12" Black Widow - Rehab

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netrecce
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12" Black Widow - Rehab

Postby netrecce » Sun Jul 16, 2017 1:50 am

The 12" Black Widow (1201-8) finally quit in one of my 1245 Floor Monitors (1980's).
Problem was simply deteriorated foam in the breather. Coil looked good.
Removed the magnate... and cleaned out foam debris.
Whoo Hoo! Another easy fix!
:D

Peavey - 1245 Montor.jpg
Peavey - 1245 Montor.jpg (28 KiB) Viewed 147 times

colliedogboy1
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Re: 12" Black Widow - Rehab

Postby colliedogboy1 » Sun Jul 16, 2017 2:04 pm

Is there any way to replace the foam? It is supposed to keep out the dust--right?

netrecce
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Re: 12" Black Widow - Rehab

Postby netrecce » Sun Jul 16, 2017 7:13 pm

Colliedogboy1:
It appears the foam in the breather hole can be easily replaced once the magnate is removed. And yes, preventing dust and/or debris from getting sucked inside is it's purpose. In my case, I left it out because the 1245 Monitor is a sealed box with no ports and dust isn't an issue. After more than 30 years, it was still clean inside when I opened it up.

I don't know what kind of foam or adhesive Peavey used... or where to get it. On my own (with Rube Goldberg's guidance), I'd most likely sandwich together some foam from a Vacuum Cleaner product and use an Automotive grade adhesive.
.

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thunda
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Re: 12" Black Widow - Rehab

Postby thunda » Sun Jul 16, 2017 8:16 pm

I have used the filters for window unit air conditioners (available at wally world for example) cut to small squares and taped or glued them in place on the outside of the magnet...
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0603Kenny
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Re: 12" Black Widow - Rehab

Postby 0603Kenny » Tue Jul 18, 2017 4:19 am

A foam mike cover works.
Peavey stuff:
2X- DJS sub's (USA)
2X- SP4 BX mains (USA
2X- QW 118's (USA)
IPR2 5000
IPR2 5000 DSP
IPR2 7500 DSP
PV 231 EQ
PV 215 EQ
Feedback Ferret D
XR 1220
2X- PV215's
PVI 4B
MS 212 cab (USA)
PV 14 AT
2X- SP15M (USA)
VIP 3

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Wooferhound
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Re: 12" Black Widow - Rehab

Postby Wooferhound » Tue Jul 18, 2017 2:08 pm

I think that having the foam in there causes more problems than running the speaker without it.

netrecce
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Location: East of Seattle

Re: 12" Black Widow - Rehab

Postby netrecce » Fri Jul 21, 2017 1:30 pm

I really like "Thunda's" solution.
Putting a filter outside the magnate. It will probably just fall away when something deteriorates... and be very easy to see and replace during routine maintenance.
.


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