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Amplifier History: The JBL SA-600

Amplifier History: The JBL SA-600

January 12, 2018 · by Bonsai · in Amplifiers, Power Amplifiers, Useful Audio Links

The beautifully styled JBL SA-600 amplifier was launched by the James B. Lansing company in 1966, and Bart Locanthi (the designer) wrote the  technical article linked to at the bottom of this write-up in January 1967. I’ve included this in…

Ovation e-Amp Modules

Ovation e-Amp: A 180 Watt Class AB VFA Featuring Ultra Low Distortion

February 2, 2014 · by Bonsai · in Power Amplifiers

The e-Amp is a 180 Watt RMS (very conservatively rated into 8 Ω ) fully balanced symmetrical (‘FBS’) amplifier featuring an emitter follower triple (EFT) bipolar output stage and beta enhanced VAS stage. The amplifier can be configured using jumpers…

Ovation 250

Ovation 250 Power Amplifier

January 15, 2014 · by Bonsai · in Power Amplifiers

The Ovation 250: A 250W per Channel Audio Power Amplifer (updated 1st June 2013) This amplifier was built in 2005/2006 and this write-up originally published in 2009. Introduction Diy Audio is a wonderful activity:-  if  you cannot  afford a $10 000  power…

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