(Topic ID: 134783)

What size is a Stern Nineball speaker?

By patrickvc

8 years ago


Topic Heartbeat

Topic Stats

  • 11 posts
  • 7 Pinsiders participating
  • Latest reply 5 years ago by KenLayton
  • Topic is favorited by 3 Pinsiders

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#1 8 years ago

I kmw it's 8 ohm, however how do you measure the physical size. Do you measure across the studs?

#2 8 years ago

http://www.parts-express.com/pyle-pdmw6-6-1-2-mid-woofer--292-204

This is a direct drop in replacement. At the bottom of the page are all the specifications.

#3 8 years ago

I don't know much about speakers. Will an old Stern soundboard drive that without issue?

#4 8 years ago

I have a Meteor, Galaxy, Cheetah and Star Gazer that have been doing it for years.

#5 8 years ago

Cool, I may get one for my Meteor.

#6 8 years ago

Thanks. Just bought 3 to update my sterns

#7 8 years ago

I have this one in one of my machines right now and would not buy another one.

http://www.parts-express.com/dayton-audio-dc160-8-6-1-2-classic-woofer--295-305

It's a great speaker and is more than enough for home use, but at a show it's not loud enough to be heard. It's much less efficient than the ones you ordered. I'll order the Pyle next time.

#8 8 years ago

Efficiency is everything when it comes to pinball speakers, because the amps are tiny that drive them.

You want to buy a "full range" speaker (if you buy a "woofer" it will probably won't have enough highs for your liking, and sound muddy).

Sometimes the given specs are way off, but if you look in the comments for a product, someone will have actually measured the speaker for real.

For instance, this might look like a great choice:

http://www.parts-express.com/grs-6as-4-6-1-2-dual-cone-replacement-car-speaker-4-ohm--292-456

But when someone actually measured the speaker, it only produced 85db with 1 watt of power - a not very efficient speaker...

Measured Specs:

Re: 3.664 ohms Fs: 82.77 Hz Qts: 1.35 Qes: 1.833 Qms: 5.121 Le: 0.385 mH Mms: 9.854 g Vas: .2431 cuft SPL: 85.18 dB 1w/1M -

These Kenwoods claim to produce 93db at 1 watt, so MUCH louder (but you might want to wait until someone independently tests them, manufacturers have been known to outright lie....) :

http://www.parts-express.com/kenwood-kfc-1665s-sport-series-6-1-2-2-way-speaker-pair--267-4327

#9 8 years ago

Can anyone tell me which of the wires is positive and negative? I have a green/ white and a green/yellow. I didn't see it in the schematics.

2 years later
#10 5 years ago
Quoted from schudel5:

http://www.parts-express.com/pyle-pdmw6-6-1-2-mid-woofer--292-204
This is a direct drop in replacement. At the bottom of the page are all the specifications.

I live near parts express and picked a couple of these up this afternoon and installed them in a Meteor and Nine Ball. So far, I'm happy with them after a couple games on each, I need to give them more demo time. Extremely easy install, nothing to modify.

#11 5 years ago
Quoted from patrickvc:

Can anyone tell me which of the wires is positive and negative? I have a green/ white and a green/yellow. I didn't see it in the schematics.

Green-yellow is positive. Green-White is negative.

The speakers in this thread work well for classic Stern games:

https://pinside.com/pinball/forum/topic/new-6-inch-speakers-found

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