Check page one of this thread. Tom Brennan provided scans of the Altec plans for the 821A cabinet, as found in the Badmaieff/Davis book, which are the only ones I've seen. For further information you...
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Check page one of this thread. Tom Brennan provided scans of the Altec plans for the 821A cabinet, as found in the Badmaieff/Davis book, which are the only ones I've seen. For further information you...
I have an Altec price list from October 1, 1952. The complete 820A system listed at $525. The 821A cabinet by itself was $285., and a version of the cabinet described as "frame only" was $99. The...
Dylanl, do you mean the horizontal board separating the two woofers? I think they all had that. Whoever did that drawing probably didn't have a picture of the cabinet with the grille removed, as the...
Dylanl, I think the pair in your picture are 820A systems, as they have the H-808 horns. I believe the cabinets are the 821A described in the brochure you posted, with front grills removed.
Tom, you beat me to it.
Dylanl, as I recall the 820A used the aluminum H-808 eight cell, 800Hz. aluminum horn with an 802B driver on top. Later versions of the 820 used the H-811 or 811A horn and...