Thread: 6H30 DR's NOS
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Old 10-14-2013, 05:48 AM
Harlequin Harlequin is offline
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Join Date: Jul 2013
Posts: 428
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A little light reading should non USA based members contemplate looking to source genuine pre 1990 production valves other than from reputable US dealers such as Upscale Audio ~

Recognizing 6H30 - 6N30 tubes - ACA
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