Hi all,
I have an Aguilar BD680 bass preamp that I bought on Ebay a few years ago. If anyone is familiar with these pre's, my unit is one of the older models prior to Aguilar modifying the design (my serial number is #008). My unit has not worked well since I bought and I am hopeing to repair it. The only problem is that I can't locate a schematic anywhere. Does anyone have experience with these units or have a schematic for them? If I can't get a schematic to help narrow down the problems I'm having, I may just do a general overhaul, replacing capacitors and checking for any obvious problems. Thanks for the help.

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