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GT Amplifier - Coin door / menu volume set to 15 (usable range 20-30, do not exceed 30).PinWoofer Amplifier: GT Amplifier - Gain to 3 o'clock position.Bass Freq to 11 o'clock position.Bass Vol to 2 … read more

Below is the account of what we did here at PinWoofer to our Jersey Jack Pinball (JJP) electronics in an attempt to improve the backbox sound field, and to address some of the constraints inherent in … read more