On Saturday, July 13, 2013 1:15:46 PM UTC-4, Tom Kelley #711 wrote:

I have a B40...BUT you can have it for free. The audio was intermittent the last time I used it, which was several years ago.

If the audio is intermittent, it might just be a broken wire or connection. Installing all new speaker and power wires and connectors might be the easy way to get it working with a minimum of fuss and expense.