Hafler 1600 Owner's Manual

Contents

Hafler 1600 Owner's Manual Manual pdf 10 page image

TA 1600 - SHORT CIRCUIT PROTECTIONThe TA1600 amplifier circuit has no need for sonically degrading voltage and current limiting circuits. To protect the amplifi-er 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 speaker detection circuit will shut down that channel and lightthe red front panel indicator. If this happens, correct the fault and turn the amplifier off, then back on. This will resetthe amplifier.WARM UPIn order to achieve the best sonic performance from the amplifier, we recommend letting it warm up for 1 hour before begin-ning any critical listening. The amplifier may not deliver its full potential sound quality before this time has passed. Many usersleave Hafler amplifiers on indefinitely to ensure the best operation without delay.CLEANING AND MAINTENANCEThere is no requirement for regular maintenance on the electronic components of the amplifier. If the case becomes soiled itcan be cleaned using a soft cloth and a mild detergent, such as spray window or glass cleaner. If the amplifier is located in aparticularly dusty environment cleaning the inside with compressed air or vacuuming every 18 to 24 months is sufficient.TroubleshootingNo SoundAdjust the system headroom. First, turn thesource unit level control up to 3/4maximum. Next, turn the amplifier levelcontrols down until the clip LED activatesoccasional, only during peak audio events.SYMPTOM DIAGNOSIS REMEDYNo Power Check the line fuse on the back panel, linecord connections, power strip switch, wallreceptacle switch, and breaker.Check connections, substitute with knownworking source and cables and repair orreplace asnecessary.Disconnect existing speakers and wires andreplace with known working speakers andwires. If amplifier works, check and repairwiring and speakers as needed.Line voltage not presentRCA or 1/4” input fromsource unit is not connectedor not functioning properlySpeaker leads are shorted, orspeakers are blownToo much system GainProtection circuit hasactivatedReset the amplifier by turning the poweroff, then back on again. If protectionactivates again, check for shorted speakerwires or blown speakers.No Sound - Red LED onTA1600Hum in Speakers orHeadphonesGround Loop(Balanced Input Only)Try disconnecting the ground wire on both1/4”balanced cables5

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