Instruction/ maintenance manual of the product P1500 Hafler
Go to page of 28
® MADE USA IN THE PROFESSIONAL POWER AMPLIFIER P1500 / P3000 Installation & Operation PROFESSIONAL POWER AMPL nova trans ®.
Declaration of Conformity Application of Council Directive: 73 / 23 / EEC (Low Voltage Directive) 89 / 336 / EEC (EMC Directive) Standard(s) to which Conformity is Declared: EN55103-1 EN55103-2 EN6006.
P ERFORMANCE S PECIFICATIONS P1500/P3000 Frequency Response: 20Hz to 20kHz, ± 0.1dB 0.15Hz to 300kHz, +0/–3dB Signal-to-Noise: >100dB “A” Weighted Distortion: <0.2% 20-20kHz, typically .01% at 1kHz @ rated power into 8 Ω Slew Rate: 100 V/ µ s CMRR: 75dB at 1kHz Input Impedance: 47k ohms per phase Gain: +14dB min.
NOTICE - IMPORTANT SAFETY INFORMATION CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN ! ! W ARNING: T O PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. 1. READ INSTRUCTIONS All the safety and operating instructions of your Hafler equipment should be read before power is applied to the equipment.
– iii – ADVERTENCIA – INFORMACION DE SEGURIDAD IMPORTANTE 1. LEA LAS INSTRUCCIONES Todas las instrucciones de seguidad y operación de su equipo Hafler, deben ser leídas antes de que el equipo sea conectado dléctricamente.
– iv – ATTENTION: INFORMATIONS IMPORTANTES DE SÉCURITÉ 1. LIRE LES INSTRUCTIONS Le mode d'emploi et les mesures de sécurité de votre équipement Hafler devraient être consultés avant sa mise en marche.
ACHTUNG – WICHTIGE SICHERHEITS – INFORMATIONEN 1. INSTSRUKTIONEN LESEN Alle Sicherheits- und Operationshinweise Ihres Hafler Equipments sollten vor der Inbetriebnahme gelesen werden. 2. BETRIEBSANLEITUNG AUFBEWAHREN Bewahren Sie die Bedienungsanleitung sorgfältig auf, damit Sie in dieser auch in Zukunft nachschlagen können.
– vi – NOTARE – IMPORTANTI INFORMAZIONI SULLA SICUREZZA 1. LEGGETE LE ISTRUZIONI Tutte le istruzioni riguardanti la sicurezza ed il funzionamento devono essere lette prima di applicare tensione all'apparato.
T ABLE OF C ONTENTS PERFORMANCE SPECIFICATIONS ............................................................................................................................... i SAFETY PRECAUTIONS .......................................................
I NTRODUCTION – 1 – The Hafler P1500 and P3000 are two channel professional power amplifiers. Passive cooling with large heatsinks is used for low mechanical noise. Our patented trans• nova circuit topology and MOSFET output stage ensures trouble free, long term operation and is backed by our five year warranty.
– 2 – Fr ont Panel V i ew Rear Panel V i ew short thermal clipping signal channel 1 – 15 – 1 0dB – 10 – 6 – 3 channel 2 – 15 – 1 0dB – 10 – 6 – 3 nova nova trans P3000 signal clipping thermal short • Use CH 1 Input ONLY • Set CH 2 Gain to Max • Set Output Level with CH 1 Gain Control A Division of Rockford Corp.
LOCATION The P1500 and P3000 power transformer can generate a substantial magnetic field, so caution should be exercised in the placement of low level components such as a tape deck, mixer or mic preamp to avoid inducing noise in the low level circuitry.
XLR Balanced Input Check output of source unit for proper signal polarity 1/4" TRS Balanced Input Check output of source unit for proper signal polarity Pin 1 = GND Pin 2 = (+) Pin 3 = (–) INPU.
Removable Center Spread S CHEMATIC D IAGRAM P3000 shown. Ground switch in Chassis position, Mono switch in 2-Channel position. P1500 differences shown on parts list.
Removable Center Spread.
– 7 – OUTPUT CONNECTIONS The speaker output connectors are dual binding posts. These binding posts will directly accept 12 AWG wire or banana plugs and are spaced on 3/4" centers to accept dual banana plugs. MONOPHONIC USE For systems with high power requirements, the amplifiers can be configured for single channel bridged mono operation.
SHORT CIRCUIT PROTECTION Due to the self-protecting properties of the output power MOSFETs, there is no need for sonically degrading voltage and current limiting circuits. To protect the amplifier from problems which may occur in the speaker line there is an overload detection circuit.
– 9 – PC B OARD L AYOUT revised 12/12/96 AR TWORK COMPONENT SIDE CH 1 M.ALBERS PC-0812-H ROCKFORD CORP R165 F3 F2 D2 R60 C10 C2 J7 J6 R5 C33 R64 R63 R17 C31 C30 J5 J4 CR4 CR3 CR2 CR1 D1 R159 R164 .
– 10 – P ARTS L IST DESIGNATOR VALUE PART # ALL RESISTORS IN OHMS, 1/4W R1 56.2k RMP/4-5622 R2 1k RM/4-102C R3 47k RM/4-473C R4 47k RM/4-473C R5 4.7k RM/4-472C R6 1.07k RM/4-1071C R7 909 RM/4-9090C R8 200, Trim Pot RVH-201 R9 1k RM/4-102C R10 28k RMP/4-2802 R11 10M RMP/4-106C R12 28k RM/4-2802C R13 470k RM/4-474C R14 16 RM/4-160C R15 3.
DESIGNATOR VALUE PART # CR14 BAV99L Dual Diode SS-260SM CR15 BAV99L Dual Diode SS-260SM U1 TL072CD Dual Opamp SS-143SM U2 TL072CD Dual Opamp SS-143SM U4 LM339 Comparator SS-730SM U5 LM339 Comparator S.
T ECHNICAL R EFERENCE FIELD SERVICE CONSIDERATIONS A primary focus during the design and development of the P1500 and P3000 was to ensure the dependability of the amplifiers.
The transistor Q1 is configured to operate as a switch which controls the current source, Q103, of the input differential amp, Q6 and Q7. When Q1 is off, the emitter voltage is low turning off Q103. Timing of the Soft Start function is controlled by the charging time of C29.
Output Short Protection The Short detector monitors the Drive Signal and Output Signal levels and shuts down that channel when a shorted output condition is detected.
CLIP Indicator CR3 LED Driver U5C Clipping Detector U5A Drive Signal Clipping Indicator The CLIP indicator is driven by the buffer U5C which is controlled by the comparator U5A. The voltage divider R56 and R57 establishes the reference voltage for the Clipping detector at pin 7 of U5A.
amplifier. For a temporary adjustment when a signal generator and voltmeter are not available, use an FM tuner and tune it to an unused station as your signal source, and connect the output to the amplifier as described above. Connect the amplifier output to a small full range speaker.
– 17 – S ERVICE P OLICY AND L IMITED W ARRANTY Rockford Corporation (Hafler Division) offers a limited warranty on Hafler products on the following terms: • Length of Warranty 5 years on P1000, .
N OTES.
MAN-1461-C 4/99 E.W.R. ® HAFLER A DIVISION OF ROCKFORD CORPROATION 546 SOUTH ROCKFORD DRIVE TEMPE, ARIZONA 85281 U.S.A. 480-967-3565 / 1-888-HAFLER1 WWW.
An important point after buying a device Hafler P1500 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Hafler P1500 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Hafler P1500 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Hafler P1500 you will learn all the available features of the product, as well as information on its operation. The information that you get Hafler P1500 will certainly help you make a decision on the purchase.
If you already are a holder of Hafler P1500, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Hafler P1500.
However, one of the most important roles played by the user manual is to help in solving problems with Hafler P1500. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Hafler P1500 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
