RE: 1570s

RE: 1570s

Oh yeah????!!!

Somewhere, I have four chassis stashed away. What scared me off was the B+ of 900 volts. In fact, I remember the schematic stating the primary power winding should be set at 115 volts unless the B+ was too low. Where the hell did I put those behemoths now?

In fact I remember one theater tech telling me he got shocked and the amp wasn't on and his finger was about a 1/4 inch away from the cap. Of course he may have been pulling my leg, but I was impressed by the very high voltages. Still have a bunch of oil caps to rebuild them.

Got them from a local drive in theater when they closed down. BTW.

Mine had the traditional Altec colors not the hammertones of the 340/350, which I love appearance wise and would love to find a duplicate. Even the automotive paint suppliers could not match the color, BTW, at least not in my area.

very small output iron for such large power. I guess high voltage conquers the need for the large iron.

This post is made possible by the generous support of people like you and our sponsors:

Follow Ups Full Thread

Topic - OLD Altec Amp - unclestu 00:04:51 07/30/15 (16)

RE: OLD Altec Amp - unclestu 14:15:46 07/31/15 (4)

RE: OLD Altec Amp - Potato_Head 15:04:17 02/06/17 (0)

OLD Altec Amp = A-255, 256, 1430 or 1530... - Interstage Tranny 14:55:38 07/31/15 (2)

RE: OLD Altec Amp = A-255, 256, 1430 or 1530... - unclestu 15:26:36 07/31/15 (1)

I forgot the most important part - unclestu 15:27:35 07/31/15 (0)

RE: OLD Altec Amp - Awe-d-o-file 16:17:15 07/30/15 (8)

Thanks - unclestu 16:40:17 07/30/15 (7)

RE: Thanks - Awe-d-o-file 17:27:23 07/30/15 (6)

1570s are some of the best...ever seen the 1570A ? Me neither... - Interstage Tranny 15:28:42 07/31/15 (5)

RE: 1570s - unclestu 17:31:05 07/31/15 (4)

1570s - Interstage Tranny 18:15:17 07/31/15 (3)

Thanks for your warning - unclestu 18:57:45 07/31/15 (2)

RE: Thanks for your warning - unclestu 14:40:54 08/01/15 (1)

U R Welcome for the HV Warnings !...1570 is AB2...Needs Power Drive.... - Interstage Tranny 09:54:59 08/02/15 (0)

RE: OLD Altec Amp - Hornlover 07:54:54 07/30/15 (1)

Thanks, but - unclestu 14:27:39 07/30/15 (0)

Follow Ups

RE: 1570s - unclestu 17:31:05 07/31/15 (4)

1570s - Interstage Tranny 18:15:17 07/31/15 (3)

Thanks for your warning - unclestu 18:57:45 07/31/15 (2)

RE: Thanks for your warning - unclestu 14:40:54 08/01/15 (1)

U R Welcome for the HV Warnings !...1570 is AB2...Needs Power Drive.... - Interstage Tranny 09:54:59 08/02/15 (0)

Post a Message!