Mu-Tron III repair, cleaning, calibration

Mu-Tron III repair, cleaning, calibration

Postby gr8fl4295 » Sun Nov 03, 2013 8:56 am

Hey guys,
Just got a Mu III off ebay for cheap, but I'm not sure if it's working properly. Can't seem to get any effects out of it. Seller said it worked fine.
Anyway, I'm curious about sending it off to Richard Lingenberg for the full treatment. Does anyone here have a ball park range for his prices?
Thanks.
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In the strangest of places if you look at it right.
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Re: Mu-Tron III repair, cleaning, calibration

Postby TI4-1009 » Sun Nov 03, 2013 10:24 am

First ya gotta tell us what you found with the OBEL- then we'll tell ya about RL.
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Re: Mu-Tron III repair, cleaning, calibration

Postby gr8fl4295 » Sun Nov 03, 2013 11:52 am

HA!
The OBEL is still not working. The guitar tech here in Austin spent a few hours poking and prodding at the connections, switches, and wires. He could not figure it out.
So, I'll be arranging a drop off with Leo in Dallas in the near future.
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Re: Mu-Tron III repair, cleaning, calibration

Postby TI4-1009 » Sun Nov 03, 2013 12:35 pm

Great! We don't feel so stupid then!

Most reports from people that send pedals to Richard L are that they're real happy and for a tune up, cap refurbish, service it runs around $200.
"Do not write so that you can be understood, write so that you cannot be misunderstood." -Epictetus

First show: 8/16/69 (Woodstock)
Last show: 3/19/95 (Unbroken Chain breakout)
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Re: Mu-Tron III repair, cleaning, calibration

Postby gr8fl4295 » Tue Nov 05, 2013 10:04 pm

Thanks for the info.
Essentially, I bought a non-working Mu off ebay. The guys claims it was working when he had it. He's offered to refund me $100, which is crap, since it will cost $200 to repair, etc.
Decided to get a full refund and send the Mu back to him.

Don't cha let that deal go down, no, no.
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Re: Mu-Tron III repair, cleaning, calibration

Postby seniorpesca » Wed Nov 06, 2013 1:37 pm

That is a bummer. I got lucky and paid 350 for mine off ebay and it sounds great..but it is old as dirt and could really use a tune up im sure
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Re: Mu-Tron III repair, cleaning, calibration

Postby clarkstar » Wed Jan 01, 2014 5:02 pm

Richard's pricing is very reasonable. I had him do a once over on a mu-tron I bought last July that wasn't working right. He charged me $2 for 3 caps; 2 resistors and $39 for labor. I also bought his power supply for $49. It works perfect now. Turn around time was super fast also.
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Re: Mu-Tron III repair, cleaning, calibration

Postby zoooombiex » Thu Feb 06, 2014 11:04 pm

I've had him do two of my III's (calibration + true bypass). I think they were $150-200 all in with shipping.
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Re: Mu-Tron III repair, cleaning, calibration

Postby Pete B. » Fri Feb 07, 2014 9:55 am

Now that most of us are controlling the MuIII with an effects-loop, I'm not sure of the need for the addition of the True-Bypass mod (if you leave it ON all the time), and/or, the bypass-of-the-Gain-circuit mod.
Not sure but I think Richard originally offered those mods for old school usage where you run cords directly from guitar to MuIII to amp with no effects loop, so that the unit itself would not cause a signal Gain variation, and/or turning off the effect would not cause a non-True-Bypass tonal coloration.
'Just a thought to consider.

'All for Richards repair, cleaning, calibration, cap-job, on/off LED, etc....
Highly recommended.

I bought a MuIII from ebay that is cosmetically pristine except for one small chip in the paint, and, the Envelope Filter didn't work at all.
Sent it to Richard.
An Op-Amp replacement and general rehab service brought the unit back to life.
Richard also put the on/off LED (bright-blue) right where that chip in the paint was, making it disappear.
Nice.
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