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Pinball pro was first. I have both and both products are virtually the same. You can't go wrong with either. Shipping time is equivalent on both also. Pinball pro seems a few bucks cheaper but not significant. Service is equal on both. You can't go wrong either way.
Your analysis doesn't make sense at all. When you install the stern kit, it comes with a vol control. The bigger speakers require more power to drive them. Therefore, you turn the system volume up. I usually go to around 48. Then you turn the vol control knob that you just installed down until the speakers are the right volume you want. This results in booming bass but normal volume speakers.
The vol knob will lower the vol of tgd backbox speakers. If this is not what's happening then you have it installed wrong.
What part of what I described is different for you?
Also the Tz kit would be totally different and incompatible. The speaker in a WMS system is crossed over way higher than the stern subs. In addition the older WMS sound systems had only one audio amp. Therefore the vol knob is on the sub. Wpc dcs, wpc 95, Sega, data east, and stern all have two amps. One for back box and one for cabinet (sub).
Quoted from system11:Nothing - that's exactly how it's working, but if I turn up the machine volume control to get decent sound from the new backbox kit, the sub is knocking the walls down - which isn't what I wanted, or how the last kit sounded. I know WPC is different, I was just using the TZ setup as an example in terms of sound. I want to be able to turn the sub down, not turn the backbox speakers down which are already too quiet in comparison by a long, long way. The best tune in the game (Derezzed) sounds pretty bad now, it sounds thumping if you're familiar with it, but in reality there's not a huge amount at the lowest end. End result in gameplay is the booming from everything else totally drowns it out.
Ok so you're saying that when you have the backbox knob turned to "max" that the sub volume is still too loud? Over here, I have the knob turned to less than half closer to "min" and the sub shakes like crazy. It is hard to know where the sub leaves off and the shaker takes over. TZ doesn't have a lot of bass, so you won't get much the same performance out of that. But it sounds to me like you were actually not happy with that much bass?
If you want to reduce the sub volume further, you could put a 8 or 16 ohm resistor on the + tab of the speaker and solder your speaker wire to that. That would lower the volume of your sub. An 8 ohm would cut the vol in half, and a 16 would cut it in 4. I believe the sub in the cabinet is 8 ohm. If it's actually 4 ohm, then substutute my suggestions where 8=4 and 16=8 for resistors. You can get these resistors locally at radio shack or such for a few cents.
Quoted from system11:So I solved my problem, I took the Pinball Pro kit wiring out, removed the wires from the volume control and soldered them together so the backbox speakers are in parallel straight off the amp. Then I cut the sub speaker wires close to the speaker, and put the volume control in there instead, again wired as a potential divider as it was on the backbox. End result - I can turn the sub down, which is what I'd wanted in the first place - sounds much better and the neighbours won't hate me as much. Easily adjusted by reaching inside the coin door as I screwed the control to the cab floor next to the sub.
Just like their kits used to be, when they were better
Wow. Turning subs down instead of up, pulling out awesome red led Dmd and putting in old plasmas. Next you're going to say you remove all LEDs and put in incandescents or you toss the powder coated LE legs and rails for black.
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Hillsboro, OR