Hafler TRM10.1 Installation & Operation Manual
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Hafler TRM10.1 Installation & Operation Manual

Hafler TRM10.1 Installation & Operation Manual

Subwoofer monitoring system
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Summary of Contents for Hafler TRM10.1

  • Page 2: Declaration Of Conformity

    Serial No. ______________________________Year of Mfg. I, the undersigned, hereby declare that the equipment specified above conforms to the above Directive(s) and Standard(s) Place: Hafler Date: 12/11/00 73/23/EEC (low voltage directive) EN55013-1 EN55103-2 EN60065 (safety) TRM10.1 TRM12.1 James C. Strickland, VP Engineering 2000 2001 2002...
  • Page 3 NOTICE - IMPORTANT SAFETY INFORMATION READ INSTRUCTIONS All the safety and operating instructions of your Hafler equipment should be read before power is applied to the equipment. RETAIN OWNER'S MANUAL These safety and operating instructions should be retained for future reference.
  • Page 4 ADVERTENCIA – INFORMACION DE SEGURIDAD IMPORTANTE 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. CONSERVE EL MANUAL DEL PROPIETARIO Estas instrucciones de seguridad y operación, deben ser conser- vadas para futuras referencias.
  • Page 5 à éviter toute pénetration dans l'enceinte du matériel. 14. DÉGÂT NÉCESSITANT UNE RÉVISION Le matériel Hafler devrait être révisé par des personnes qual- ifées de service après-vente, lorsque: A. Les fiches ou la prise de courant ont été endommagé, ou: B.
  • Page 6 ACHTUNG – WICHTIGE SICHERHEITS – INFORMATIONEN INSTRUKTIONEN LESEN Alle Sicherheits- und Operationshinweise Ihres Hafler Equipments sollten vor der Inbetriebnahme gelesen werden. BETRIEBSANLEITUNG AUFBEWAHREN Bewahren Sie die Bedienungsanleitung sorgfältig auf, damit Sie in dieser auch in Zukunft nachschlagen können. WARNUNGEN BEACHTEN Alle Warnungen des Gerätes und der Bedienungsanleitung sind...
  • Page 7 Si deve prestar attenzione che oggetti e liquidi, come fluidi deter- genti e bibite, non vengano versati all'interno dell'apparato. 14. RIPARAZIONI Gli apparati Hafler devono essere riparati da personale qualifica- to quando: A. Il cavo di alimentazione o la spina sono danneggiati B.
  • Page 8 102 oz. Magnet 2.0ft 3 (56 Liter) Vented Down Firing 18.25"(H) x 19.50"(W) x 19.375"(D) (46.35cm x 49.53cm x 49.21cm) 94 lbs. (42kg) Frequency Response @ 2m* TRM10.1 Dimensions H = 14.75" D = 16" 16" TRM12.1 Dimensions H = 18.25"...

  • Page 9: Table Of Contents

    Break-In and Warm Up ...13 Cleaning and Maintenance ...13 SERVICE REFERENCE PC Board Layout ...14 Parts List ...15 TRM10.1/TRM12.1 Functional Block Diagrams ...17 Input Circuit ...17 Mono Sum/Gain Circuit ...17 Phase Control Circuit ...17 Buffer/Gain Trim Circuit ...17 Filter Circuits ...17 Class-G trans•ana Amplifier ...18...

  • Page 10: Introduction

    Phase Warp that allows the phase of the signal to be adjusted at 90˚, 180˚, or 270˚ increments. The TRM10.1 features a 10" (254mm) low frequency transducer with a cone made from cellulose fibre. A santoprene rubber surround that is immune to temperature fluctuations controls woofer damping and reduces 2nd harmonic dis- tortions for a very wide and flat frequency response.
  • Page 11 THE RESULT: An extended frequency band width accurately supplied to the output stages of the amplifier. MOSFET Devices HAFLER is one of the few manufacturers in the sound community to utilize MOSFET devices in both the power supply and output stages. MOSFET (Metal Oxide Semiconductor Field Effect Transistor) devices offer several important inherent advantages over the 30-year-old technology of bi-polar design.

  • Page 12: Subsonic Filter

    Kapton® formers. Although this material is very resistant to heat, any heat generated by the transducer is "trapped" on the copper voice coil windings. HAFLER uses aluminum voice coil formers because alu- minum acts like a "heat sink" and helps dissipate heat away from the voice coil. This allows winding high temperature copper wire in multiple layers for improved efficiency.

  • Page 13: Front & Rear Panel Views

    TRM10.1 Front Panel View 10" Subwoofer (located inside) Bal/Unbal Input Switch Rear Panel View Gain XLR Input RCA Input Low-Pass Crossover Phase Control TRM12.1 Front Panel View Rear Panel View Port in Rear Heatsink AC Line Input AC Line Fuse Feet 12"...

  • Page 14: Schematic Diagrams

    CHEMATIC IAGRAM NOTES: Unless specified otherwise 1. All resistors in ohms. 2. All capacitors in microfarads. – 5 –...
  • Page 15 Qualified Service Personnel Only Input Circuit / Power Supply Schematic – 6 –...
  • Page 16 CHEMATIC IAGRAM NOTES: Unless specified otherwise 1. All resistors in ohms. 2. All capacitors in microfarads. – 7 –...
  • Page 17 Qualified Service Personnel Only Output Circuitry – 8 –...

  • Page 18: Installation

    In this type of anechoic environment, the subwoofer will tend to experience minimal "Boundary Loading" effects. For studio installations, HAFLER recommends experimenting with different locations within the studio that minimizes rattles or vibration of other equipment. You can fire the subwoofer downward (FIG. 1) or fire the subwoofer directly facing for- ward (FIG.

  • Page 19: Input Switch

    INPUT SWITCH The unbalanced input uses a conventional RCA phone jack. Move the input switch to RCA UNBALANCED to use this jack. The balanced input jack is an XLR plug. The XLR jack is connected according to the IEC and AES standard. Move the input switch to XLR BALANCED to use this jack.

  • Page 20: Operation

    INPUT SENSITIVITY (GAIN) The Input Sensitivity is used to match the TRM10.1/TRM12.1 with signal levels from a variety of mixing consoles. The Input Sensitivity uses a variable potentiometer to match input levels over a 30dB range and is variable from 0dBu to -30dBu. The numbers listed on the back panel indicate the input in dBu required to produce an output of 100dB SPL @ 1 meter.

  • Page 21: Phase Control

    PHASE CONTROL The Phase Control switches allow the TRM10.1/TRM12.1 to be acoustically aligned with other speakers in your sys- tem. 0˚, -270˚, -180˚, or -90˚ of phase shift at 80Hz can be selected using DIP switches 2, 3, and 4. For 0˚ of phase shift, leave all three switches in the OFF (up) position.

  • Page 22: Ac Line

    AC LINE The TRM10.1 /TRM12.1 operate from a 115 VAC/60Hz power line. The TRM10.1SCE/TRM12.1SCE operate from a 230 VAC 50/60Hz power line. Connection is made by a 16-gauge, IEC Type 320, grounded line cord. For safety considerations only a properly grounded (earthed) receptacle should be used. If a grounded circuit is not available, do not break off the ground pin;...

  • Page 23: Service Reference Pc Board Layout

    Qualified Service Personnel Only...

  • Page 24: Parts List

    ARTS DESIGNATOR VALUE ALL RESISTORS IN OHMS 1.0K OHM 1/10W 1% 47K OHM 1/10W 5% R100 10K OHM 1/10W 1% R101 9.09KOHM 1/10W 1% R102 1M OHM 1/10W 5% R103 10K OHM 1/10W 1% R104 13K OHM 1/10W 5% R107 10K OHM 1/10W 1% R109 14K OHM 1/10W 1%...
  • Page 25 .47UF 50V .1UF 50V 10UF 16V CER-106SM .1UF 50V CYV-104 10UF 16V CER-106SM .1UF 50V CDS-104CBBB CAP 3300UF 63V CERS-338E 100PF 50V CDS-101CAAA 47PF 100V CDS-470DAAA CAP 3300UF 35V CERS-338B .1UF 50V CYV-104 CAP 3300UF 63V CERS-338E 47PF 100V CDS-470DAAA 47PF 100V CDS-470DAAA .1UF 50V...

  • Page 26: Trm10.1/Trm12.1 Functional Block Diagrams

    TRM10.1/12.1 F UNCTIONAL LOCK IAGRAMS Qualified Service Personnel Only INPUT CIRCUIT The stereo input signals are connected to the amplifier through balanced XLR connectors, or unbalanced RCA con- nector TP2. Unbalanced operation can be selected with switch DS1, which grounds the RCA shell through R37.

  • Page 27: Class-G Trans•Ana Amplifier

    Qualified Service Personnel Only CLASS-G TRANS•ANA AMPLIFIER The transistor Q8 is configured as a switch, which controls the current source Q5, of the input differential amplifier Q11 and Q12. If the power On/Off, Signal Sensing, and Thermal Protection circuits have all stopped pulling to -15V, the turn-on process begins, and the voltage at the emitter of O8 slowly ramps up to zero Volts...

  • Page 28: Power On/Off Circuit

    Qualified Service Personnel Only POWER ON/OFF CIRCUIT The power on/off circuit is designed to turn the amplifier on slowly and off quickly. When AC power is initially applied to the subwoofer, AC signals on the secondary of the power transformer are negatively rectified through CR2 and CR7 into peak holding capacitor C31, and divided by R19 and R20.

  • Page 29: Circuit Calibration

    Disconnect the power to the amplifier before removing the heatsink assembly from the speaker cabinet. To adjust the bias, remove the jumper TP1 and connect an ammeter across the exposed pins. Adjust trimpot R9 fully counter- clockwise before reapplying power to the unit.

  • Page 30: Amplifier Replacement

    AMPLIFIER REPLACEMENT 1. Remove (10) screws from amplifier using a Phillips screwdriver 2. Remove amplifier from enclosure 3. Disconnect the (2) speaker wires (FIG. 1) 4. Disconnect the transformer primary molex (FIG. 1) 5. Disconnect the transformer secondary molex (FIG. 1) 6.

  • Page 31: Warranty

    Some states do not allow limitations on the length of an implied warranty, so this limitation may not apply. No person is authorized to assume for Hafler any other liability in con- nection with the sale of the product.
  • Page 32 HAFLER A DIVISION OF ROCKFORD CORPORATION 546 SOUTH ROCKFORD DRIVE TEMPE, ARIZONA 85281 U.S.A. 1.866.GOHAFLER 480.967.3565 WWW.HAFLER.COM MADE IN THE USA This product is designed, developed and assembled in the USA by a dedicated group of American workers. The majority of the components used in the con- struction of this product are produced by American companies.

This manual is also suitable for:

Trm12.1

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