I have Williams High Speed (Williams System 11).
I also tagged Grand Lizard and Road Kings since they use the same sound.
Is it possible to tap into an audio line level out on the mainboard (and sound board if necessary)?
If anyone knows the answer, could you please provide some information?
Maybe something like: Chip numbers, pin numbers on chip that I can tap into to provide this signal, photos? General thoughts?
I am not a EE, but I know how to follow instructions and solder chips and etc. onto pinball circuit boards properly.
I am already using a second L-Pad on a 100HZ high passive crossover for the backbox, and a 100HZ low pass for the cab. The cab speaker is a stock replacement from Marco (stock on this pin is easiest since most current speakers magnets are too big to allow the playfield to fully open up for service)
I crank the bass up to just below any distortion, and then bring the backbox speaker (Mid/hi) up to a more acceptable level.
It sounds better.
The cab rumbles and shakes without distorting with balanced mid/hi at the backbox.
It is much more controllable being able to adjust the bass separate from the mid/hi-range.
However, with true line out, I think there is still opportunity for improvement.
I would like to tap into an audio line level out to try to obtain cleanest signal for proper and modern amplification.
I do not want to use a "high level to line level" converter, since this still does not bypass the circa 1986 amplifier chips in the pin.
I have seen there have been/are several projects with Adrino, Pinsound, etc completely replacing the sound on some pins, but nothing I see on the market for this pin... so I might look at this in the future, but I don't think this is a realistic hope anytime within the next 5 years.
I know the stock audio recordings are still not of the highest fidelity, but I would still like to know if it is reasonably possible.
I spent about 5 hours with Google and searching the Pinside forums for answers to this, but have not been able to find any information.
This is my first post, so "Hello out there!".
To introduce my game, here are some things I recently did to it:
XPin Power Supply, Xpin LED Display (Orange), NVRAM, Aluminium flippers, FreePlay's HS ramp, replaced the TIP 42 lamp matrix transistors with IRF9530 and 1K Ohm resistors (FYI: This Mod Saves about 10 watts), Bulbs: 100% LED. Safety: Fuses added between the transformer and bridge rectifier. L-Pad and passive crossovers for speakers. Power usage at idle: (Kill-o-watt measured): 82 watts