Peavey KB/A 60 User's Manual
Contents
1. 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 Intended to alert the user of the presence of important operating and maintenance servicing instructions in the literature accompanying the product CAUTION Risk of electrical shock DO NOT OPEN CAUTION To reduce the risk of electric shock do not remove cover No user serviceable parts inside Refer servicing to qualified service personnel WARNING To prevent electrical shock or fire hazard do not expose this appliance to rain or moisture Before using this appliance read the operating guide for further warnings Este s mbolo tiene el prop sito de alertar al usuario de la presencia de voltaje peligroso que no tiene aislamiento dentro de la caja del producto que puede tener una magnitud suficiente como para constituir riesgo de corrientazo Este s mbolo tiene el prop sito de alertar al usario de la presencia de instruccones importantes sobre la operaci n y mantenimiento en la literatura que viene con el producto PRECAUCION Riesgo de corrientazo No abra PRECAUCION Para disminuir el riesgo de corrientazo no abra la cubierta No hay piezas adentro que el usario pueda reparar Deje todo mantenimiento a los t cnicos calificados ADVERTENCIA Para evitar corrientazos o peligro de incendio no deje2. Like all of the KB A series the KB A 60 is built for the road A tough black covering borrowed from the Transtube series is provided along with heavy duty corners A handle is available at the top of the unit to make transporting it a breeze and heavy duty rubber feet are provided to protect the bottom The amp is for real it s all there excellent sound portability roadworthy design and unmatched reliability And don t forget with every KB A series amplifier you get Peavey s excellent one year warranty and the best in customer service from Peavey s award winning repair and service department CHANNEL ONE 1 HIGH GAIN INPUT Used for instrument and microphones with a low level output It is 6dB louder than the Low Gain input 2 LOW GAIN INPUT Provided for instruments that have high outputs which can result in overdriving distorting the High Gain input If both inputs are used simultaneously the output levels are the same both are Low Gain 3 GAIN SWITCH Boosts the gain of channel one by 12dB Depress to the in position to activate 4 LEVEL Controls the Channel One 1 4 phone jack input level CHANNEL TWO 5 HIGH GAIN INPUT Used for instruments with a low level output It is 6dB louder than the Low Gain input LOW GAIN INPUT Provided for instruments that have high outputs which can result in overdriving distorting the High Gain input If both inputs are used simultaneously the output levels
3. are the same both are Low Gain LEVEL Controls the Channel Two 1 4 phone jack input level PRE EQ PATCH 8 SEND RETURN JACK A stereo out in jack allows the uses of various auxiliary units chorus flanging tape digital analog delays equalizers etc in line before the Equalization section To utilize this system a stereo plug tip ring sleeve to a Y cord must be used The tip portion of the 1 4 stereo jack serves as the signal send output while the ring portion will return the processed signal to the system The sleeve portion serves as the ground Since this is a stereo jack configuration the first click on the jack may be used as a pre EQ output with a mono 1 4 plug if desired This first click will not disturb the signal flow to the remainder of the system as it is fed into the EQ section NOTE IF THE SECOND CLICK OF THE OUT IN JACK IS UTILIZED WITHOUT RETURNING ANY SIGNAL TO THE SYSTEM FROM AN EFFECTS DEVICE THE REMAINING PREAMP FUNCTIONS WILL BE DISABLED EQUALIZATION 9 LOW EQ 10 11 12 13 An active tone control shelving type 15dB that varies the low frequency range CAUTION Excessive low frequency boost causes greater power consumption and increases possibility of speaker damage LOW MID EQ An active tone control peak notch 12dB that varies the low mid frequency range HIGH MID EQ An active tone control peak notch 12dB that varies the high mid frequency range HIG
4. internal speaker is automatically turned off so that a totally private rehearsal situation can be accomplished NOTE The headphone system will not work with headsets that have a mono phone plug SPECIFICATIONS PREAMP SECTION The following preamp specs are measured at 1 kHz with the master EQ set flat at 0 dB all gain switches in the out position the main reverb at 0 nominal signal levels are with channel level controls set at 5 minimum level are with channel level controls set at 10 HIGH GAIN INPUTS Input impedance 220k ohms Nominal input level 26 dBV 50mV RMS Minimum input level 40 dBV 10 mV RMS Maximum input level 10 dBV 3V RMS LOW GAIN INPUTS Input impedance 44k ohms Nominal input level 20 dBV 100 mV RMS Minimum input level 40 dBV 10 mV RMS Maximum input level 10 dBV 3V RMS PRE EQ PATCH STEREO JACK TIP Function Low level effects send Load impedance 10k ohms or greater Nominal output 20 dBV 100 mV RMS PRE EQ PATCH STEREO JACK RING Function Low level effects return Impedance High Z 100k ohms Input level 20 dBV 100 mV RMS Switching stereo jack providing patch output to patch input connection when not used PREAMP OUTPUT Function High level post EQ signal send Load impedance 1K ohms or greater Nominal output 0 dBV 1V RMS Maximum output 16 dBV 6 3V RMS POWER AMP INPUT Function High level post EQ signal return Impedance High Z 22 k ohms Nominal input 0 dBV 1V RM
5. H EQ An active tone control shelving type 15dB that varies the high frequency range PREAMP OUT POWER AMP IN JACKS These jacks are provided for in line patching of effects devices To patch an effects unit connect the Preamp Output to the input of the device Next connect the output of the device to the Power Amp Input high quality shielded cables must be used for these connections The Preamp Output can also be used to route the amplified signal to a mixing console tape recorder etc Connect the Preamp Output using a shielded cable to an input of the tape recorder mixer etc This patch does not affect the operation of the amplifier NOTE The preamp output level is approximately 1 volt RMS and is of relatively low impedance 600 ohms Any effects device used in this effects loop must be capable of receiving 1 volt input and providing 1 volt output in order to properly drive the power amp The Power Amp Input has an internal switch which disconnects the internal preamp This would allow an external mixer to be routed directly to the power amp MASTER 14 MAIN REVERB CONTROL The main reverb control determines the desired amount of reverberation from the internal reverb system Clockwise rotation increase the reverb effect and counter clockwise decreases the effect 15 PILOT LED RED The red pilot LED will illuminate when power is turn on 16 POWER SWITCH Depress the switch to the on position The red pilot light LED
6. IES AS HEREINABOVE STATED HAVE BEEN COMPLIED WITH IMPLIED WARRANTIES ARE NOT DISCLAIMED DURING THE APPLICABLE ONE YEAR OR NINETY DAY PERIOD FROM DATE OF PURCHASE OF THIS PRODUCT SOME STATES DO NOT ALLOW LIMITATION ON HOW LONG AN IMPLIED WARRANTY LASTS OR THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU THESE LIMITED WARRANTIES GIVE YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH MAY VARY FROM STATE TO STATE THESE LIMITED WARRANTIES ARE THE ONLY EXPRESSED WARRANTIES ON THIS PRODUCT AND NO OTHER STATEMENT REPRESENTATION WARRANTY OR AGREEMENT BY ANY PERSON SHALL BE VALID OR BINDING UPON PEAVEY In the event of any modification or disclaimer of expressed or implied warranties or any limitation of remedies contained herein conflicts with applicable law then such modification disclaimer or limitation as the case may be shall be deemed to be modified to the extent necessary to comply with such law Your remedies for breach of these warranties are limited to those remedies provided herein and Peavey Electronics Corporation gives this limited warranty only with respect to equipment purchased in the United States of America INSTRUCTIONS WARRANTY REGISTRATION CARD 1 Mail the completed WARRANTY REGISTRATION CARD to PEAVEY ELECTRONICS CORPORATION P O BOX 2898 Meridian MS 39302 2898 a Keep the PROOF OF PURCHASE In the event warranty service i
7. S Switching jack providing preamp output to power amp input connection when not used HEADPHONE OUTPUT STEREO JACK Load impedance 4 ohms or greater Nominal output 100 mW Switching jack which will disconnect internal speaker when headphone plug is inserted The following specs measured at nominal setting all phone jack inputs terminated with 47k ohms FREQUENCY RESPONSE Channel input preamp output at 1V RMS level 0 3 dB 60Hz to 20kHz SYSTEM DISTORTION Channel in preamp out 60 Hz 20kHz at 1V RMS Less than 05 THD typically below 01 PREAMP HUM AND NOISE 85 dBV CHANNEL EQUALIZATION 15 dB at 80Hz and 10kHz shelving 12 dB at 400Hz and 2kHz peak notch POWER AMPLIFIER SECTION RATED POWER AND LOAD SOW RMS into 8 ohms with DDT compression POWER AT CLIPPING TYPICALLY 1kHz 120V AC line 50W RMS into 8 ohms at 1 THD 55W RMS into 8 ohms at 5 THD FREQUENCY RESPONSE 0 2dB 30Hz to 20 kHz at 40W RMS into 8 ohms TOTAL HARMONIC DISTORTION Less than 0 2 100mW to 40W RMS 30 Hz to 10 kHz 8 ohms Typically below 0 1 DDT DYNAMIC RANGE Greater than 20 dB DDT MAXIMUM THD Below 0 5 THD for 6 dB overload Below 1 THD for 16 dB overload HUM amp NOISE Greater than 90 dB below rated power POWER CONSUMPTION DOMESTIC 150W at 120V AC 50 60 Hz LOEGE IddISSISSIN NVIGIUGN IIRS V LLZ di SJIINOYLJJT3 ASAV3d LEUEN HO7A 70 lt dWwV3dd UAT Be Tinamo dv a
8. avey s option and provided however that in any case all costs of shipping if necessary are paid by you the purchaser THE WARRANTY REGISTRATION CARD SHOULD BE ACCURATELY COMPLETED AND MAILED TO AND RECEIVED BY PEAVEY WITHIN FOURTEEN 14 DAYS FROM THE DATE OF YOUR PURCHASE In order to obtain service under these warranties you must a Bring the defective item to any PEAVEY AUTHORIZED DEALER or AUTHORIZED PEAVEY SERVICE CENTER and present therewith the ORIGINAL PROOF OF PURCHASE supplied to you by the AUTHORIZED PEAVEY DEALER in connection with your purchase from him of this product If the DEALER or SERVICE CENTER is unable to provide the necessary warranty service you will be directed to the nearest other PEAVEY AUTHORIZED DEALER or AUTHORIZED PEAVEY SERVICE CENTER which can provide such service OR b Ship the defective item prepaid to PEAVEY ELECTRONICS CORPORATION International Service Center 326 Hwy 11 amp 80 East Meridian MS 39301 including therewith a complete detailed description of the problem together with a legible copy of the original PROOF OF PURCHASE and a complete return address Upon Peavey s receipt of these items If the defect is remedial under these limited warranties and the other terms and conditions expressed herein have been complied with Peavey will provide the necessary warranty service to repair or replace the product and will return it FREIGHT COLLECT to you the purchaser Peavey s liability t
9. dd d mont dv UYaMOd gt sanvads dWY Y3MOd T LE d ANOHdQVAH GIW IH 03 ANVYE p J341 gt NIV9S J SEEE Kp d nrve MOT Vd niva HOIH G 13NNYVYH d Nive NU qd NIV9 HOIH L ANNVHO THIS LIMITED WARRANTY VALID ONLY WHEN PURCHASED AND REGISTERED IN THE UNITED STATES OR CANADA ALL EXPORTED PRODUCTS ARE SUBJECT TO WARRANTY AND SERVICES TO BE SPECIFIED AND PROVIDED BY THE AUTHORIZED DISTRIBUTOR FOR EACH COUNTRY Ces clauses de garantie ne sont vaiables qu aux Etats Unis et au Canada Dans tour les autres pays les clauses de garantie et de maintenance sont fixees par le distributeur national et assuree par lul selon la legislation envigueur ee Diese Garantie ist nur in den USA and Kanada gultig Alle Export Produkte sind der Garantie und dem Service des Importeurs des jewelligen Landes unterworfen ee Esta garantia es valida solamente cuando el producto es comprado en E U continentales o en Canada Todos los productos que sean comprados en el extranjero estan sujetos a las garantias y servicio que cada distribuidor autorizado determine y ofrezca en los diferentes paises PEAVEY ONE YEAR LiMITED WARRANTY REMEDY PEAVEY ELECTRONICS CORPORATION PEAVEY warrants this product EXCEPT for covers footswitches patchcords tubes and meters to be free from defects in material and workmanship for a period of one 1 year from date of purchase PROVIDED however that this limited warranty is extended only to t
10. expuesto a la lluvia o humedad este aparato Antes de usar este aparato lea m s advertencias en la gu a de operaci n Ce symbole est utilis pur indiquer l utilisateur la pr sence l int rieur de ce produit de tension non isol e dangereuse pouvant tre d intensit suffisante pour constituer un risque de choc lectrique Ce symbole est utilis pour indiquer l utilisateur qu il ou qu elle trouvera d importantes instructions sur l utilisation et l entretien service de l appareil dans la litt rature accompagnant le produit ATTENTION Risques de choc lectrique NE PAS OUVRIR ATTENTION Afin de r duire le risque de choc lectrique ne pas enlever le couvercle Il ne se trouve l int rieur aucune pi ce pouvant tre r par e par l utilisateur Confier l entretien un personnel qualifi AVERTISSEMENT Afin de pr venir les risques de d charge lectrique ou de feu n exposez pas cet appareil la pluie ou l humidit Avant d utiliser cet appareil lisez les avertissements suppl mentaires situ s dans le guide Dieses Symbol soll den Anwender vor unisolierten gef hrlichen Spannungen innerhalb des Geh uses warnen die von Ausreichender St rke sind um einen elektrischen Schlag verursachen zu k nnen Dieses Symbol soll den Benutzer auf wichtige Instruktionen in der Bedienungsanleitung aufmerksam machen die Handhabung und Wartung des Produkts betreffen VORSICHT Risiko Elektrischer Schlag Nic
11. he original retail purchaser and is subject to the conditions exclusions and limitations hereinafter set forth PEAVEY 90 DAY LIMITED WARRANTY ON TUBES AND METERS If this product contains tubes or meters Peavey warrants the tubes or meters contained in the product to be free from defects in material and workmanship for a period of ninety 90 days from date of purchase PROVIDED however that this limited warranty is extended only to the original retail purchaser and is also subject to the conditions exclusions and limitations hereinafter set forth CONDITIONS EXCLUSIONS AND LIMITATIONS OF LIMITED WARRANTIES These limited warranties shall be void and of no effect if a The first purchase of the product is for the purpose of resale or b The original retail purchase is not made from an AUTHORIZED PEAVEY DEALER or c The product has been damaged by accident or unreasonable use neglect improper service or maintenance or other causes not arising out of defects in material or workmanship or d The serial number affixed to the product is altered defaced or removed In the event of a defect in material and or workmanship covered by this limited warranty Peavey will a In the case of tubes or meters replace the defective component without charge b In other covered cases Le cases involving anything other than covers footswitches patchcords tubes or meters repair the defect in material or workmanship or replace the product at Pe
12. ht ffnen VORSICHT Um das Risiko eines elektrischen Schlages zu vermeiden nicht die Abdeckung enfernen Es befinden sich keine Teile darin die vom Anwender repariert werden k nnten Reparaturen nur von qualifiziertem Fachpersonal durchf hren lassen ACHTUNG Um einen elektrischen Schlag oder Feuergefahr zu vermeiden sollte dieses Ger t nicht dem Regen oder Feuchtigkeit ausgesetzt werden Vor Inbetriebnahme unbedingt die Bedienungsanleitung lesen ENGLISH Thank you for selecting the KB A 60 Keyboard Amplification System The KB A 60 is the perfect keyboard acoustic system for applications where excellent sound and portability in a lighter package are needed Plus with 50 watts RMS available the KB A 60 will handle just about any application Power output is tightly controlled via DDT circuitry which virtually eliminates amplifier clipping Two channels with high and low gain inputs 1 4 jacks are provided along with a four band equalization section that is global for both channels Channel one offers a gain switch that allows the input to be boosted 12dB The Send Return pre EQ jack on the front panel is available for adding external effects or processor devices to the signal chain Power Amp In and Preamp Out jacks are also provided on the front panel A master reverb control allows you to dial in ambiance as needed Rear panel features include the all important headphone jack and three position ground lift switch
13. nt etc This product should be located so that its position does not interfere with its proper ventilation It should not be placed flat against a wall or placed in a built in enclosure that will impede the flow of cooling air This product should not be placed near a source of heat such as a stove radiator or another heat producing amplifier Connect only to a power supply of the type marked on the unit adjacent to the power supply cord Never break off the ground pin on the power supply cord For more information on grounding write for our free booklet Shock Hazard and Grounding Power supply cords should always be handled carefully Never walk or place equipment on power supply cords Periodically check cords for cuts or signs of stress especially at the plug and the point where the cord exits the unit The power supply cord should be unplugged when the unit is to be unused for long periods of time If this product is to be mounted in an equipment rack rear support should be provided Metal parts can be cleaned with a damp rag The vinyl covering used on some units can be cleaned with a damp rag or an ammonia based household cleaner if necessary Disconnect unit from power supply before cleaning Care should be taken so that objects do not fall and liquids are not spilled into the unit through the ventilation holes or any other openings This unit should be checked by a qualified service technician if a The power supply cord or pl
14. o the purchaser for damages from any cause whatsoever and regardless of the form of action including negligence is limited to the actual damages up to the greater of 500 00 or an amount equal to the purchase price of the product that caused the damage or that is the subject of or is directly related to the cause of action Such purchase price will be that in effect for the specific product when the cause of action arose This limitation of liability will not apply to claims for personal injury or damage to real property or tangible personal property allegedly caused by Peavey s negligence Peavey does not assume liability for personal injury or property damage arising out of or caused by a non Peavey alteration or attachment nor does Peavey assume any responsibility for damage to interconnected non Peavey equipment that may result from the normal functioning and maintenance of the Peavey equipment UNDER NO CIRCUMSTANCES WILL PEAVEY BE LIABLE FOR ANY LOST PROFITS LOST SAVINGS ANY INCIDENTAL DAMAGES OR ANY CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PRODUCT EVEN IF PEAVEY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES THESE LIMITED WARRANTIES ARE IN LIEU OF ANY AND ALL WARRANTIES EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR USE PROVIDED HOWEVER THAT IF THE OTHER TERMS AND CONDITIONS NECESSARY TO THE EXISTENCE OF THE EXPRESSED LIMITED WARRANT
15. otected by hearing protectors while this unit is in operation SAVE THESE INSTRUCTIONS EX Features and specifications subject to change without notice Peavey Electronics Corporation 711 A Street Meridian MS 39301 U S A 601 483 5365 Fax 486 1278 91996 80300408 Printed in U S A 9 96
16. s required during the warranty period you will need this document There will be no identification card issued by Peavey Electronics Corporation 2 IMPORTANCE OF WARRANTY REGISTRATION CARDS AND NOTIFICATION OF CHANGES OF ADDRESSES a Completion and mailing of WARRANTY REGISTRATION CARDS Should notification become necessary for any condition that may require correction the REGISTRATION CARD will help ensure that you are contacted and properly notified b Notice of address changes If you move from the address shown on the WARRANTY REGISTRATION CARD you should notify Peavey of the change of address so as to facilitate your receipt of any bulletins or other forms of notification which may become necessary in connection with any condition that may require dissemination of information or correction 3 You may contact Peavey directly by telephoning 601 483 5365 IMPORTANT SAFETY INSTRUCTIONS WARNING When using electric products basic cautions should always be followed including the following l 2 3 4 5 6 10 11 12 13 14 gt 16 17 18 Read all safety and operating instructions before using this product All safety and operating instructions should be retained for future reference Obey all cautions in the operating instructions and on the back of the unit All operating instructions should be followed This product should not be used near water i e a bathtub sink swimming pool wet baseme
17. ug has been damaged b Anything has fallen or been spilled into the unit c The unit does not operate correctly d The unit has been dropped or the enclosure damaged The user should not attempt to service this equipment All service work should be done by a qualified service technician This product should be used only with a cart or stand that is recommended by Peavey Electronics Exposure to extremely high noise levels may cause a 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 sufficient time The U S Government s Occupational Safety and Health Administration OSHA has specified the following permissible noise level exposures Duration Per Day In Hours Sound Level dBA Slow Response 8 90 6 92 4 i 95 3 97 2 100 1 1 2 102 1 105 1 2 110 1 4 or less 115 According to OSHA any exposure in excess of the above permissible limits could result in some hearing loss Ear plugs or protectors in the ear canals or over the ears must be worn when operating this amplification system in order to prevent a permanent hearing loss if exposure is in excess of the limits as set forth above 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 such as this amplification system be pr
18. will illuminate indicating power is being supplied to the unit A PRODUCT OF PEAVEY ELECTRONICS CORP MERIDIAN MS MADE IN U S A EY D vue EM LG 60 Hz ES L r AS TO RAIN RISQUE DE CHOC ELEC TRIQUE NE PAS OUVRIR 150 WATTS gt K E 13 A GO o goe YB COUSTIC ANIPLIFICATIONS SYSYTEM 20V RMS BACK PANEL 17 LINE CORD 120V products only A For your safety we have incorporated a 3 wire line mains cable with proper grounding facilities It is not advisable to remove the ground pin under any circumstances If it is necessary to use the equipment without proper grounding facilities suitable grounding adapters should be used Less noise and greatly reduced shock hazard exists when the unit is operated with the proper grounded receptacles 18 GROUND SWITCH Three position rocker type switch which in most applications should be operated in its center or zero position There may be some situations when audible hum and or noise will come from the loudspeaker If this situation arises position the ground switch to either positive or negative or or until the noise is minimized NOTE Should the noise problem continue consult your Authorized Peavey Dealer the Peavey Factory or a qualified service technician THE GROUND SWITCH IS NOT FUNCTIONAL ON 220 240 VOLT MODELS 19 HEADPHONE JACK A stereo jack is provided in order to allow the signal to flow to each side of any stereo headset When a stereo headset is plugged in the
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