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
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
These mods were collected from various places on the net.
This page is provided by Bayou Audio Cables