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Fender 2/12 frontman guitar amp loud humming noise very low guitar volume gol 50 volts dc coming off speaker leads Ithink. It could be ic s??

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Posted on Jan 02, 2017

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SOURCE: fender M-80 electric Guitar Amp.

You might have a ground problem. Does it do it in different outlets or when you take it to someone else's house? One easy solution to ground problems can be running a three prong to two prong adapter on the power cable. Give that a try and see if it helps.

Posted on Nov 10, 2008

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SOURCE: guitar amp wont work

Probably a capacitor on the printed circuit board,,, same thing happened to my deluxe..... easy fix for an amp technician,,,

Posted on Dec 27, 2008

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SOURCE: Fender Frontman 65R Solid State guitar amp.

There is a protection thermistor in the circuit to keep it from over-heating, this is why it works again when it cools. Check and make sure you are not covering any ventilation holes, or if the unit has a fan, make sure it is working.

Posted on Aug 22, 2009

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I left my fender frontman 65r on for over a year and yesterday a gentle hum for a few seconds then a loud hum for a few seconds more then no more power to the unit. I opened it and troubleshooted it around...


Why was it on for over a year :D Has anyone replaced the fuse? In the service manual I found it has to be only 2 Amps! Okay let's solve the problem. The power transformer was overloaded which caused the broken winding. It is still overloaded what can be heard by the hum sound. First thought was to check main capacitors or better just replace them! If the hum gets louder, they might also become warm. Check voltages after bridge rectifier and smoothing circuit. They should be +/-42 V (TP3, TP4) and +/- 16 V (TP5, TP6) Let me know which of them is faulty Cheers

Feb 11, 2013 | Fender Frontman 65R 65W 1x12 Guitar Combo...

2 Answers

When I turn amp on there is a loud humming that does not stop.


try plugging into a different socket if that doesnt solve problem you may need to replace cord. sounds like a loose neutral in socket though.

Dec 01, 2012 | Fender Frontman 212R 100W 2x12 Guitar...

1 Answer

Fender hot rod deville 212 111. On the 2nd and 3rd distortion chanels the noise coming out of the speaker is very loud. Is this normal? Hard to play through the noise.


Hi. If the volume and drive levels are considerably low but you still hear a noise, you may want to consider trying a different guitar cable. The noise may be coming from a ground loop which is being amplified and overdriven by the amp itseld. I hope this helps. :-)

May 29, 2011 | Fender Musical Instruments Corporation...

1 Answer

When I plug in my guitar to the Fender Frontman 64R Amp and I just barely move the cord, it make this really loud screeching type noise. It's not an old amp; I got it about five months ago. I can't...


Yes, there are several possibilities. First thing is to disconnect your guitar and then plug in the cord to the amp. Expect a bit of hum. If it screeches, then problem is not feedback via the guitar. If it doesn't MAYBE your guitar is "hearing the amp" which the guitar is then a microphone and can feedback. Moving the cable generates electrical noise which can trigger the feedback to start.
If you get the screech without the guitar connected, then TRY a new guitar cable. Make sure it is an INSTRUMENT cable... I have seen some try to use speaker cables or junky 1/4 inch cables intended for home stereo... these will NOT work and can cause the feedback. The next possibility is a broken jack on the amp. This would require repair. The common cause of this is to fail to run the cord through the handle of the amp... one trip on the cord or step on it pulling the plug sideways in the amp and the jack is broken and it is a trip to the shop as well. While on the subject ALWAYS run the cord at the guitar end either through the strap or your belt loop. Cords left dangling keep rotating and soon wear out the plug and also the jack in the guitar and then that has to go to the shop.

May 16, 2011 | Fender Frontman 65R 65W 1x12 Guitar Combo...

1 Answer

When I turn on the amp, I get a loud hum. plugging into the jack doesn't change anything. turning the dials doesn't change anything. when I turn off the amp it makes a loud crack.


i) Disconnect one lead of loudspeaker & insert an open-ended guitar cable into headphone socket.

ii) Put a dc voltmeter across open end jack then turn Frontman ON for a few seconds.

iii) The reading should be about 0volts - if the voltage is high (27v), then it is likely that the PA chip TDA1514A has blown.

iv) If,however, the voltage is correct in iii) , then reconnect speaker & put guitar cable into the POWER AMP IN socket & connect other end to guitar...Turn on briefly, if there is still hum then fault is in the output stages & will require chassis removal to solve.

Feb 23, 2011 | Fender FrontmanTrade 25r Combo Guitar...

2 Answers

Generates buzzing noise even when only cable is connected to it. No cable - no noise.


If you are saying that you are plugging a guitar cord into an input on an amp without the guitar on the other end and you are getting a hum or buzz with the volume turned up ; that is normal. If you are getting the same results with a guitar plugged in it means the ground wire to your output jack on your guitar is broken. Check your cord with a volt ohm meter for continuity on the tip on one end to the tip on the other end. Do this for the sleeve on one end to the other. If you were getting the buzz without a cable it would mean that your input jack in your amp has a broken ground connection. Hope this helps.

Jul 04, 2009 | Fender Frontman 65R 65W 1x12 Guitar Combo...

3 Answers

When i turn on my amp it makes a loud beeeeeeeeeeeeeeeep.


Turn the volume down.
Check your gain.
That should solve it.

Feb 05, 2009 | Fender Frontman 65R 65W 1x12 Guitar Combo...

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