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Hafler P1500 manual

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Table of contents for the manual

  • Page 1

    ® MADE USA IN THE PROFESSIONAL POWER AMPLIFIER P1500 / P3000 Installation & Operation PROFESSIONAL POWER AMPL nova trans ®[...]

  • Page 2

    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 EN60065 Manufacturer ’ s Name: Hafler Manufacturer ’ s Address: 546 South Rockford Drive, Tempe, Arizona 85281 Importer ’ s Name: Importer ’ s Addre[...]

  • Page 3

    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. +29dB max. P1500 Po[...]

  • Page 4

    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. 2. RETAIN OWNER'S MAN[...]

  • Page 5

    – 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. 2. CONSERVE EL MANUAL DEL PROPIETARIO Estas instrucciones de seguridad y operación, deben ser conservadas para futuras[...]

  • Page 6

    – 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. 2. CONSERVER LE GUIDE DE L'UTILISATEUR Le mode e'emploi et les mesures de sécurité devraient être conservés pour des r?[...]

  • Page 7

    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. 3. WARNUNGEN BEACH[...]

  • Page 8

    – 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. 2. CONSERVATE IL MANUALE Queste istruzioni riguardanti la sicurezza ed il funzionamento devono essere conservate come riferimento f[...]

  • Page 9

    T ABLE OF C ONTENTS PERFORMANCE SPECIFICATIONS ............................................................................................................................... i SAFETY PRECAUTIONS ............................................................................................................................... ................ ii INTROD[...]

  • Page 10

    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. This manual contains informati[...]

  • Page 11

    – 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. T empe[...]

  • Page 12

    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. The amplifiers can also produce considerable heat in normal operation so the primary considerat[...]

  • Page 13

    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 = (–) INPUT FROM SOURCE Tip = (+) Ring = (–) Sleeve = GND INPUT FROM SOURCE Many popular mixers use unbalanced outputs and can be used with the Hafler amplifi[...]

  • Page 14

    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.[...]

  • Page 15

    Removable Center Spread[...]

  • Page 16

    – 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. [...]

  • Page 17

    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. In the event of a short in the speaker load or cables, the spea[...]

  • Page 18

    – 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 C116 R141 R140 R139 R138 R133 R131 R130 R129 R127 R124 R123 R136 R135 R134 R128 R62 R61 C28 R24 R59 R58 R57 R56 R55 R54 R53 R52 R51 R50 R49 R48 R47 R4[...]

  • Page 19

    – 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 3.3M RM/4-[...]

  • Page 20

    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 SS-730SM Power Switch SWH-1009 IEC Connector CC-0852 IEC Line Cord FAH-146 Dual Binding Post CC-0867 P3000 Transformer TT-1531 F2 Fuse, 1A Fast FS-1592[...]

  • Page 21

    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 use of lateral MOSFET output transistors and the low voltage trans• nova input stage combined with careful component selection for the circuit assembly made the reliabil[...]

  • Page 22

    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. Operation of Q1 is controlled by the THERMAL and SHORT protection circuits[...]

  • Page 23

    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. Recovering from the Short protection requires turning the amplifier off to reset. The comparator U4B monitors the Drive Signal and goes low when the drive level is sufficient to clip [...]

  • Page 24

    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. The reference voltage scales the output of U5A to indicate when[...]

  • Page 25

    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. Turn the amplifier level controls full down and turn the amplif[...]

  • Page 26

    – 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, P1500, P3000, P4000 7 years on P9505 and P7000 90 days on all B-Stock (receipts are required) • What is Covered This warranty applies only to produc[...]

  • Page 27

    N OTES[...]

  • Page 28

    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.HAFLER.COM[...]