 13 PHONES Use this 1 8 TRS stereo output to connect your headphones The output here is a mix of the line level signals reaching the amplifier and any incoming audio from the audio in jack 12 If you just want to listen and practice through headphones disconnect the speaker level outputs 18 from the speaker cabinet There is no harm in playing the PF 350 without speakers Before putting on headphones make sure the volume control 8 is turned down and if connected any external audio source has its level turned down This will reduce the chance of hearing damage due to loud volumes PF 350 PF 500 Bass Guitar Amplifier PF 350 Rear Panel speaker outputs XLR line out fx loop 14 15 16 17 18 18 19 20 21 14 IEC POWER INPUT CONNECTOR This 18 SPEAKER OUTPUTS These 1 4 TS is where you con
3. Bass Guitar Amplifiers Owner s Manual AForzgz a ay P350 I PF 500 Bass Guitar Amplifier TABLE OF CONTENTS Important Safety Instructions Introduction IMPORTANT SAFETY INSTRUCTIONS Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with a dry cloth nor 7 Do not block any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 9 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with a cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to
4. 1 1 45357 LHOIY 15 110 359 YIMOd 0t 03 1504 7051 09 1004 ANIJS 51993343 81939543 FEI XIN LAALNO Y1X JONVYGIN 55 8 nivo NOISSIYdNOO K K 8 si AYLINDYIO TOXLNOD l J PY Y A NINOJYA FONVAGIN IH 07 Valin Valin HSJYHL 019313 Wad Wad ANNL 16 72 ape a ay P50 I PF 500 Boss Guitar Amplifier PF 500 TECHNICAL SPECIFICATIONS Output Power Rating 300 watts rms 8 ohms 3 THD 500 watts rms 4 ohms 3 THD Signal to Noise Ratio 72 dB 20 2 20 kHz unweighted Maximum Gain 69 dB tone controls centered Tone Controls Bass 12 12 dB 40 Hz Midrange 10 20 dB 220 Hz 450 Hz 800 Hz 1 6 kHz or 3 kHz Treble 15 20 dB 4 kHz Power Requirements 100 120 VAC 50 60 Hz 125W 200 240 VAC 50 60 Hz 125W Size H x W x D 3 1 in 80 mm x 14 0 in 355 mm 10 8 in 272 mm Weight 11 0 5 0 kg approximately The PF 500 is covered with sheet metal so be sure to clean with a dry lint free cloth N
5. 22 VENTILATION Make sure that the ventilation openings are not obscured in any way This will allow the flow of cooling air to the power amplifier s heatsinks See Fault Thermal Considerations on page 18 for more information 14 33 32 31 ft switch pwramp in pre amp out pro EQ speaker outputs XLR line out 4048 am 23 23 24 252627 28 23 SPEAKER OUTPUTS These individual Speakon 1 4 TS output jacks supply speaker level power to the speaker cabinet The rated power output is 300 watts rms into 8 ohms or 500 watts rms into 4 ohms The two outputs are wired in parallel and you can use either one or use both Make sure the total speaker impedance load is 4 ohms or greater For example you could connect Two 16 ohm speakers an 8 ohm load Two 8 ohm speakers a 4 ohm load or one 4 ohm speaker Use speaker cables with Speakon or 1 4 TS ends to make the connections Do not use instrument cables as they may overheat 24 XLR LINE OUT JACK Typically you would connect this balanced output to the balanced input of an external mixer or a recorder In this way you do not have to mic the speaker cabinet in order to add it to the main mix or to record The output is not affected by the volume control 15 This output can connect to external power amplifiers or powered loudspeakers as long as they have their own inp
6. Government s Occupational Safety and Health Administration OSHA has specified the permissible noise level exposures shown the following chart Reorient or relocate the receiving antenna According to OSHA any exposure in excess of these per missible limits could result in some hearing loss To ensure against potentially dangerous exposure to high sound pressure levels it is recommended that all persons exposed to equipment capable of producing high sound pressure levels use hearing protectors while the equipment is in operation Ear plugs or protectors in the ear canals or over the ears must be worn when operating the equip ment in order to prevent permanent hearing loss if exposure is in excess of the limits set forth here Increase the separation between the equipment and the receiver Connect the equipment into an outlet a circuit different from that to which the receiver is connected Consult the dealer an experienced radio TV technician for help CAUTION Changes or modifications to this device not expressly approved by LOUD Technologies Inc could void the user s authority to operate the equipment under FCC rules Duration Sound Typical Example day in hours Level dBA Slow This apparatus does not exceed the Class A Class B whichever Duo in small cub is applicable limits for radio noise emissions from digital appara tus as set out in the radio interference regulations of th
7. PF 500 Bass Guitar Amplifier PREAMPLIFIER TONE CONTROLS GAIN TREBLE MIDRANGE BASS XLR BALANCED LINE OUTPUT SEND L EFFECTS LOOP RETURN LIMIT LED y LIMITER SPEAKER OUTPUTS VOLUME AUDIO INPUT STEREO RIGHT RIGHT LEFT 5 OUTPUT LEFT AForzgz a ay__PF 350 I PF 500 Boss Guitar Amplifier PF 350 TECHNICAL SPECIFICATIONS Output Power Rating 250 watts rms 8 ohms 5 THD 350 watts rms 4 ohms 5 THD Signal to Noise Ratio 75 dB 20 Hz 20 kHz unweighted Maximum Gain 64 dB tone controls centered Tone Controls Bass 14 12 dB 40 Hz Midrange 5 13 dB 500 Hz Treble 19 25 dB 8 kHz Power Requirements 100 120 VAC 50 60 Hz 100W 200 240 VAC 50 60 Hz 100W Size H x W x D 2 7 in 69 mm x 10 8 in 275 mm 10 7 in 272 mm Weight 7 8 b 3 5 kg approximately The PF 350 is covered with sheet metal so be sure to clean with a dry lint free cloth Never spray cleaning agents on the PF 350 Avoid abrasive cleansers which would damage the finish Ampeg continually develops new products and improves upon existing ones For this reason the specifications and information in this manual are subject to change without notice Ampeg is a registered trademark of LOUD Technologies Inc All other brand names mentioned
8. 350 Front Panel 10 input gain midrange ODOODO treble volume INPUT The signal output from an instrument active or passive may be connected to this 1 4 input by means of a shielded instrument cable 15 dB PAD Press this switch in to reduce the input signal by 15 dB and compensate for higher output sources This attenuation is suited for use with basses that have active electronics or high output pickups Use this pad if you notice that the peak LED 3 comes on regularly It will reduce the chance of overdriving the preamplifier stage and allow more usable range and fine adjustment of the gain control PEAK LED This red warning LED will come on if the input signal is too high the gain control is set too high or there is too much boost from the bass midrange and treble controls If it comes on regularly even when these controls are low try engaging the 15 dB pad 2 GAIN This varies the amount of signal driving the preamplifier If a small clockwise rotation from minimum leads to overloading and the peak LED illuminating try engaging the 15 dB pad This will give more usable range with the gain control 7 8 9 10 11 12 13 BASS Use this to adjust the low frequency level of the amplifier This provides up to 14 dB of boost or 12 dB of cut at 40 Hz The low frequency output is flattest at the center position MIDRANGE Use this to adjust the midrange
9. are trademarks or registered trademarks of their respective holders and are hereby acknowledged Service Information If you are having a problem with your PF 350 you can go to our website www ampeg com and click on Support for service information or call Technical Support at 1 800 898 3211 Monday Friday during normal business hours PST to receive assistance If you are outside of the U S contact your local distributor for technical support and service 10 AForzgz a ay P350 PF 500 Boss Guitar Amplifier PF 500 Front Panel M orages lar fhresh 9 gain 10 ultra lo 10 compression 10 midrange frequency 0 10 treble fx mix volume 1 2 345 6 7 89 10 11 INPUT The signal output from an 6 instrument active or passive may be connected to this 1 4 input by means of a shielded instrument cable PEAK MUTE LED This red warning LED will come on if the mute switch 4 is engaged or if the input signal is too high the gain control is set too high or there is too much boost from the bass midrange and treble controls If it comes on regularly even when these controls are low try engaging the 15 dB pad 3 15 dB PAD Press this switch in to reduce the input signal by 15 dB and compensate for higher output sources This attenuation is suited for use with basses that have active electronics or high output pickups Use this
10. frequency level of the amplifier This provides up to 5 dB of boost 13 dB of cut at 500 Hz The midrange frequency output is flat at the center position Rotate the control counter clockwise for a contoured sound more distant less midrange output or clockwise for a sound which really cuts through TREBLE Use this to adjust the high frequency level of the amplifier This provides up to 19 dB of boost or 5 dB of cut at 8 kHz The high frequency output is flattest at the center position VOLUME Use this to control the overall output level It affects the speaker outputs and preamp level to the headphone output Use it wisely and turn it down when making connections putting on headphones or trying something new AForzgz a ay P350 PF 500 Boss Guitar Amplifier PF 350 Front Panel continued 10 11 10 bass midrange 1 treble volume LIMIT LED This LED illuminates when the limiter circuit is activated indicating that the amplifier is nearing full output and the limiter is keeping peak signals from clipping the output LIMITER SWITCH Press this switch in to add the limiter circuit If the signals driving the amplifier start to peak the limiter will automatically reduce the signals to prevent clipping and the LED 9 will flash The limiter will help keep the amplifier s output clean up to high output levels and avoid potentially damaging distortion
11. pad if you notice that the peak mute LED 2 comes on regularly It will reduce the 8 chance of overdriving the preamplifier stage and allow more usable range and fine adjustment of the gain control MUTE Press this switch in to mute the 9 signal The peak mute LED 2 will illuminate when this switch is engaged THRESH LED This illuminates when the signal level is above the compressor threshold and gain reduction is active 10 12 13 14 15 1617 18 COMPRESSION This controls the amount of signal compression At the fully counter clockwise position there is no compression at the fully clockwise position the compression ratio is 10 1 The sonic effect of compression is reduced dynamics increased sustain and a more consistent output level regardless of how light or hard the strings are played The compressor is very transparent that is there is very little effect on the tone of your instrument GAIN This varies the amount of signal driving the preamplifier If a small clockwise rotation from minimum leads to overloading and the peak LED illuminating try engaging the 15 dB pad This will give more usable range with the gain control ULTRA LO This switch when engaged enhances the amount of low end output by 2 dB at 40 Hz and 10 cut at 500 Hz ULTRA HI This switch when engaged enhances the amount of high frequency output by 9 dB at 8 kHz BASS Use this to adjust the low frequency level of
12. AMPLIFICATEURS PEUVENT PRODUIRE DE TRES HAUTES PRESSIONS ACOUSTIQUES QUI PEUVENT CAUSER DES DOMMAGES AUDITIFS PERMANENTS OU DEFINITFS L UTILISER AVEC UNE GRANDE PRECAUTION EST CONSEILLE ET DES PROTECTIONS AUDITIVES SONT RECOMMANDEES POUR UNE UTILISATION A FORT ATTENTION CET APPAREIL REQUIERT UNE PRISE MURALE AVEC MISE A LA TERRE AUX NORMES ACTUELLES ET COMPATIBLE AVEC LES SPECIFICATIONS ELECTRIQUES SE TROUVANT EN FACE ARRIERE DE L APPAREIL LA PRISE ELECTRIQUE DOIT RESTER ACCESSIBLE POUR DEBRANCHER L APPAREIL EN CAS DE DEFAUT PENDANT L UTILISATION CET APPAREIL DOIT ETRE DEBRANCHE SI IL N EST PAS UTILISE Elimination correcte du produit Ce symbole indique que ce produit ne doit pas tre limin avec les ordures m nag res comme le la directive WEEE 2002 96 EC et votre loi nationale Ce produit doit tre remis a un site de recyclage des d chets lectriques et des quipements lectroniques EEE Un mauvais recyclage de ce type de d chet peut avoir de possibles impacts n gatifs sur l environnement et sant humaine dus aux manations de substances Dans un m me temps votre coop ration a un recyclage correct de ce produit contribuera a la bonne utilisation des ressources naturelles Pour conna tre l endroit il est possible de recycler ces quipements merci de contacter votre mairie les services de recyclages ou le service des d chets m nagers Correct disposal of this product This symbol indicates tha
13. RIEURES PAR L USAGER CONFIER L ENTRETIEN AU PERSONNEL QUALIFIE AVIS POUR EVITER LES RISQUES D INCENDIE OU D ELECTROCUTION N EXPOSEZ PAS CET ARTICLE A LA PLUIE OU A L HUMIDITE The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons injury from tip over 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as 2 Le symbole clair avec point de fl che l int rieur d un triangle quilat ral est utilis pour alerter l utilisateur de la pr sence l int rieur du coffret de voltage dangereux non isol d ampleur suffisante pour constituer un risque d l ctrocution The exclamation point within an equilateral triangle is intended to alert the user of the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance Le point d exclamation l int rieur d un triangle quilat ral est employ pour alerter les utilisateurs de la pr sence d instructions importantes pour le fonctionnement et l entretien service dans le livret d instruction accompagnant l appareil WARNING To
14. avoid PORTABLE CART WARNING power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 15 Do not overload wall outlets and extension cords as this can result in a risk of fire or electric shock 16 This apparatus shall not be exposed to dripping or splashing and no object filled with liquids such as vases or beer glasses shall be placed on the apparatus 17 This apparatus has been designed with Class l construction and must be connected to a mains socket outlet with a protective earthing connection the third grounding prong 18 The MAINS plug or an appliance coupler is used as the disconnect device so the disconnect device shall remain readily operable 19 For the terminals marked with symbol of 4 may be of sufficient magnitude to constitute a risk of electric shock The external wiring connected to the terminals requires installation by an instructed person or the used of ready made leads or cords CAUTION AVIS RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL ATTENTION POUR EVITER LES RISQUES DE CHOC ELECTRIQUE NE PAS ENLEVER LE COUVERCLE AUCUN ENTRETIEN DE PIECES INTE
15. ct and fully clockwise adds all effect with no direct signal The fully clockwise position is equivalent to a series effects loop and should be used with such devices as limiters and equalizers 11 15 16 17 12 13 14 15 1617 18 VOLUME Use this to control the overall output level It affects the preamp level to speaker and phone outputs Use it wisely and turn it down when making connections putting on headphones or trying something new FAULT LED This LED illuminates amber if the amp thermals and shuts down or develops other fault conditions See Fault Thermal Considerations on page 18 for more information AUDIO IN The audio output from line level sources such as an iPod MP3 or CD player can connect to this 1 8 TRS stereo input The incoming audio is mixed with the preamp signals so you can play along to a practice track as you listen with headphones The audio coming in here only plays in the headphones and appears nowhere else It does not affect the signal fed to the audio input AForzgz a ay P350 PF 500 Boss Guitar Amplifier PF 500 Front Panel continued uktrahi fhresh T 9 1 10 10 midrange frequency treble fx mix volume 10 compression gain 1 2 345 6 7 89 10 11 12 13 14 15 1617 18 18 PHONES Use this 1 8 TRS stereo output to connect your head
16. e Canadian Department of Communications Subway Train Very loud classical music The boss screaming at his minions about manual deadlines Loudest parts at a rock concert CONSIGNES DE SECURITE IMPORTANTES SUIVRE TOUTES LES INSTRUCTIONS ET LES PRECAUTIONS D UTILISATION NE PAS UTILISER PROCHE D UNE SOURCE DE CHALEUR ET NE PAS BLOQUER OU OBSTRUER LE SYSTEME DE VENTILATION SUR CET APPAREIL POUR UNE UTILISATION CONFORME CET APPAREIL NECESSITE ENVIRON 7CM D ESPACE BIEN VENTILE AUTOUR DE SON SYSTEME DE REFROIDISSEMENT AINSI QU UN COURANT D AIR FRAIS CONSTANT NE PAS UTILISER CET APPAREIL PROCHE D UNE SOURCE LIQUIDE NETTOYER SEULEMENT L AIDE D UN CHIFFON DOUX ET SEC ET NE PAS UTILISER DE PRODUITS MENAGERS CONNECTER UNIQUEMENT LE CABLE D ALIMENTATION FOURNI SUR UNE PRISE AVEC MISE A LA TERRE ET COMPATIBLE AVEC LA TENSION ET LA FREQUENCE REQUISES INDIQUEES SUR LA FACE ARRIERE DE L APPAREIL S ASSURER DE NE PAS MARCHER PLIER OU TIRER SUR LE CABLE D ALIMENTATION DEBRANCHER L APPAREIL LORS D UNE TEMPETE OU LORS D UNE TRES LONGUE PERIODE DE NON UTILISATION UTILISER UNIQUEMENT DES ACCESSOIRES SPECIFIES PAR LE FABRICANT POUR UNE UTILISATION EN TOUTE SECURITE ET POUR EVITER DES BLESSURES ATTENTION AFIN DE PREVENIR TOUT RISQUE DE CHOCS ELECTRIQUES OU DE DEBUT D INCENDIE PAS EXPOSER CET APPAREIL LA PLUIE ET A L HUMIDITE TOUT ENTRETIEN DOIT ETRE FAIT PAR UN TECHNICIEN QUALIFIE NOS
17. ever spray cleaning agents on the PF 500 Avoid abrasive cleansers which would damage the finish Ampeg continually develops new products and improves upon existing ones For this reason the specifications and information in this manual are subject to change without notice Ampeg is a registered trademark of LOUD Technologies Inc All other brand names mentioned are trademarks or registered trademarks of their respective holders and are hereby acknowledged Service Information If you are having a problem with your PF 500 you can go to our website www ampeg com and click on Support for service information or call Technical Support at 1 800 898 3211 Monday Friday during normal business hours PST to receive assistance If you are outside of the U S contact your local distributor for technical support and service 17 ao PF 350 500 Bass Guitar Amplifier Fault Thermal Considerations 18 As an amplifier works it produces heat The higher the signal level the louder and hotter it gets It is important to dissipate the heat as quickly as possible This results in increased reliability and longevity for the amplifier The amplifier module is mounted on a large heatsink which is cooled by convection where cool air is drawn through its fins carrying the heat away In order for this convection cooling to work efficiently it is important to provide adequate airspace behind and to the side or above the amplifier Whe
18. he speaker cabinet in order maine SPR to add it to the main mix or to record 17 VENTILATION Make sure that the The output is not affected by the volume ventilation openings are not obscured in control 8 any way This will allow the flow of cooling air to the power amplifier s heatsinks See Fault Thermal Considerations on page 18 for more information This output can connect to external power amplifiers or powered loudspeakers as long as they have their own input controls to adjust the volume level Balanced connections allow long cable runs to be used as hum and noise pickup in the line is minimized 7 PF 350 PF 500 Bass Guitar Amplifier PF 350 Rear Panel continued speaker outputs XLR line out fx loop EL 14 15 16 17 18 18 19 20 21 20 FX SEND JACK Use this 1 4 TS 21 FX RETURN JACK Use this 1 4 TS unbalanced output to send a line level unbalanced input to return the output to an external effects processor processed line level output of an external for example The output here is effects processor for example The affected by all controls except the processor could be fed by signals from volume the FX send Use the FX return jack to feed the returned processed signals back into the power amplifier PF 350 Block Diagram INPUT 15 dB PAD gt PEAK LED PEAK DETECTOR F 350
19. lex amplifier is designed by musicians and built using only the best of components Each amplifier is tested to confirm that it meets our specifications and we believe that this amplifier is the absolute best that it can be In order to get the most out of your new amplifier please read this manual before you begin playing And thank you for choosing Ampeg Here are some of the features packed into The PF 500 Amplifier has the same features your new PF 350 Amplifier as the PF 350 as well as the following Selectable 15 dB input pad e Dual JFET preamp e Gain control e Mute switch e Bass Mid and Treble controls e Dualfunction mute and peak LED e Master volume control On board variable compressor e Selectable Limiter and LED PF 350 only Ultra Lo and Ultra Hi switches e Peak LED e 5 way Midrange Frequency control e Stereo 1 8 auxiliary input FX Mix control e Headphone output e Tuner output e Effects loop with separate send and Preamp Out and Power In jacks return jacks Footswitch jack e Balanced XLR line output e Single Speakon amp 1 4 speaker output e Lightweight and fan cooled switching jacks power supply e Class D power amplifier rated at Voltage selector switch 500 watts rms into 4 ohms e Class D power amplifier rated at e Line Out features 350 watts rms into 4 ohms PF 350 e Pre Post EQ e 40 dB pad mic line level e Ground lift AForzgz a ay P350 PF 500 Bass Guitar Amplifier PF
20. n positioning the Portaflex we recommend leaving at least six inches of air space behind it In the unlikely event of the amplifier overheating a built in fault switch will activate muting the signal and lighting the thermal LED When the amplifier has cooled down to a safe operating temperature the fault switch resets itself and the Portaflex resumes normal operation If the fault switch activates frequently try turning down the volume control a notch or two to avoid overheating the amplifier Be aware that direct sunlight and or hot stage lights may be the culprit of an amplifier overheating Flip Top Instructions So you ve made it this far and you are now ready to flip your lid or at least the amp We will instruct you on how to do the latter as we are not in the business of lid flipping It is accomplished in five simple steps Step 1 loosen the latches on each side of the cabinet There are two latches on each side four total Step 2 using the handle lift the top of the cabinet amplifier is attached underneath and rotate it 180 clockwise as indicated in the middle drawing below Step 3 set the cabinet top handle side down on the top of the cabinet The amplifier should now be on the top right side up with the front of the amp and the front of the cabinet facing the same direction Step 4 line up and lock all four latches Step 5 rock out like there is no tomorrow Wwww ampeg com
21. nect the supplied AC output jacks supply speaker level power power cord to the speaker cabinet The rated power output is 250 watts rms into 8 ohms or Bef lugging in the power cord make 350 watts rms into 4 ohms sure that the voltage selector switch 15 is set to the same voltage as your The two identical outputs are wired in local AC mains parallel and you can use either one or 15 VOLTAGE SELECTOR SWITCH use both Make sure the total speaker Make sure the switch is in the correct impedance load is 4 ohms or greater position for your local AC mains voltage For example you could connect before you plug in the AC power cord Use a small flat screwdriver to slide the ie ohm speakers arm anm load switch if required Two 8 ohm speakers a 4 ohm load 16 POWER SWITCH Use this switch to or one 4 ohm speaker turn the overall system power on or off Use speaker cables with 1 4 TS ends Press the switch to the left to turn on to make the connections Do not use the power Press the switch to the right instrument cables as they may overheat to put the amp into standby mode It will not function but the circuits are still live To remove AC power either turn off the AC mains supply or unplug the power cord from the amplifier and the AC 19 XLR LINE OUT JACK Typically you would connect this balanced output to the balanced input of an external mixer or a recorder In this way you do not have to mic t
22. phones The output here is a mix of the line level signals reaching the amplifier and any incoming audio from the audio in jack 17 If you just want to listen and practice through headphones disconnect the speaker level outputs 23 from the speaker cabinet There is no harm in playing the PF 500 without speakers Before putting on headphones make sure the volume control 15 is turned down and if connected any external audio source has its level turned down This will reduce the chance of hearing damage due to loud volumes 13 AForzgz a ay P350 PF 500 Boss Guitar Amplifier PF 500 Rear Panel 19 20 21 22 19 IEC POWER INPUT CONNECTOR This is where you connect the supplied AC power cord Before plugging in the power cord make sure that the voltage selector switch 20 is set to the same voltage as your local AC mains 20 VOLTAGE SELECTOR SWITCH Make sure the switch is in the correct position for your local AC mains voltage before you plug in the AC power cord Use a small flat screwdriver to slide the switch if required 21 POWER SWITCH Use this switch to turn the overall system power on or off Press the switch to the left to turn on the power Press the switch to the right to put the amp into standby mode It will not function but the circuits are still live To remove AC power either turn off the AC mains supply or unplug the power cord from the amplifier and the AC mains supply
23. reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture NOTE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of ATTENTION Le pr sent appareil num rique n met pas de bruits radio lectriques d passant las limites applicables aux appa reils num riques de class A de class B selon le cas prescrites dans le r glement sur le brouillage radio lectrique dict par les ministere des communications du Canada the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruc tions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interfer ence to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Exposure to extremely high noise levels may cause permanent hearing loss Individuals vary considerably in susceptibility to noise induced hearing loss but nearly everyone will lose some hearing if exposed to sufficiently intense noise for a period of time The U S
24. t this product should not be disposed of with your household waste according to the WEEE directive 2002 96 EC and your national law This product should be handed over to an authorized col lection site for recycling waste electrical and electronic equipment EEE Improper handling of this type of waste could have a possible negative impact on the environment and human health due to potentially hazardous substances that are generally asso ciated with EEE At the same time your cooperation in the correct disposal of this product will contribute to the effective usage of natural resources For more information about where you can drop off your waste equipment for recycling please contact your local city office waste authority or your household waste disposal service AForzgz a ay P350 I PF 500 Boss Guitar Amplifier Introduction Portable Powerful Sexy Ampeg designed and built the original Portaflex Series over 50 years ago Congratulations are in order for today in your hands is the new and improved Portaflex Featuring Class D power and knobs galore these beasts pack a mean punch with a wide variety of tones at your disposal Also the switching power supply keeps the weight low without sacrificing power output or our legendary sound quality Don t stop now Your Portaflex amplifier is an ideal companion the Ampeg PF 115HE or Ampeg PF 210HE cabinet available separately Like all Ampeg products your Portaf
25. the amplifier This provides up to 12 dB of boost or 12 dB of cut at 40 Hz The low frequency output is flat at the center position 11 AForzgz a ay P350 PF 500 Boss Guitar Amplifier PF 500 Front Panel continued 11 12 13 14 12 mute PF 0 gain 10 ultra lo 10 compression 10 midrange frequency 10 treble fx mix 1 2 345 6 7 MIDRANGE Use this to adjust the midrange frequency level of the amplifier This provides up to 10 dB of boost 20 dB of cut at the frequency selected The midrange frequency output is flat at the center position Rotate the control counter clockwise for a contoured sound more distant less midrange output or clockwise for a sound which really cuts through FREQUENCY This control allows you to select the center frequency for the mid range control 11 giving you a choice of five voices for the midrange The numbers correspond to the following center frequencies 1 220 Hz 2 450 Hz 3 800 Hz 4 1 6 kHz 5 3 kHz TREBLE Use this to adjust the high frequency level of the amplifier This provides up to 15 dB of boost or 20 dB of cut at 4 kHz The high frequency output is flat at the center position FX MIX This control varies the mix between the direct dry signal and the effects wet when the effects loop is used Fully counter clockwise results in all direct signal no effe
26. ut 30 31 32 33 XLR line out post O pre Q 4048 23 23 24 252627 28 TUNER OUT This jack supplies the only live output when the mute switch is engaged This allows for silent tuning through an electronic tuner or killing the house send with a monitor mixer send still active PREAMP OUT This jack is a direct post master preamp output for use with an external power amp Connect the external amp s input to this jack using a shielded instrument cable POWER AMP IN This jack connects directly to the internal power amp for use with an external preamp When using an external source connect the OUTPUT of the source to this jack using a shielded instrument cable to feed the signal into the power amp section The internal signal is disconnected when a plug is inserted into this jack FOOTSWITCH Connect a dual footswitch to this jack for remote Mute and FX On Off control On the stereo 1 4 plug the tip controls Mute and the ring controls FX On Off The Mute function is available from either the front panel or the footswitch NOTE A footswitch may be purchased at your local Ampeg Dealer or ordered directly from LOUD Technologies Inc Be sure to ask for model AFP2 15 c5 i a LA ay 500 Block Diagram 1LNdLno S3ANOHd SL 1 1 0 YAMVAdS
27. ut controls to adjust the volume level Balanced connections allow long cable runs to be used as hum and noise pickup in the line is minimized AForzgz a ay P350 PF 500 Boss Guitar Amplifier PF 500 Rear Panel continued 25 26 27 28 29 19 20 21 22 GROUND LIFT Press this switch in to engage the Ground Lift if necessary to help eliminate hum at the XLR jack line level 40 dB mic level Press this switch in to apply 40 dB cut to the signal at the XLR Line Out 24 POST EQ PRE EQ The signal at the XLR Line Out 24 can be set to either Pre EQ or Post EQ with this switch With the switch in the IN position the signal at the XLR Line Out is Pre EQ This is a direct output not affected by any EQ or boost settings With the switch in the OUT position the signal is Post EQ and is controlled and modified by the tone controls and the effects loop FX SEND JACK Use this 1 4 TS unbalanced output to send a line level output to an external effects processor for example The output here is affected by all controls except the volume Use the FX return jack to feed the returned processed signals back into the power amplifier FX RETURN JACK Use this 1 4 TS unbalanced input to return the processed line level output of an external effects processor for example The processor could be fed by signals from the FX send 28 33 32 31 ft switch pwramp in amp o
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