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Are 6DZ7 to Rare to be fun?
Are 6DZ7 to Rare to be fun?
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Old 20th November 2007, 01:42 AM   #1
Trout is offline Trout  United States
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Default Are 6DZ7 to Rare to be fun?

I was pondering the idea about using a pair of these for a compact 30W or so amp, But are they getting to rare? I have not seen any mention of them here.

Trout
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Old 20th November 2007, 02:35 AM   #2
Tom Bavis is offline Tom Bavis
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I have a pair... probably will save them in case I run across a Stromberg ASR-422 - that used 6DY7s, which have REALLY become unobtanium.
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Old 20th November 2007, 02:37 AM   #3
w5jag is offline w5jag  United States
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What good are they if they don't get used?

If you want to make an amp from some, I say go for it! I bet they run hot on the bulbs!

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Old 20th November 2007, 02:39 AM   #4
w5jag is offline w5jag  United States
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Quote:
[i] that used 6DY7s, which have REALLY become unobtanium. [/B]
I've never even seen a 6DY7.

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Old 20th November 2007, 03:08 AM   #5
astouffer is offline astouffer  United States
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Tom you must mean a 6DZ7. They probably weren't made in large quantities to begin with. I think theres one guitar amp that used a 6DZ7.
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Old 20th November 2007, 04:14 AM   #6
danFrank is offline danFrank  United States
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Are 6DZ7 to Rare to be fun?
6DZ7... Great tube! It's like 2 EL84's in one bottle. I bought a ton of them 15 or so years ago; I was planning on making a VOX AC30 clone, but never got around to it.
I always liked the sound of a pair of 6V6's better in guitar amps.
Daniel
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Old 20th November 2007, 04:17 AM   #7
Trout is offline Trout  United States
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Quote:
Originally posted by astouffer
Tom you must mean a 6DZ7. They probably weren't made in large quantities to begin with. I think theres one guitar amp that used a 6DZ7.

6DY7 was a common replacement for the 6DZ7.
http://www.nostalgiaair.org/tubes/6dy7.htm


I have 1 6DZ7 in my collection and have been looking for a few more, But they do not seem to turn up often on fleabay.

My thinking is in my crowded chassis in my combo guitar amp I can free up the space of 1 octal and use the extra room for a reverb driver.

Then of course I had a couple other ideas also, Like a 36W bluesbreaker


Trout
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Old 20th November 2007, 01:23 PM   #8
Tom Bavis is offline Tom Bavis
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6DZ7 is basically a dual 7189. 6DY7 is closer to a dual 6L6, though of course limited in dissipation. They can be interchanged to some degree by adjusting bias... drop 6DZ7s into the Stromberg ASR422 and they'll be biased in class C unless you make some resistor changes.

One of the Strombergs passed through my hands - I sold it for a friend. Details on this amp are on my web page: http://www.audiophool.cjb.net/MadeInRoch.html
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Old 20th November 2007, 10:07 PM   #9
Jaime is offline Jaime  Uruguay
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This is very interesting

http://www.audioasylum.com/forums/tu...12/124726.html
Y.C : (hcyoon@monotec.co.kr

Best regards Jaime
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Old 20th November 2007, 10:24 PM   #10
Trout is offline Trout  United States
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Quote:
Originally posted by Jaime
This is very interesting

http://www.audioasylum.com/forums/tu...12/124726.html
Y.C : (hcyoon@monotec.co.kr

Best regards Jaime
Cool schematic at that site. That tube sure lends itself to less wiring and simple designs.
To bad a current company has not picked up on these yet.

When they do turn up it seems that most sell for under $25.00 US which is still cheaper than the 2 tubes needed to replace them.

Trout
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