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In the Forum: Melquiades Amplifier
In the Thread: Single-stage Melquiades vs. DHT amps
Post Subject: Sylvania 2A3 identificationPosted by drdna on: 1/26/2009
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 floobydust wrote:
I do agree that the internal structure makes a big difference... but, if the tube specs properly and has adequate immunity to mechanical induced interference, then you should not be able to discern any major difference in sound quality, at least not in well made NOS tubes as the industry had the same technology, materials and processes.
Understood. In my mind, the internal structure correlates with good function and resistance to mechanical vibration.

 floobydust wrote:
Finally, here's the Sylvania 2A3 with the coil spring supports
That's a nice picture. Too bad the picture is of a "tube that wouldn't read anything. It warmed up however." That doesn't sound encouraging for EBay.

Adrian

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