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GT Amplifier - Coin door / menu volume set to 15 (usable range 10-20, do not exceed 20).KO Amplifier - Coin door / menu volume set to 30 (usable range 10-max). PinWoofer Amplifier: Gain to 2 o'clo … read more

There is a persistent issue that affects some Spike-2 machines.  It does not seem to be dependent upon the title since it has been observed since about Iron Maiden (which had a CPU node board rev … read more

Some of the PinWoofer kits require a small number of wire crimps. Below is a decent crimping tutorial:https://youtu.be/ry3YkqP6Iyc … read more

KO Amplifier - Coin door / menu volume set to 30 (usable range 10-max).System Menu:Disable the EQ and shelf filtersSet the backbox speaker impedance to 8 OhmSet the cabinet speaker impedance to 8 OhmS … read more

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