Hafler TRM6.1CE User Manual

INTRODUCTION– 1 –Thank you and congratulations on your purchase of the HAFLER TRM6.1 reference monitor, the world's finest brand inprofessional a

Amplifie– 2 –MEHSA(Maximum Efficiency HeatSink Application) MEHSA is a proprietary process that yields up to 5 times better heattransfer than traditio

– 3 –Wave GuideThe wave guide is a proprietary axis-symmetrical form of horn mounted to the tweeter to increase efficiency. Thewave guide improves the

PowerSwitchFront Panel View– 4 –Rear Panel ViewWooferTweeterRubber PadStatus LEDWave GuideHeatsinkAC LineInputAC LineFuseBalancedInputUnbalancedInp

LOCATIONThe location of your reference monitors in addition to the acoustics of the listening room will influence the system frequencyresponse. In the

XLR Balanced InputCheck output from source for proper signal polarityPin 1 = GNDPin 2 = (+)Pin 3 = (–)INPUT FROMSOURCEXLR Unbalanced InputConnect (–)

SCHEMATIC DIAGRAMNOTES: Unless specified otherwise1. All resistors in ohms.2. All capacitors in microfarads.3. Channel 1 only shown.– 7 –

Qualified Service Personnel Only–8–

SCHEMATIC DIAGRAMNOTES: Unless specified otherwise1. All resistors in ohms.2. All capacitors in microfarads.3. Channel 1 only shown.– 9 –

Qualified Service Personnel Only–10–

Declaration of ConformityApplication of Council Directive: 73/23/EEC (low voltage directive)Standard(s) to which Conformity is Declared: EN55103-1EN

-11-SCHEMATIC DiagramNOTES: Unless specified otherwise1. All resistors in ohms.2. All capacitors in microfarads.3. Channel 1 only shown.Qualified Serv

PC BOARD LAYOUTQualified Service Personnel Only– 12 –

INPUT SENSITIVITYThe Input Sensitivity adjustment is used to match the monitor with signal levels from a variety of mixing consoles. TheInput Sensitiv

BASS SHELVINGBass Shelving is used to match the low frequency response of the monitor to the acoustic environment. Bass Shelvinguses DIP switches to c

POWER SWITCHThe POWER switch is located on the front panel. The LED will illuminate GREEN, indicating the respective amplifiers are on.It is possible

– 16 –PARTS LISTDESIGNATOR VALUE PART #ALL RESISTORS IN OHMSR1 RES 1.0K OHM 1/10W 1% RM/10-1001BR10 RES 47K OHM 1/10W 5% RM/10-473BR102 RES 6.8K OHM 1

– 17 –R70 RES 280 OHM 1/10W 1% RM/10-2800BR71 RES 10 OHM 1/10W 5% RM/10-100BR72 RES 100 OHM 1/4W 5% RM/4-101CR73 RES 2.21K OHM 1/10W 1% RM/10-2211BR74

Components marked with this symbol are safety criticaland should only be replaced with identical components.Los componentes marcados con el simbolo so

TRM6.1 FUNCTIONAL BLOCK DIAGRAM– 19 –

CIRCUIT OPERATIONtrans•ana ImplementationThe transistor Q24 is configured to operate as a switch that controls the constant current source Q21 of the

TRM6.1Free Field Frequency Response 55Hz–21kHz, ±2dBPeak Acoustic Output ≥119dB (per pair w/music @ 1m)Total Harmonic Distortion (THD) <0.5%, 150H

The input signal is connected to the amplifierthrough the balanced XLR connector J1, or theunbalanced RCA connector J2. Balanced/unbal-anced switch DS

Woofer CrossoverThe input signal at U4A pin 1 connects to the 3200Hz 2nd order low-pass filter at U112B. Approximately 2dB ofadditional gain can be ad

– 23 –Clipping IndicatorThe CLIP indicators are driven by the comparator U5A and U5D. The voltage divider R56, R57, and R51, R61establishes the refer

– 24 –TWEETER REPLACEMENTQualified Service Personnel Only1. Remove (4) screws from wave guide using a 3/32" Allen Wrench2. Remove wave guide asse

AMPLIFIER REPLACEMENT– 25 –Qualified Service Personnel Only1. Remove (2) screws from back using a 3/32" Allen Wrench (FIG. 5)2. Disconnect PCB m

SERVICE POLICY AND LIMITED WARRANTY– 26 –Rockford Corporation (Hafler Division) offers a limited warranty on Hafler products on the following terms:•

LIT 11382 11/00 E.W.R.HAFLERA DIVISION OFROCKFORD CORPORATION546 SOUTH ROCKFORD DRIVETEMPE, ARIZONA 85281 U.S.A.1.866.GOHAFLER 480.967.3565WWW.HAFLER

NOTICE - IMPORTANT SAFETY INFORMATION1. READ INSTRUCTIONSAll the safety and operating instructions of your Hafler equipmentshould be read before power

– iii –ADVERTENCIA – INFORMACION DE SEGURIDAD IMPORTANTE1. LEA LAS INSTRUCCIONESTodas las instrucciones de seguidad y operación de su equipoHafler, de

– iv –ATTENTION: INFORMATIONS IMPORTANTES DE SÉCURITÉ1. LIRE LES INSTRUCTIONSLe mode d'emploi et les mesures de sécurité de votreéquipement Hafle

ACHTUNG – WICHTIGE SICHERHEITS – INFORMATIONEN1. INSTRUKTIONEN LESENAlle Sicherheits- und Operationshinweise Ihres Hafler Equipmentssollten vor der In

– vi –NOTARE – IMPORTANTI INFORMAZIONI SULLA SICUREZZA1. LEGGETE LE ISTRUZIONITutte le istruzioni riguardanti la sicurezza ed il funzionamentodevono e

TABLE OF CONTENTSPERFORMANCE SPECIFICATIONS ..........................