MAGNETIC PHONO PRE-AMP




The pre-amplifier completely wired. Pictures give a general idea of parts layout although it does not have to be exactly as shown. Make sure you have the capacitors with the negative marked lead connected with the negative lead to ground. Try to keep wires as short as possible but leave a little slack.









The following drawings are a guide to parts placement. Please remember that it is best to not solder a terminal until you have every wire connected to that terminal.



















OPTIONAL POWER SWITCH














































INPUT LOAD RESISTORS
(yellow arrows)
LOCATED AT INPUT JACKS
EASY TO CHANGE VALUE IF NEEDED












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DISCLAIMER










SITE DIRECTORY
MAIN PAGE
PROJECTS
vacuum tube related

TONE CONTROLS
MAGNETIC PHONO PRE-AMPLIFIER
AUDIO CONTROL CENTER
LEVELING AMPLIFIER
CLASSIC BASS REFLEX SPEAKER
PROJECTS
solid state related

TRANSISTOR AMPLIFIER STAGE
TRANSISTOR AMPLIFIER 2-STAGE
TRANSISTOR 10 WATT AMPLIFIER

INFORMATION
vacuum tube related

BASIC ELECTRONICS
BUILDER TIPS
THE VACUUM TUBE
THE TRIODE AMPLIFIER
VACUUM TUBE POWER SUPPLY
USING A SOILD STATE SUPPLY
SELECT A POWER TRANSFORMER
FILAMENT DC SUPPLY
CALCULATE FUSE SIZE
TUBE DATA
SELECTING WIRE SIZE
INFORMATION
general

LETTERING A PANEL
GROUND LOOPS
BALANCED AUDIO LINES







RADIO RELATED

WBBM
Chicago, Illinois
WEZW
Milwaukee, Wisconsin
WFUN
Miami, Florida
WROK-AM, WZOK-FM
Rockford, Illinois
MISC

EXPERIMENT THAT SAVED HI-FI
RUSSELL O HAMM PAPER
ANALOG~DIGITAL AUDIO
EAR DAMAGE - LOUD AUDIO
SOUND ON FILM
REBUILDING A HOLMES 35MM PROJECTOR
SAENGER THEATER, MOBILE, ALABAMA




MAGNETIC PHONO PRE-AMPLIFIER - MAGNETIC TURNTABLE PRE-AMPLIFIER - TURNTABLE PRE-AMPLIFIER
MAGNETIC PHONO PRE-AMPLIFIER - MAGNETIC TURNTABLE PRE-AMPLIFIER - TURNTABLE PRE-AMPLIFIER