@ Gammajo, Hi, Thankyou for the answer, Do they make a tester that will test all tubes that is affordable?, BTW, you said in an earlier post that the warm, cheaper 6h30 tubes you bought sounded good in comparision to the 1980 nos 6h30 p-dr tubes, Is the 6h30p-dr 1980 tubes at usa tubes price of $275.00 worth the cost comparied to the 6h30 alternative tubes you bought for back-up???,, cheers!
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- 381 posts total
- 381 posts total

