Voice of music, antique or reproduction?

kenpeter · 13th February 2009, 08:29 PM

Parts inside date stamp from 1931 to 1942.
Yet I see details that look way too modern...

Phillips screws, a tagboard, what year were
6AU6, 6AQ5A, 6X4 ??? Didn't all these come
later? Or was VOM just that far ahead of the
curve?

Its in really good condition, except for some
scuffs, and an old cap or two letting a bunch
of hum bleed through. Needs a fuse added.

Model 162 or 163, not sure which is which.

Cal Weldon · 13th February 2009, 09:42 PM

Sure can't answer about the tubes but the Phillips screw is that old.

Miles Prower · 13th February 2009, 09:44 PM

Quote:

Originally posted by kenpeter
Parts inside date stamp from 1931 to 1942.
Yet I see details that look way too modern...

Looks like the 6AU6 (or at least types with the same pinout) were introduced in 1939 (B7G). That's not out of line for the dates claimed. Phillips heads and tagboards aren't that new. PCBs and Torx head screws would be pretty suspicious. Transistors way so.

kenpeter · 13th February 2009, 11:45 PM

Alright... We got us a cap, with no tabs.
Four cloth covered wires coming out one
end, sealed with beeswax or whatever...

VM-12109.
RED 40MFD 300VDC
GRN 30MFD 300VDC
BLU 10MFD 300VDC
BLK COM. NEG.
338-852 75-C

SeventyFive-C??? Is that Centigrade???
Yet the whole thing was supposedly made
in Michigan. Why is temp rating in Metric?
Or is that last line not the Temp rating?

When did we go Metric for temperatures?

Tom Bavis · 14th February 2009, 01:29 AM

Models 162 And 163 are covered in Sams folder 465-16, 1959. I MIGHT have a copy if you need it.

6AQ5 and 6X4 were introduced in 1946, 6AU6 probably about the same.

kenpeter · 14th February 2009, 04:39 AM

The schematic pasted inside the box is quite readable.
It really looks too new (on the inside) to be as old as
it probably is.

The outside looks a bit banged up, but not weathered.
Possibly only recently abused. Likely by the junk dealer
I just liberated it from. Carting his many wares to the
local flea markets.

13th February 2009, 08:29 PM	#1
kenpeter diyAudio Member Join Date: Nov 2007 Location: Dallas	Voice of music, antique or reproduction? Parts inside date stamp from 1931 to 1942. Yet I see details that look way too modern... Phillips screws, a tagboard, what year were 6AU6, 6AQ5A, 6X4 ??? Didn't all these come later? Or was VOM just that far ahead of the curve? Its in really good condition, except for some scuffs, and an old cap or two letting a bunch of hum bleed through. Needs a fuse added. Model 162 or 163, not sure which is which.

13th February 2009, 09:42 PM	#2
Cal Weldon Speakerholic diyAudio Moderator Join Date: Jan 2004 Location: British Columbia	Sure can't answer about the tubes but the Phillips screw is that old. __________________ Next stop: Margaritaville Some of Cal's stuff \| Cal Weldon Consulting

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13th February 2009, 11:45 PM	#4
kenpeter diyAudio Member Join Date: Nov 2007 Location: Dallas	Alright... We got us a cap, with no tabs. Four cloth covered wires coming out one end, sealed with beeswax or whatever... VM-12109. RED 40MFD 300VDC GRN 30MFD 300VDC BLU 10MFD 300VDC BLK COM. NEG. 338-852 75-C SeventyFive-C??? Is that Centigrade??? Yet the whole thing was supposedly made in Michigan. Why is temp rating in Metric? Or is that last line not the Temp rating? When did we go Metric for temperatures?

14th February 2009, 01:29 AM	#5
Tom Bavis diyAudio Member Join Date: Jun 2002 Location: Macedon NY	Models 162 And 163 are covered in Sams folder 465-16, 1959. I MIGHT have a copy if you need it. 6AQ5 and 6X4 were introduced in 1946, 6AU6 probably about the same.

14th February 2009, 04:39 AM	#6
kenpeter diyAudio Member Join Date: Nov 2007 Location: Dallas	The schematic pasted inside the box is quite readable. It really looks too new (on the inside) to be as old as it probably is. The outside looks a bit banged up, but not weathered. Possibly only recently abused. Likely by the junk dealer I just liberated it from. Carting his many wares to the local flea markets.

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