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    2-wire pickups into a Yamaha TRB pre-amp

    Hi everyone, I was hoping to replace the stock pups on my Yamaha trb1005 with a Fender ultra noiseless vintage jazz bass V pickup set, while keeping the stock Yamaha pre-amp. With the stock pups being 3-wire: active coil (red) + dummy coil (white) + ground, and the jazz pups being 2-wire: hot...
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    Ampeg SVT 4 pro - problem, or normal?

    I got a used SVT 4 Pro recently. When I first power it on, the low end is weak. After some time, it kicks in and all is well. At first, it took a few minutes (10-15). Lately, it's taking longer and longer (20-30 minutes). In the owners manual under "Thermal Considerations" it says "When the...