Hafler IRIS User Manual

Hafler Iris Preamplifier

Tape The tape MONITOR switches at first appear to allow only aMonitoring redundant selection of what you hear from your deck(s) whenSwitches

USING THE IRISREMOTE SYSTEMInfrared Remote Integrated SystemINTRODUCTIONKey CommandTransmissionsvolume/Balance (V/B)CommandTransmissionsThe IRIS pream

AutomaticTransfer ofV/B ControlNote: The touching of BOTH knobs simultaneously will some-times inhibit operation of the touch-sensing system. The kn

Remote V/BResolutionRecord Securityand UmbilicalsystemsNote: Which V/B knob-set is in command is unaffected by ANYKEYS-remote or preamplifier. It depe

sx (SerialeXternal KEYThe rear of the IRIS receiver card has a recessed, keyed maleconnector which carries needed digital signals for allowing theIRIS

and pull the cover off.2) The battery polarities are clearly marked in the plastic holder,visible when the batteries are removed.1)Remove the 4 screws

Even if you are experimenting, you must replace the coverbefore re-plugging in the unit to AC-not only for safety reasons,but to shield hum and interf

IRIS SPECIFICATIONSPhono Section:FrequencyResponse:MaximumOutput Voltage:Totul HarmonicDistortion &NoiseSensitivity:Signal to NoiseRatio:Maximum

Total Harmonic.005%, 20Hz-20kHz @ 2 volts RMSDistortion &Noise:Sensitivity: (For 0.5 V RMS Output): 75 mV RMSSignal to Noise-97dB (A-weighte

FACTORY SERVICE AND LIMITED WARRANTYIf you encounter anydifficultyor have anyquestionsconcerningyour IRIS preamplifier, please call our Customer Servi

It is a good habit to turn down BOTH remote and mainpanel volume controls upon system shut-down. Thiswill avoid possible sudden and unexpected changes

INSTALLATIONThe gloss black insert on the face-plate of your new HaflerEquipment has been packaged with a removable protectivecoating. Please peel off

Power IRIS is internally connectable for virtually all AC line-powerConnections systems. Units not marked otherwise, on the rear panel, areconnected f

High Level IRIS has seven pairs of main HIGH LEVEL inputs, selected byInputs the seven (oval) KEYS to the right of the phono KEY. All of these(Oval K

OPERATIONTurn-On/OfflogicMuting SystemVolume/Balance SystemCAUTION:The EPL switch and the tape MONITOR switches, explainedlater, are often the cause o

The EPL andTape LoopSystemsThe actual audio attenuation elements are passive optically-controlled resistors, arranged in a special CYBER-OPTICcontrol

IRIS FUNCTIONAL BLOCK DIAGRAM(ONE CHANNEL SHOWN)MON I TORSWITCHMON I TORSWITCH120e0A7bREC 2CUTEPLINMAINOUT7

Recording Any recording requires that you activate either the RECORD 1System jacks, the RECORD 2 jacks (or both) using the RECORD 1 orRECORD 2