Blown 6CA4?

Tubes Asylum

Questions about tubes and gear that glows. FAQ

I have a fine sounding persnickety Counterpoint SA-5.1 pre amp in the second system. It just blew the AC input fuse. I put in a 3 amp fuse as I could not immediately source a 2 amp fuse. Poof! Blue flame, open fuse. I got creative and disconnected the umbilical from the power supply to the pre amp itself. I'm not sure if this is valid as the power supply may require a load for the PS to come up. Poof! The new fuse blew. Same blue puff in the tube.

Before I order another tube, is this how they normally fail?

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Topic - Blown 6CA4? - Ozzie 11:02:31 01/18/24 (9)

Fixed! - Ozzie 14:04:20 01/22/24 (1)

RE: Fixed! - Sondek 16:45:45 01/22/24 (0)

RE: Blown 6CA4? - Jonesy 11:42:04 01/22/24 (0)

RE: Blown 6CA4? - Sondek 08:26:16 01/19/24 (2)

RE: Blown 6CA4? - Ozzie 09:15:48 01/19/24 (1)

RE: Blown 6CA4? - 6bq5 10:26:22 01/19/24 (0)

RE: Blown 6CA4? - Rod M 18:01:56 01/18/24 (0)

RE: Blown 6CA4? - 6bq5 12:47:32 01/18/24 (1)

RE: Blown 6CA4? - understudy 13:02:50 01/19/24 (0)

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