Voice of Music Reel-Reel schematic needed

Trout · 22nd March 2009, 03:30 PM

Anyone have a scan of the Voice of Music model 722 reel-reel circuit?

I could sure use a copy right about now.
Thanks!

Trout · 23rd March 2009, 01:37 AM

Looking inside the unit, obviously the mechanics are shot, so I figured it is a good donor unit.

Has a nice stancor PT with 5V, 6.3ct, and HV w/ct

The thing that puzzles me is the ot, the primary is normal, but the secondary wiring seems unusual. It has a tap that is connected directly to pin 8 on the 6L6GB SE output tube

3 wires, Green= ground, Yellow 4 ohm, Black connected to cathode?

Tom Bavis · 23rd March 2009, 01:51 AM

Cathode feedback?

Sams 538-16 - not in my files, though.

Trout · 23rd March 2009, 01:58 AM

Quote:

Originally posted by Tom Bavis
Cathode feedback?

Sams 538-16 - not in my files, though.

Might Be?
I have never seen it before, the only thing connected to pin 8 is the extra transformer secondary tap.

22nd March 2009, 03:30 PM	#1
Trout diyAudio Member Join Date: Nov 2004 Location: Midwest Madman	Voice of Music Reel-Reel schematic needed Anyone have a scan of the Voice of Music model 722 reel-reel circuit? I could sure use a copy right about now. Thanks!

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23rd March 2009, 01:37 AM	#2
Trout diyAudio Member Join Date: Nov 2004 Location: Midwest Madman	Looking inside the unit, obviously the mechanics are shot, so I figured it is a good donor unit. Has a nice stancor PT with 5V, 6.3ct, and HV w/ct The thing that puzzles me is the ot, the primary is normal, but the secondary wiring seems unusual. It has a tap that is connected directly to pin 8 on the 6L6GB SE output tube 3 wires, Green= ground, Yellow 4 ohm, Black connected to cathode?

23rd March 2009, 01:51 AM	#3
Tom Bavis diyAudio Member Join Date: Jun 2002 Location: Macedon NY	Cathode feedback? Sams 538-16 - not in my files, though.

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