Monday, January 19, 2009

How to Remove Tubes / Another Way PC Board Fail

The first half of this video shows how to remove preamp tube from your amplifier.
The second half shows a rather extreme example of what can be happening to the circuit board in the process.

To be fair, most pc board mounted sockets are better supported than this one from an Ampeg V4B. The same principle applies though. It doesn't take much motion to make a hairline crack in on of the solder joints on the other side of the board. The worst thing is that these tiny cracks are likely to cause intermittent failures. So while the amp may work most of the time you won't be able to trust it to gig with or bring a recording session.

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