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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Once In A Lifetime Find KT88's From 1956 & 57 posted by thisword@hotmail.com on February 17, 2017 at 17:37:49:
I have never had a pair of the brown base, but I have had a few of the metal base (I still have one used pair somewhere).
Be careful with those tubes - based on the original literature they are not rated as high as the more "common" version - a maximum rated plate voltage of 600V (as opposed to 800V for later versions), and a maximum anode dissipation of only 35 watts (as opposed to 42 watts for later versions).
I sold a group of five new in box a couple of years ago, and the price was high but not as high as you would expect. While there are a handful of pure collectors, most will not pay that high dollar. The rest are either users or resellers (mainly from Asia). Because the tubes are very scarce, they are tough to match and people really want a quad (for push pull).
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Follow Ups
- RE: Once In A Lifetime Find KT88's From 1956 & 57 - baileyler 07:35:56 02/18/17 (3)
- RE: Once In A Lifetime Find KT88's From 1956 & 57 - thisword@hotmail.com 07:52:19 02/18/17 (2)
- Some more beauties from 1956 - XLR8OR 22:01:51 03/19/17 (0)
- RE: Once In A Lifetime Find KT88's From 1956 & 57 - Eli Duttman 13:10:51 02/19/17 (0)
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