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![](https://static.wixstatic.com/media/0fe297_d662548fd41144a087866b5a8967bd83~mv2.jpg/v1/fill/w_261,h_33,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/soundstream1300.jpg)
REGISTRY
The Class A 40 is Soundstream's very first Class A amplifier, built in the mid to late 80's. This may be another amp designed by Nelson Pass who did earlier work for Soundstream.
![CLass A 40.jpg](https://static.wixstatic.com/media/0fe297_b2a8e85225314a8dbe8f489ea80e7475~mv2.jpg/v1/fill/w_480,h_357,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/CLass%20A%2040.jpg)
![Class A 40 guts.jpg](https://static.wixstatic.com/media/0fe297_b4897eb3f75b4a26a215182bdf1e0701~mv2.jpg/v1/fill/w_371,h_489,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/Class%20A%2040%20guts.jpg)
Specs:
16watts continuous per ch Into 4 ohms, 20 Hz-20 kHz
25 watts continuous per ch into 2 ohms, 20 Hz - 20kHz
Bridged Mono 60 watts continuous into 4 ohms, 20 Hz-20 kHz
![](https://static.wixstatic.com/media/0fe297_99f68f11def34bde90a88166b316620e~mv2.jpg/v1/fill/w_409,h_462,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/s-l960.jpg)
Possibly an earlier version of the Class A 40 - a split board design
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