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Post subject: I am dissapointed Fender!!!! Fender Twin Amp Problem.
Posted: Tue Oct 19, 2010 4:46 am
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Hi all,

Mid August this year I purchased a brand new 2010 Fender Pro Tube Twin Amp.

Up until a week ago it was operating just fine.

But when I started it up I could hear a very loud hum coming from the amp. Immediately my guts just felt sick. Hoping it would dissapear I plugged in the Strat and played for approxiamtely 20 minutes to hear no change with the hum.

With curiousity one at a time I tweaked each knob on the amp and when I got to turning the reverb past 4 it emitted a strange feedback.

At this point I switched off the amp and cursed. I contacted the GC contact of mine who sold me the amp and he requested I take it to him for inspection.

He suspected a Microphonic tube which was actually my suspicions but I kept my mouth shut.

Anyway he immediately authorised through Fender Australia repair through our local authorised Fender repair guy. I was happy with that.

Upon dropping off my amp to the repair guy I advised him that I had a Rehearsal Monday (yesterday) a rehearsal tonight, a private coorperate gig this Wednesday, rehearsal Thursday and Friday, 2x Gig's Saturday and 2x Gig's Sunday.. Sorry I had to tell you :P

So he got the point that I needed the amp quite urgently.

Anyway I dropped it off to him last Friday and he called me the next day saying that I could pick up the amp...

I was shocked at his repair speed. Great turn around.

My problem with the amp was as advised by the amp tech (Repair Guy) in his words.

The amp had 3 blown pre amp valves, the reverb tank had to be seperated from the body of the amp byplacing some rubber gromets between the tank and the amp. Apparently that will assist the reverb tank with shock absortion from the speakers. This was causing the Reverb feedback. Also the solder on two of the 4 power tubes were dodgy because apparently they are done robotically. He re solder all 4 power tube socket joints.

Feeling shocked but happy with the quick repair I slipped him a nice drop of Merlot.

I got the amp home today and it sounded normal again... I breathed a sigh of relief. :)

However when I unplugged the strat and plugged in my Gibson SG, whilst playing I could hear what sounded like springs rattling in the amp.

I am suspecting that this noise is the springs that hold the preamp valves into their sockets. This is a minor issue compared to the other matters however still annoying.

I will plugg away at it.

Just though I would share this with you. I still do very much love the amp, I am just pissed off that it is in the top end of Fenders amps and I am having to deal with this crapp...

I will let you's know how it performs at my next 5 shows.. I will be taking a back up amp though.

Below is the attachment of another posting of how proud and excited I was to own this amp, maybe with luck and good fortune preventing further malfunctions of this Amp It may return that adrenaline of it's Fender Soul into my blood.

http://www.fender.com/community/forums/ ... highlight=


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Post subject: Pro Tube Twin trouble
Posted: Tue Oct 19, 2010 12:25 pm
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Man that sucks, having trouble with a brand new amp. Sounds like you came out in pretty good shape though, quick warranty repair, plus the extra confidence in the solder joints. Even the absolute best amps will have the occasional problem child. I agree with "Garp", it has been "pre-disastered" now, and the odds are that it will be trouble free from now on. :D For the "spring rattling" noise that you hear, it might be the tube covers, but if not, try unplugging the reverb tank output just to see if it isn't the reverb springs. Or maybe even put something heavy on the tank to reduce vibration, the tank mounting screws shouldn't be too tight with the shock-absorbers, just a thought or two. :idea:

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Posted: Tue Oct 19, 2010 2:57 pm
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Return the amp for repair on warranty. Even the best tech could make mistake or forget something to fix the first time.

IMO you should always have second amp for spair AND to road test your amp before guig with after visiting a tech.


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Post subject:
Posted: Tue Oct 19, 2010 3:17 pm
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It is not normal that this repair is painfull for you. It should be the opposite. 7ender should give you an amp during the repairing and really take care of the quality of the repair; This because, all of us can understand for a bad components or a dry solder joint. But what is really unacceptable is the second immediate issue ! It is the 7ender image !

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Posted: Wed Oct 20, 2010 2:37 am
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Tissan, good idea to use the seven (7) for Fender name : 7ender. You have great imagination.


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Post subject:
Posted: Wed Oct 20, 2010 5:09 am
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Tissan wrote:
It is not normal that this repair is painfull for you. It should be the opposite. 7ender should give you an amp during the repairing and really take care of the quality of the repair; This because, all of us can understand for a bad components or a dry solder joint. But what is really unacceptable is the second immediate issue ! It is the 7ender image !


Fender won't give anyone a loaner for a warranty issue LOL. If they did, they'd never have any new amps to sell. Sometimes the dealer who deals with professionals will if you're a good customer as a courtesy.

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Post subject:
Posted: Wed Oct 20, 2010 5:11 am
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Tissan wrote:
It is not normal that this repair is painfull for you. It should be the opposite. 7ender should give you an amp during the repairing and really take care of the quality of the repair; This because, all of us can understand for a bad components or a dry solder joint. But what is really unacceptable is the second immediate issue ! It is the 7ender image !


Fender won't give anyone a loaner for a warranty issue LOL. If they did, they'd never have any new amps to sell. My HRDlx hit the shop six or seven times and nobody cared at FMIC because they supply the labor and parts for free. They don't care how many gigs you have lined up. That's why I always have backup equipment with me. Sometimes the dealer who deals with professionals will if you're a good customer as a courtesy.

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Post subject:
Posted: Wed Oct 20, 2010 6:01 am
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hate to hear about that bro~
My twin~amp had a hiccup twice, but it was very brief and i'm not sure what caused it. I do have a bad or dirty outlet (haha) on one of my walls, so i always make sure when i am playing at home, i use the other outlets & i use a furman.
description: i was playing & all of a sudden the amp made this super loud buzz/cables crossed noise for about 1 second only, then all was fine. no smell or anything. I always change my tubes when they need and make sure the balance adj. is correct. Maybe it was a solder joint that is not quite right somewhere.
I live around Jacksonville, FL & i need to find someone i can TRUST to take it to so they can comb thru it & find ANY matters that need attention.
Mine is 6 yrs. old and it has done this twice.
AGAIN it may be just that certain electrical outlet in my house.
I have a XXX 2- 12" combo for a backup. Always 2 tube amps ~

HOPE your Elanor is good to go!

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Posted: Wed Oct 20, 2010 8:33 am
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G'day everybody, I just got home from my gig at the National Wine Centre and I am knackered tired. I used my Blues Deluxe RI and took my Blues Junior as a back up. Great gig that went really well.

Thanks heaps for your replies...they are very much respected and appreciated.

Hi Shimmilou, Mate I spoke to the amp tech yesterday about that spring rattle noise and he suggested that it may be the preamp tube cannisters that have the springs in them to hold the tubes into their socket.

I would say some looking at this may cure my problem. He was sure that they were the problem when I told him it only happens on the low notes when played. :(


Hi stratele52, Mate I was told by my amp tech to take it back to him asap so that he can sort out the spring rattle noise under warranty. :)

Hi Tissan, well I agree. it is one thing to experience this problem but another to see that I have not recieved a phone call from anyone at bender to give me some customer support and assurance of some service delivery when needed. :evil:

G'day 63supro, Mate I was offered by my contact at GC a loan amp of the same Fender Pro Tube Twin Amp but I kindly rejected it because I told them I didn't want to be liable for another amp that may with my luck fry on me. This was only offered by the Seller. they were great in organising things for me. :D

Hi Twirlyboggs, Brother let me tell you... I have advised my brother of my problems, he has one exactly the same...so he is going to have the repair mod adjustments made to his Twin as well... This appears to be a design fault with the power tubes frying the solder in their sockets and the reverb tank being fixed direct with no suspension to the amps panels.

Thanks Again Guys. I have 4 outdoor festival gig's this weekend to which I will be using my Twin. I will let you know how I go. I will have a back up just in case though..

Cheers. :wink:


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Post subject:
Posted: Wed Oct 20, 2010 11:12 am
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wow, thank YOU !!

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Post subject:
Posted: Wed Oct 20, 2010 11:35 am
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63supro wrote:
Tissan wrote:
It is not normal that this repair is painfull for you. It should be the opposite. 7ender should give you an amp during the repairing and really take care of the quality of the repair; This because, all of us can understand for a bad components or a dry solder joint. But what is really unacceptable is the second immediate issue ! It is the 7ender image !


Fender won't give anyone a loaner for a warranty issue LOL. If they did, they'd never have any new amps to sell. My HRDlx hit the shop six or seven times and nobody cared at FMIC because they supply the labor and parts for free. They don't care how many gigs you have lined up. That's why I always have backup equipment with me. Sometimes the dealer who deals with professionals will if you're a good customer as a courtesy.


I wouldn't expect FMIC to give 63pro a loaner HRD amp either.
How would they make any money with all those R&Rs (returns and repairs)?

Hey supro, what year did you get the HRD amp and in what space of time were the 6 or 7 repairs done?


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Post subject:
Posted: Thu Oct 21, 2010 6:38 am
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63supro wrote:
That's why I always have backup equipment with me. Sometimes the dealer who deals with professionals will if you're a good customer as a courtesy.


Yup. Guitar, strings, tubes, amp...never be without a backup for any part of your rig!


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Post subject:
Posted: Sat Oct 23, 2010 6:22 am
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Hey all,

Well today was judgement day for my Twin after the Amp Tech repairs and mod.

After a great show with the Twin I quickly forgot that it had been the subject of repair. "Tone, Tone, Tone" :twisted:

I played my outdoor festival gig with the Twin and omg I am back in love again. :D

It held up well for 90 minutes of Rock N Reggae and as I expected I am back in the Twin Business. :lol:

Thanks Frank, good amp repair work. :wink:


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Post subject:
Posted: Sat Oct 23, 2010 9:44 am
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My 65twin recently broke, the normal channel on it doesent work at all. everything else inside it works though.

Nobody uses the normal channel anyway....

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Post subject:
Posted: Tue Oct 26, 2010 6:07 am
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twirlyboggs: I saw the picture--it looks like you have a fender twin and a PRS hollowbody, which is exactly my setup. My twin if 5-6 years old. I'm having a loud hissing/hum problem when i crank the gain above 3 or 4. Just had all tubes etc replaced and fixed footswitch. Plus i had the PRS electronics cleaned up too. My tech found loose solder joints in the Twin and fixed them. However, the loud hiss/hum is still there....
Jeff


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