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A new BBA3
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Old 13th July 2012, 01:14 PM   #1
Darry is offline Darry  France
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Default A new BBA3


Firstly, thank you to Nelson Pass for his kindness and his pleasure to share his expertise with DIYers.

With various publications on the BA3-BBA3 Burning Amp amplifiers, I built my version of BBA3.

It is an adaptation of the front end of the BA3-BBA3 and the output stage is that of BA1 ,with by channel, 20 MOSFET, single-ended Class A output follower stage, biased by a constant current source.

The front end is connected to Jung PSU (+/- 30V).

With its bias of 5.3 A at + / - 32V, power is 50 watts into 8 and 4 ohms and 25 watts into 2 ohms.

I use an RCA / XLR adapter for the SE connection combined with a switch ( gain of 20dB with RCA or XLR inputs).


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File Type: pdf FE-BBA3.pdf (91.7 KB, 230 views)
File Type: pdf Output-BBA3.pdf (34.7 KB, 203 views)
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Old 13th July 2012, 02:17 PM   #2
bobodioulasso is offline bobodioulasso  Europe
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