Altec Info Page

I am always looking for info on modifying vintage Altec mixers and preamps. 
If you have anything to add please email me at butch@bayoucables.com

Schematics and Manuals

Altec-128B-PowerAmp.pdf
Altec-250SU-Promo-Man.pdf
Altec-250-T3-Promo.pdf
Altec-260A.pdf
Altec-342B-MixerAmp.pdf
Altec-436C-CompAmp.pdf
Altec-438C-CompAmp.pdf
Altec-1566A-PreAmp.pdf
Altec-1567A-MixerAmp.pdf
Altec-1568A-PowerAmp.pdf
Altec-1569A-PowerAmp.pdf
Altec-1570B-Power Amplifier.pdf
Altec-1570B-Power AmpMan-2.pdf
Altec-1589B-MixerAmp.pdf
Altec-1591A-CompAmp.pdf
Altec-1592B-MixerAmp.pdf
Altec 1606A Owners & Service Manual.pdf
Altec-9470A-MicPre.pdf
Altec-9475A-MicPre.pdf
Altec-Enclosures.pdf
Altec-M20-CondenserMic.pdf
Altec-M30-CardioidMic.pdf
AltecTransformers.pdf
Altec 1612 Limiter Amp
Other info

Mods

These mods were collected from various places on the net.

1588B direct box/mic pre

1588B gain mod

1628a mixer mods

Phantom power

Oktava 012 mic mod

Shure SM57 mic mod

Shure M67 Mixer Mod

Links

Tube Links

This page is provided by Bayou Audio Cables

bayoucables.com