Manley STEELHEAD Version 1 Bedienungsanleitung

MANLEYLABORATORIES, INC.OWNER'S MANUALMANLEY STEELHEADMM/MC GRAMOPHONE CARTRIDGE PREAMPLIFIERMANLEY LABORATORIES, INC13880 MAGNOLIA AVE.CHINO, C

The winking MUTE lamp indicates the beginning of a 30 second warm-up mute delay,during which time the muting relay is engaged; no output will be heard

Let the preamp tube(s) cool down, if necessary, before handling. Tube heater filaments aresomewhat more suceptable to damage when warm or hot.Each tub

TROUBLESHOOTINGThe STEELHEAD’s system architecture is designed with a variety of features so as to allowflexibility in accommodating as many cartridge

Symptom Possible Cause Corrective Action, cont’dLights ON, no output Open 6922 filament, either Check for glowing 6922either channel after warm

SPECIFICATIONSVacuum tube compliment: 6922 x 2 (gain) plus 7044 x 4 (output buffers)Fuse type and ratings: 117 VAC: 1.5 Amp 3AG slow-blow main0.5 Amp

WARRANTYAll Manley Laboratories equipment is covered by a limited warranty against defects inmaterials and workmanship for a period of 90 days from

WARRANTY REGISTRATIONWe ask that you please fill out this registration form and send the bottom half to:MANLEY LABORATORIESREGISTRATION DEPARTMENT1388

CONTENTSINTRODUCTION 3INSTALLATION PRECAUTIONS 4FEATURES AND APPLICATIONS 5OPERATIONAL NOTES 9TROUBLESHOOTING 12SPECIFICATIONS 14W

THANK YOU!...for choosing The MANLEY STEELHEAD phono preamplifier. Please read over thismanual carefully as it contains information essential to t

INSTALLATION PRECAUTIONSa) Avoid locating the preamp where it will be exposed to direct sunlight, excessive humidity, dust or moisture.Extreme environ

FEATURES AND APPLICATIONS1. HIGH PERFORMANCE FRONT ENDThe STEELHEAD preamplifier makes the best use of active and passive component andcircuit d

3. SWITCH-SELECTABLE CARTRIDGE LOAD IMPEDANCEAn effective means of varying the load seen by the MC cartridge has been included in theform of a 5-posit

Each cartridge manufacturer’s product will work best in a laboratory sense whenterminated (loaded) with a certain amount of resistance and capacitance

7. BUFFERED VOLUME CONTROLThe STEELHEAD is equipped to drive external power amplifiers directly via low outputimpedance VARIable line drivers. Purist

OPERATIONAL NOTESBEFORE POWER-UPOnce placed, join the power supply cable to the pre-amplifier via the large16-pin circularconnector. The 16-pin conne