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Post new topic Nashville 112 Cut out during show
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Author Topic:  Nashville 112 Cut out during show
Jeff Metz Jr.


From:
York, Pennsylvania, USA
Post Posted 14 May 2017 7:45 am     Reply with quote

So Last night I was playing a show and during the last set my NASHVILLE 112 Just completely lost all sound. The light stayed on but nothing from the Amp.
I havent dug into it today but Does anybody have an idea of what might be the problem. It was powered on most of the 4 hour show so It could have gotten hot.
Think the output tranny went? Thanks
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Mullen G2 SD10 , Lil Izzy Buffer, Goodrich 120 volume pedal, Boss DD-7, Peterson Strobo flip, Peavey Nashville 112
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Greg Lambert


From:
Illinois, USA
Post Posted 14 May 2017 8:20 am     Reply with quote

Plug a dry cord in the send side of the pre-eq patch. Then plug your steel into the return side of the preeq patch. this should tell you which side of the amp has a problem.
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Howard Parker


From:
Clarksburg,MD USA
Post Posted 14 May 2017 8:23 am     Reply with quote

Start your diagnostics at the guitar and work towards the amp.

h
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Howard Parker

03' Carter D-10
70's Dekley D-10
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Jeff Metz Jr.


From:
York, Pennsylvania, USA
Post Posted 14 May 2017 8:32 am     Reply with quote

Thanks guys but so far Im not getting anywhere with her. Cant get her to make a peep Sad
Guess Ill take it to a tech.
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Mullen G2 SD10 , Lil Izzy Buffer, Goodrich 120 volume pedal, Boss DD-7, Peterson Strobo flip, Peavey Nashville 112
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Ken Fox


From:
Nashville, GA USA
Post Posted 14 May 2017 8:37 am     Reply with quote

On the back of the amp you can plug a cable from preamp out to power amp in. See if that helps
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Steve Hinson


From:
Hendersonville Tn USA
Post Posted 14 May 2017 6:57 pm     Reply with quote

Is there a Molex plug from the reverb tank to the bottom of the chassis?

I honestly can't remember...there was on the Nashville 400,and if it got loose or
dirty,the amp would cut in and out and drive you crazy...

If there is,clean it and put it back on good and tight...

If there ain't...never mind.

Steve
Brand X
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Patricia Goins


From:
Michigan, USA
Post Posted 15 May 2017 3:49 am     N-112 cut out Reply with quote

I agree with Howard, start at the guitar, cords and volume pedal. Jim.
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Mike Brown


From:
Meridian, Mississippi USA
Post Posted 15 May 2017 5:23 am     Amp Reply with quote

Or call me toll free at 1-877-732-8391, ext.1180 with your amp and a couple of extra cables at hand and we will diagnose over the phone.
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Tony Oresteen


From:
Georgia, USA
Post Posted 22 May 2017 8:50 am     Reply with quote

Jeff,

I assume that you don't have a signal generator and an oscilloscope.

Contact your local HAM radio group and ask if they have a competent radio repairman in their club. Most likely they do. See if he/she can run a signal trace for you using a signal generator and an oscilloscope.

Here's the block logic for the Nashville 112



I don't have a Nashville 112 schematic to go any deeper. Contact Peavey and they will send you the schematic.

I'm a HAM (W1AJO) and music amps are not that much different than RF amps from a tool bag perspective.

Good luck!
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Tony
Newnan, GA

Too many guitars, not enough time to play
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Fred Justice


From:
Mesa, Arizona
Post Posted 22 May 2017 9:15 am     Reply with quote

From experience you can't sit a Nashville 112 too close to a wall, those amps have a built in shut-down, when it gets too hot it will shut itself down then come back on when it cools down.
At least 4 to 5 inches from the wall will work. Very Happy
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Tony Oresteen


From:
Georgia, USA
Post Posted 22 May 2017 1:09 pm     Reply with quote

FYI. I sent an email to Peavey Customer service this morning asking for the Nashville 112 schematic and they responded very quickly. The PDF is 2mb and has all the info a tech would need. Here's their email address:

customerservice@peavey.com

This why I love Peavey. Very quick response and they will sell individual parts with no hassles.
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Tony
Newnan, GA

Too many guitars, not enough time to play
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Dale Hampton


From:
Missouri, USA
Post Posted 22 May 2017 1:43 pm     Costomer service Reply with quote

Yes, Peavey has the best customer service that I have ever encountered.
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David Nugent


From:
Gum Spring, Va.
Post Posted 23 May 2017 4:09 am     Reply with quote

Fred may be onto something! Recall that I owned a Peavey 'Prowler' that exhibited those same symptoms each time I played a particular venue. As it turned out, due to space constraints the amp was positioned too close to a wall and would often shut down until it cooled. I installed a small adjustable fan purchased from Walmart and aimed it upward toward the chassis, end of problem.
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Mike Brown


From:
Meridian, Mississippi USA
Post Posted 23 May 2017 6:59 am     Peavey Customer Service Reply with quote

You paid your hard earned money on a Peavey product, and we take care of your needs.

Mike Brown
Peavey Customer Service
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Steven Paris


From:
Los Angeles
Post Posted 24 May 2017 1:01 pm     Reply with quote

Fred Justice wrote:
From experience you can't sit a Nashville 112 too close to a wall, those amps have a built in shut-down, when it gets too hot it will shut itself down then come back on when it cools down.
At least 4 to 5 inches from the wall will work. Very Happy

Quote:
So Last night I was playing a show and during the last set my NASHVILLE 112 Just completely lost all sound. The light stayed on but nothing from the Amp.

Sounds to me like an under-designed heat sink.
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Emmons & Peavey
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Mike Wheeler


From:
Delaware, Ohio, USA
Post Posted 24 May 2017 1:33 pm     Reply with quote

Well, no heatsink can work properly if it can't get enough airflow. The backs of these amps are open for a reason....they need free airflow.
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Best regards,
Mike
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Steven Paris


From:
Los Angeles
Post Posted 24 May 2017 5:41 pm     Reply with quote

Hmmmm....don't seem to ever hear of this being a problem with a Nashville 400...
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Emmons & Peavey
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Mike Wheeler


From:
Delaware, Ohio, USA
Post Posted 24 May 2017 6:36 pm     Reply with quote

Just different build requirements, that's all, Steve.

The NV 400 was built to be a workhorse for the gigging picker. It was made to last thru the rigors of road tours, and work show, after show, after show.

The NV112 was more of a small venue, or even a practice, amp. Not in the same league.
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Mike
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Steven Paris


From:
Los Angeles
Post Posted 24 May 2017 11:24 pm     Reply with quote

Yeah, OK. But I say it's still an under-designed, too-small heat sink if you can't use it unless it's at least 5 inches from the wall.
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Emmons & Peavey
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Howard Parker


From:
Clarksburg,MD USA
Post Posted 25 May 2017 5:25 am     Reply with quote

So much speculation.... Laughing

h
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Mike Brown


From:
Meridian, Mississippi USA
Post Posted 25 May 2017 6:10 am     Nashville 112 Reply with quote

This is not a design problem as this is the very first that I have heard of this "symptom". This amp has been on the market for at least 10 years without problems. A fan is not necessary if there is enough ventilation and the back of the amp is not blocked.
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Mike Brown


From:
Meridian, Mississippi USA
Post Posted 25 May 2017 6:11 am     Nashville 112 Reply with quote

The Nashville 400 was in production for 18 years straight without a fan.
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Mike Brown


From:
Meridian, Mississippi USA
Post Posted 25 May 2017 6:13 am     Nashville 112 Reply with quote

Check your cables.
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Steven Paris


From:
Los Angeles
Post Posted 25 May 2017 7:58 am     Re: Nashville 112 Reply with quote

Mike Brown wrote:
The Nashville 400 was in production for 18 years straight without a fan.

Now THAT's a HEATSINK!!

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Emmons & Peavey
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Mike Brown


From:
Meridian, Mississippi USA
Post Posted 25 May 2017 8:26 am     Heatsink Reply with quote

Eighty watts versus 210 watts is a big difference. We could have put the same heatsink on the 112 as the 400, but it would have been a waste of money that our customer does not need to pay for.

Believe me, we have regulations and guidelines that our engineers are required to follow(spell OSHA) when building amplifiers. Another thing is that we all(as we get older), we prefer lighter weight products.

The thermal "symptom" that was previously discussed was probably due to the lack of airflow and not that the amp is "under designed". If it was, then every Nashville 112 would show this same symptom. Try the amp again, and if it still thermals out, I would say that a tech needs to bench test and repair.
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