Pre-amplifiers
Name
Function
Status
Info
Audio Research PH2
RIAA - MM amplifier
FFI Pre-amp
RIAA, Buffer & Phones
Not finished
Several designs put together
Hiraga Pre-amp
Moving coil pre-amp
Works
2-transistor design
Kaneda Pre-amp
RIAA & tome controls
Not finished
LM 318 RIAA
Low noise based on LM 394
Works
Application notes
AN-299
,
LB-52
Mic amps
Microphone pre-amp
Works
Symmetrical, based on Elector design
Misc preamps
Several designs
Mixer 01
Mixer w/Effects send & return
Not built
Stellan Lehrberg -99
Roy Hansen amp
Bass & CD input, phones out
Works
Simple MC pre-amp
MC head amp
Works
Sounds good. WW design idea.
Siren Preamp
Tube based
System A Pre-amp
MC
&
MM
RIAA pre-amp
Tone Controls
Parametric
&
Wien Bridge
Not finished
Application note OA-26; active filters
Unknown
Microphone? General?
Walkmix
5-ch portable mixer
Not finished
JJ & mg design -
LM833 Appl note