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Re: "Need some ballast."--No Kidding!

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In Reply to: Re: "Need some ballast."--No Kidding! posted by DaveL on May 13, 1999 at 09:17:47:

The V35 was discontinued recently. I ~~bitch~~ about it every now and then.
It is a "coincidence" that there are KR tubes available in every one of Welborne's kits ('cept the V35) and one of his amps (Apollo) is built around KR tubes. 300B's and 2A3's are common but not as common as the EL-34 (a tube that KR does not make a variant). It certainly seems that Welborne labs makes a nice vehicle for KR tubes. Customers of Welborne labs do have the option of different brands of tubes in their kits and Welborne does sell different brands individually. However, Welborne is the sole distributor of KR tubes in the U.S.
The amplifier is a picture from VSAC '98. A full explanation of its creation is at the link below. I posted the picture because Sherwoods amp reminded me of that particular beast.
Tom S.

Ultimate amplifier.

Follow Ups:

WOW ! quite a rig! DaveL 11:17:55 5/13/99 (3)
Thanks Tom, I now understand about the V-35 and KR's and EL-34's and all.
I guess there's a good and bad side to a design (product or kit) based on sponsored components. On one hand, you theoretically may get the best possible 'inside' design data from the manufacturer, on the other hand, you may not be getting the best possible component package to suit a purpose.
regarding your 212 beast - 32 transformers ! holy gauss!
what are the performance numbers for that heap?
( and I don't mean weight and center of gravity )
the transformer cans look like stainless!
Dave(L)
- I didn't build that amp. Tom S. 11:39:08 5/13/99 (2)
  But it would have been nice to have the time, talent, and resources to do so.
  Have fun,
  Tom S.
  - Re: I didn't build that amp. Doc B. 12:11:53 5/13/99 (1)
    You guys probably don't want to hear that the VSAC 98 posterboy amp was recently divied up for parts, huh.
    - Oh well.... Tom S. 12:30:42 5/13/99 (0)
      I guess it has to join the ranks of the Hindenburg and the Titanic. Maybe you could write the story and sell the movie rights.
      Tom S.
Re: "Need some ballast."--No Kidding! Jack G 09:57:19 5/13/99 (0)
Welborne strongly encourages the KR tubes. All of thier amps are now designed for KR tubes including the moondog . They don't offer much in the way of options, if you choose not to have KR-usually generic, not any of the competing brands, if i'm not mistaken.
Welborne is now the sole NORTH AMERICAN distributor, apparently the parts connection got out of selling KR. You'ld think the would have some in stock.
Jack

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