Stern Sub upgrade

Kenny Taylor

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Jul 27, 2015
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Folks,
Having problems getting a hold of Flipper Fidelity kits and would really like to upgrade the sub on my Tron. My Tron came with a crossover attached to the existing sub. So I guess updating the Stern OEM sub is bound to see improvements in sound..

Current Sub..
89ED6A9A-ED2C-4B17-B96F-29C60F76AAA1.jpegC02B07EE-82D6-47EB-9725-B5645986E89F.jpeg
 
Last edited:
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Kenny Taylor

Kenny Taylor

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Jul 27, 2015
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Thanks for your help.
Since It's Tron and IMO it has the best music of any pin. Gonna push the boat out and buy Flipper Fidelity as i do like these kits. PU-parts have them..
 
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Kenny Taylor

Kenny Taylor

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Jul 27, 2015
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Update. Bought Flipper Fidelity kit for SAM/Whitestar from PU. Arrived and was about to fit it when I noticed the speaker connections on the Tron backbox have been modified to add the crossover that's connected to the sub. I might try in this instance to just upgrade the sub as I first thought. Used the kit on my Ripley's instead which was s straight swap. Why would you connect a crossover to backbox speaker connection. Surely the board has a separate feed to the sub. Any ideas?
 

Sven Normansson

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Mar 12, 2016
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Phil Dixon
Why would you connect a crossover to backbox speaker connection. Surely the board has a separate feed to the sub. Any ideas?
It does but all need filtering to the correct frequencies. You don't need 1KHZ at the sub, similarly you don't need the bass frequencies at the head.
 
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Kenny Taylor

Kenny Taylor

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Jul 27, 2015
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The music and sound affects on Tron are one of a kind. Just want to do it justice. The Flipper Fidelity sub already has a crossover/filter. There isn't a need for two of them?

I guess if the new sub doesn't offer the improvement I'm looking for. I'll remove the current setup and fit another set of Flipper fidelity. Will let you know how I get on.

Here is the sub I've ordered :-
https://www.amazon.co.uk/dp/B000L984RQ/ref=pe_3187911_185740111_TE_item
 

Sven Normansson

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Phil Dixon
yes, you are correct. you don't need 2 and SAM didn't have a crossover built in. I have a FF in mine and 2 way coaxial in the head. Don't go for stupidly high wattages though as they'll be under driven.
 

John Taylor

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Oct 15, 2013
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Thanks for the recommendation @Sven Normansson for the speaker from Amazon... put in my SM today.... Looks a bit better than the original Stern effort

Anyone got any recomendations for 6inch cabined speakers for Bally / Williams ?

Picture After/Before


1581270361207.png
 

Sven Normansson

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Phil Dixon
You really need to alter the balance with an l-pad attenuator to send more of the signal to the woofer. You'd then turn up the volume to drive it. You'd get one in a ready made kit.
 
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Pick Holder

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Jul 18, 2016
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I’ve fitted three of those very subs in different pinballs. I usually change the top speakers as well with 4 ohm drivers and stick an 8 ohm 25watt wirewound resistor in series with the top speakers.
Never had an issue.
 

M4carp

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David
Try and choose a speaker with a higher sensitivity, it will be louder for the same input.
You are looking for higher dB levels usually measured 1w@1m.
 

Neil McRae

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Neil McRae