Travis Bean Guitars - Unofficial Guitar Resource - Header




» Home
» About
» Blog
» Donate
» Database
» Videos
» Market
» Classifieds
» FAQ
» History
» Photo Gallery
» Repair
» Join
» Contact
» MySpace
» FaceBook



» Join
» Login



» General Discussion
» Beans For Sale
» Mods/Repairs
» Website Discussion
» Forum Rules



»  I have a "single cut" TB1000s
    by ziggyziggyziggy
»  RE:Tb1000s restoration
    by FranKrause
»  RE:Tb1000s restoration
    by HarryB2019
»  RE:Tb1000s restoration
    by pman
»  Tb1000s restoration
    by HarryB2019



»  Blacklevel Embassy
»  Phleg Camp
»  KOWA
»  WIGGLE
»  I,Parasite
»  View All Bands

TravisBeanGuitars.com
Privacy Policy
Terms & Conditions
© 2001 - 2019


  Rattlesnake Cable Company - High Quality Instrument Cables - Made in Montana
Forum :: Mods / Repairs

weird hi pitch feedback issues


  Return to forum index


 Author  Message
giantrobot

PostPosted: 12/11/2007 at 8:22 PM    Post subject: weird hi pitch feedback issues link

I own a 1000s and 1000a but mostly use my 1000a in my band. Recently I have been having a problem where the guitar, when run through my Ampeg V4 has a horrible feedback issue at stage volume, as well as a harsh but barely noticeable "squeal" sound on top of my normal tone. This was not always the case. I tried changing cords, cabs, amps, etc...the only 2 things that seem to work are:

1) going through my wife's bass amp sounds better
2) switch to my 1000s

To make it more confusing, I recently had my tubes and caps replaced on my V4 which ~may~ be when this all started. The problem also only exists when I have my amp set to 3000hz but not on 1000 or 300.

I played a show last night, REALLY loud, with my older 1000s and it was just fine. FWIW, I also tried one of the new Fender Jaguar HH through my rig and it was fine too.

I am guessing that my pickups are bad? They are slightly microphonic as well (i can talk into them and get some sound out of my amp)

Any ideas of what I should do? Also, I am in the Providence/Boston area...if there is a TB wizard out here.

Back to top


Disclosure: Any links to eBay or Amazon.com are affiliate links. Affiliate links may provide commission payments to the site based on purchases.

thatdamnedfly

Joined:
19 Feb 2008
Posts: 8
PostPosted: 02/19/2008 at 6:56 AM    Post subject: RE:weird hi pitch feedback issues link

microphonic pickups. take 'em out. soak 'em in wax. there are good tutorials online. do a google search on "potting guitar pickups."

Back to top

View Member Profile

sol

Joined:
05 May 2007
Posts: 11
PostPosted: 02/19/2008 at 12:10 PM    Post subject: RE:weird hi pitch feedback issues link

thatdamnedfly - Would waxing a pickup thats already been epoxied have any effect? I thought TB pickups were epoxied, am I wrong?

giantrobot - are you running through any pedals (of any kind at all) or are you just plugging straight into the amp? Do you use the Hi-mid (3kHz) switch often? Bridge or Neck Pickup?

Do you have an squeal issue
1 - With your 1000A through any amp (excluding your wifes bass amp)?
OR
2 - With your 1000A through your V4 (only) with the mid switch set to 3kHz?




Back to top

View Member Profile

thatdamnedfly

Joined:
19 Feb 2008
Posts: 8
PostPosted: 02/19/2008 at 1:39 PM    Post subject: RE:weird hi pitch feedback issues link

i don't know if tb pickups are epoxied, but i do know that what it sounds like he's describing is microphonic feedback. and if it's the same through different amps (w/ the exception of a bass amp) then it's probably in the guitar.

it could be loose wires in the pickup causing it. it could be the steel baseplate causing it if it's come loose. it could be a loose magnet.

if the pickup is epoxied, then fixing the problem will be a pain, that is if it is the pickup.

the last time i diagnosed a microphonic pickup i eq'ed the amp 'til the squealing stopped. then held the guitar in front of the kick drum. boom. squeal. wax.

Back to top

View Member Profile

giantrobot

Joined:
18 Feb 2005
Posts: 1
PostPosted: 02/22/2008 at 12:55 AM    Post subject: RE:weird hi pitch feedback issues link

Thanks guys-

I will do some experiments in the next few days so that I can answer some of your questions.

Back to top

View Member Profile

fatso3000

Joined:
14 Mar 2008
Posts: 2
PostPosted: 03/14/2008 at 7:21 AM    Post subject: RE:weird hi pitch feedback issues link

i had same problem, so i took it to my local guitar shop which is in birmingham uk, where zakk out of ozzy's band tech works in off times and he did the p'ups for me he dipped them in wax or somethin and now it works fine!

Back to top

View Member Profile

Disclosure: Any links to eBay or Amazon.com are affiliate links. Affiliate links may provide commission payments to the site based on purchases.

PeterCreamer

Joined:
27 Aug 2008
Posts: 18
PostPosted: 11/06/2008 at 1:52 PM    Post subject: RE:weird hi pitch feedback issues link

I am having the same problem on my Bean. I took the pickups out and saw that they are indeed epoxied.

How can you go about fixing this.


Back to top

View Member Profile

gtrshp

Joined:
01 Feb 2008
Posts: 21
PostPosted: 11/07/2008 at 8:42 AM    Post subject: RE:weird hi pitch feedback issues link


no problem with the standard?
problem with artist started when you re-tubed the ampeg?
do you have this problem with both pickups? if so it seem unlikely that they both deteriorated at the
same time.

do you use any kind of overdrive or distortion pedals? if so, how does the pedal(s) being on or off effect it...?

do you have another amp to try it out with?

at most, you could re-pot the pickups w/ wax like was already suggested. I wouldn't do much more than that. I wouldn't even do that until you troubleshoot the entire arrangement a bit more...



Back to top

View Member Profile

Save Up to $75 Instantly at MusiciansFriend.com

  Return to forum index