User Instructions PULSE SPA1300, SPA2400 Power
Contents
1. User Instructions PULSE SPA1300 SPA2400 Power Amplifiers www pulse audio co uk SAVE THESE INSTRUCTIONS Unpacking and Inspection Carefully unpack the unit If it appears damaged in any way return it to the retailer it was purchased from in its original packaging PULSE cannot accept any responsibility for damage arising from the use of non approved packaging INTRODUCTION The PULSE series of amplifiers are fully featured rack mount professional power amps designed to provide high quality reliable performance for all professional applications from live bands to club installations MAIN FEATURES 2 Channel high power stereo amplifiers with SMT technology which give them superior sound and greater reliability Feature stereo bridge mode softstart short circuit protection and limiter The amplifiers are 19 rack mountable amp have removable rubber feet for both mobile amp fixed use e Available in 1300W amp 2400W e _ Detented rotary volume controls Q Protection clip signal bridge amp power LED indicators e Stereo Bridge mode Short circuit and thermal protection e Selectable sensitivity Ground Lift switch e Fan cooled Rugged steel enclosures with front amp rear mounting ears e Inputs Balanced XLR amp balanced 6 35mm 14 jacks e Outputs 3x Speakon 1x bridge mode amp 2 pair binding posts Technical Data Model SPA1300 SPA2400 Power Output RMS 40 2x 650W 2x 1200W Power Out2. each channel output In STEREO mode the amplifier will operate as two independent channels both Channel A and Channel B Sensitivity Switch Selectable input sensitivity allows the user to match the amplifiers input gain to the output of their mixer or signal processing equipment IEC Mains Inlet Use only the supplied power cord or suitable replacement with the correct fuse Channel B speaker output via SPEAKON socket Use 1 1 terminals only minimum speaker impedance 40 Binding post outputs for certain installations it may be better suited to use the binding post outputs As with all speaker wiring care must be taken to ensure no wires can present a short cirtcuit to the amplifier A Speaker wires carry high voltages care should be taken to ensure no bare wires can be touched as this may result in electric shock 10 Channel A speaker output via SPEAKON socket Use 1 1 terminals only minimum speaker impedance 40 11 Bridge Mono speaker output via SPEAKON socket Use 1 1 terminals only minimum speaker impedance 8Q Compliance This equipment is designed to comply with the following standards BS EN55103 1 1996 BS EN55103 2 1997 BS EN60065 2002 C pzd n When this product reaches the end of its life do not dispose with household waste See www recycle more co uk for details of how to dispose of PULSE products in an environmentally sound fashion or contact PULSE directly via www pulse audio co uk Ampli
3. from heat sources such as radiators heat registers or other products that produce heat 7 The product should be connected to a power supply only of the type described on the operating instructions or as marked on the product Always ensure that a good quality mains lead is used applicable for your country The following wiring convention is used in all product mains leads and must be strictly observed Green amp Yellow Earth Brown Live Blue Neutral IMPORTANT THIS UNIT MUST BE EARTHED 8 If the mains fuse need replacing DISCONNECT THE PRODUCT FROM THE MAINS SUPPLY The fuse is above the mains IEC socket and must be replaced with a fuse of the type and rating stated on the rear panel If a replacement fuse fails immediately contact your local service agent DO NOT replace with a higher value 9 The power supply cord of the product should be unplugged from the outlet when left unused for a long period of time When unplugging the power supply cord DO NOT pull on the cord but grasp it by the plug 10 Ensure the mains isolation switch is readily accessible when the product is in use 11 Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through openings 12 The product should be serviced by qualified service personnel when A The power supply cord or the plug has been damaged or B Object have fallen or liquid has been spilled into the product or C The product has been expose
4. is being Use good quality shielded signal cables and audible picked up in the signal path ensure they are kept away from AC power cables and other AC powered equipment There is an earth problem Use a mains tester to ensure the AC outlet has a good earth Power connected equipment e g mixer and amp from the same AC outlet where possible Distortion is Excessive signal level Use the LED to ensure the input level to audible somewhere in signal chain the amp is at the correct level Check levels at mixer or source Damaged or poor quality Use only high quality cables of the cables appropriate type protect them from damage and regularly check connections or Sound cuts out Damaged or poor quality Check all cables and connections refer to or is intermittent cables connectors not properly temp warning light inserted amp overheating connectors above sections regarding distortion and Service All PULSE products are thoroughly examined and tested before leaving the factory and if used correctly will give many years of excellent service However if a problem arises proceed as follows A Contact the retailer from whom the unit was purchased and describe the symptoms of the fault B If the retailer cannot help return the equipment to the national distributor for your country Use the original packaging to protect the product from damage Include a note with the equipment stating your name and address details of
5. recording media tape mini disc hard drive etc Power amplifiers produce an electromagnetic field which could affect stored files Wiring Conventions in PULSE Power Amplifiers Phono RCA unbalanced Tip Signal Positive Sleeve Signal Ground XLR balanced Pin1 Signal Ground Pin2 Signal Positive Pin3 Signal Negative Speakon 1 Speaker Positive 1 Speaker Negative Ao g ee ANN ms B 6 AA i EZ 1 2 3 4 5 6 7 8 9 i O s lo ce co C Air ventilation fans DO NOT BLOCK Balanced 6 35mm Jack signal link output Balanced XLR signal input Ground Lift Switch some equipment may present a mains hum buzz this switch will remove the signal ground and reduce the effect of the mains hum Mode selection switch this selects either BRIDGE MONO PARALLEL or STEREO operation In BRIDGE MONO the amplifier works as one signal channel ideal for driving higher power speakers This must be used in conjunction with the BRIDGE MONO speaker output only one signal input is required into Channel A this must be mirrored on the front panel controls turn Channel B to the lowest setting and only use Channel A to control the amplifier In PARALLEL mode the amplifier works as two independent channels but couples the input signal together to allow the use of one input signal while retaining independent volume controls for
6. d to rain or D The product does not appear to operate normally or exhibits a marked change in performance or E The product has been dropped or the enclosure damaged 14 DO NOT attempt to service the product beyond that described in the user maintenance instructions All other servicing should be referred to qualified service personnel 15 WARNING DO NOT place objects on the product s power cord or place it in a position where anyone could trip over walk on or roll anything over it DO NOT allow the product to rest on or to be installed over power cords of any type Improper installations of this type create the possibility of fire hazard and or personal injury IF YOUR AMP STOPS WORKING READ THE MANUAL Turn volume to zero on both channels Check all connections input and output at both ends of cable Check status lights on front panel Disconnect from mains before changing fuse Replace fuse only with same type and rating If problems persist contact a qualified service agent FAULT PROBLEM SOLUTIONS No sound AC supply not connected or Check AC connections and switches Power LED off switched off Blown fuse Check and replace fuses at plug and IEC socket USE ONLY SAME TYPE AND RATING No sound Check input is connected and LED Power LED on are showing adequate signal present Speakers faulty or not Check speakers and speaker connections connected Hum or buzz is Noise from AC supply
7. fier care bullet points DO 1 Read the manual understand the operation limitations and safety instructions before using the product 2 Use good quality cables of the correct type in the correct sockets Speaker cables should be manufactured from 1 5mm or larger cable Keep speaker lengths as short as possible to minimise signal loss Listen to your sound if it s distorted reduce gain volume or both Use adequate amplification and speakers for your needs Checks the mains supply in the venue use a mains checker Ensure your amp speakers and all cables are free from damage Protect your amp from moisture smoke fog machines and glitter cannons Make and check all connections before you switch on ONDA w Set amp volume to 0 at switch on Slowly turn up checking all speakers are working If there are problems turn the amp off and resolve them FOLLOW THE SIGNAL PATH Source output to mixer preamp input shielded signal cable s Mixer preamp output to power amp input shielded signal cable Power amp output to speaker input unshielded speaker cable DO NOT Prevent airflow to your amp ventilation is required front and rear 2 Daisy chain speakers Run a maximum of 1x4Q speaker or 2x8Q speaker per amplifier channel 3 Run amplifiers with the clip or limit lights on constantly 4 Send a clipped or overdriven signal from your mixer or source to the amp 5 Store your amp or speakers in a da
8. mp environment 6 Overload mains sockets Never run more than 3000W of amplifiers lights or other electronic equipment from one mains outlet socket z Connect 2 amp channels or 2 different amps to one speaker Short circuit or cross connect an amps inputs or outputs The front panel has both SIGNAL and CLIP LED indicators if the CLIP LED s illuminate reduce the input signal to the amplifier immediately A clipped signal within the audio signal chain can damage both speakers and amplifiers IMPORTANT SAFETY INSTRUCTIONS INSTRUCTIONS PERTAINING TO A RISK OF FIRE ELECTRIC SHOCK OR INJURY TO PERSONS WARNING Using electric product basic precautions should always be followed including the following 1 Read all the SAFETY INSTRUCTIONS before using the product 2 To reduce the risk of injury close supervision is necessary when the product is used near children 3 Do not use this product near water for example near a bathtub washbowl kitchen sink in a wet basement or near a swimming pool or the like 4 This product is capable of producing sound levels that could cause permanent hearing loss DO NOT operate for a long period of time at high volume or at a level that is uncomfortable If you experience any hearing loss or ringing in the ears you should consult an audiologist 5 This product should be located so that its location or position does not interfere with its proper ventilation 6 This product should be located away
9. put RMS 8Q 2x 400W 2x 800W Power Output 8Q Bridged 1300W 2400W Frequency Response 10Hz 50KHz Input Sensitivity 0 77V 25dB 1 4V Damping Factor F 1kHz 8Q gt 500 gt 500 Slew Rate Internal 60V uS 60V uS Signal to Noise Ratio gt 90dB gt 100dB Dimensions WxHxD 482x88x380mm Weight 22kg 26kg INSTALLATION GUIDELINES Do not use these amplifiers in damp or high humidity environments Do not use outdoors or anywhere where liquids could fall or splash onto the amplifier Ensure the amp is adequately ventilated with free airflow to the front and rear panels Keep away from other heat sources If the amps are mounted in a rack with other amps ensure there is adequate cool air flow front and rear Note that air is drawn in through the back panel and exhausted through the front panel NEVER cover the amplifiers as they may overheat PULSE power amplifiers are designed to fit standard 19 racks with a 2U height and 17 depth We recommend the use of rear rack supports especially if the rack is to be mobile Use shakeproof washers or threadlock adhesive to prevent mounting bolts becoming loose in transit e Ensure that the AC power supply is correct for your amplifier The required AC supply is stated on the rear panel next to the AC power input Ensure that you use the correct type of mains lead for your equipment and country This must be free from damage and easily accessible during use Keep away from magnetic
10. the problem date code and date and place of purchase The unit does not contain any user serviceable parts For details of spares accessories and other products contact you local retailer In the event of any difficulty contact PULSE directly via www pulse audio co uk
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