Search found 8 matches

by Bigbear
Mon Dec 13, 2010 10:03 pm
Forum: Technical Discussion
Topic: Gibson Skylark(GA-5) 1960 filter cap.
Replies: 29
Views: 12776

Re: Gibson Skylark(GA-5) 1960 filter cap.

Just a word to say thanks guys, Replaced cap with a little yellow vishay 630v 22nf and all pot scratching is gone......this little guy is good to go!!! Unbelievable how quiet this thing is even with single coils(standing at the right angle of course!) Hard to think what I paid for this guy and all i...
by Bigbear
Sun Dec 12, 2010 10:03 pm
Forum: Technical Discussion
Topic: Gibson Skylark(GA-5) 1960 filter cap.
Replies: 29
Views: 12776

Re: Gibson Skylark(GA-5) 1960 filter cap.

Hi,
I've measured DC on the right lug(looking at back of vol pot),it measures 8.65v at min volume and 2.58v at max volume.
Does this suggest dodgy cap??
Cheers,Bigbear.

Also got DC on the middle lug 2.70v at max vol, 0v at min vol.
by Bigbear
Sun Dec 12, 2010 8:43 pm
Forum: Technical Discussion
Topic: Gibson Skylark(GA-5) 1960 filter cap.
Replies: 29
Views: 12776

Re: Gibson Skylark(GA-5) 1960 filter cap.

Thanks for the tip on checking for DC,can I do this using just a DMM?????
Cheers,Bigbear.
by Bigbear
Sat Dec 11, 2010 10:59 pm
Forum: Technical Discussion
Topic: Gibson Skylark(GA-5) 1960 filter cap.
Replies: 29
Views: 12776

Re: Gibson Skylark(GA-5) 1960 filter cap.

Hi Guys, I'm back.....finally got the parts and time to do a bit of work to this little beast. Got some RIFA 22uf managed to secure them to the sockets(not an easy job!)there seemed to be the remains of a lug through the chasiss(maybe the original ground lug for the filters??) so I drilled a hole th...
by Bigbear
Wed Nov 24, 2010 11:08 pm
Forum: Technical Discussion
Topic: Gibson Skylark(GA-5) 1960 filter cap.
Replies: 29
Views: 12776

Re: Gibson Skylark(GA-5) 1960 filter cap.

Hi Phil, Many,many thanks for your lengthy reply.The internet is a great place when complete strangers are willing to help one another out! Your right I'm in the U.K.,we run 240v over here so today I got a friend to check out the transformer and he reckons its the 110v original but said it tests OK ...
by Bigbear
Tue Nov 23, 2010 10:05 pm
Forum: Technical Discussion
Topic: Gibson Skylark(GA-5) 1960 filter cap.
Replies: 29
Views: 12776

Re: Gibson Skylark(GA-5) 1960 filter cap.

Hi Phil, And many thanks for your comments and offer to help me get this thing going. I have had enough experience to do this......got a multimeter,can discharge caps,solderings not too bad,have replaced bits and pieces through the years. My only concern with soldering directly to the sockets is tha...
by Bigbear
Mon Nov 22, 2010 10:01 pm
Forum: Technical Discussion
Topic: Gibson Skylark(GA-5) 1960 filter cap.
Replies: 29
Views: 12776

Re: Gibson Skylark(GA-5) 1960 filter cap.

Thanks for your comments guys, The amp is indeed an earlier blond tolex model 1960,6v6,5y3,12ax7,as you say.Ive uploaded a couple of pics of the chassis. I can't see where the filter caps(s) may have been attached to the chassis the only hole I see is where the OT is at the rear(in the pic the hole ...
by Bigbear
Mon Nov 22, 2010 12:38 pm
Forum: Technical Discussion
Topic: Gibson Skylark(GA-5) 1960 filter cap.
Replies: 29
Views: 12776

Gibson Skylark(GA-5) 1960 filter cap.

Hi Guys, Hello to you all,first post here so be patient please, I just picked up an old Gibson Skylark 1960 ga-5.The one with blond Tolex and brown grill cloth. I got it at a car boot sale as non-working.I've had it looked over by a friend who tells me the filter cap is missing other than that its g...