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FDP Forum / Fender Amps: Vintage (before 1985) / Wiring

macguy

USA

Feb 5th, 2016 07:41 PM   Edit   Profile   Print Topic   Search Topic

If I see a "vintage"...1964-1967...Fender amp for sale and the photos show mostly cloth covered wire but some "plastic" covered wire, does that indicate a component has been replaced?

Thanks,

G

Ironlion

USA

One good thing about music.....
Feb 6th, 2016 07:16 AM   Edit   Profile   Print Topic   Search Topic

Probably...... If it is a blackface, I would say definitely. As things started transitioning to silverface there was much more plastic insulated wire used.

My silverface amp has a bunch of it in it, to include shielded wire, but it's a later model. Others here will be able to pinpoint when the transition happened.


Roly
Contributing Member
**********
*********

Whitehorse Canada

I don't get out much
Feb 6th, 2016 01:25 PM   Edit   Profile   Print Topic   Search Topic

All the Fender amps I have seen are 100% one or the other....not some of both.
Are you saying you are looking into an amp with some of both?

Replacing a component should not require replacing the wires the component is connected to.

Got pictures?

macguy

USA

Feb 6th, 2016 06:59 PM   Edit   Profile   Print Topic   Search Topic

Link below...scroll across to the 2nd from the last photo on the right.

Thanks,

MG

The Red, Brown, Blue and 2 Black wires do not appear to be cloth covered.

(This message was last edited by macguy at 09:04 PM, Feb 6th, 2016)

Roly
Contributing Member
**********
*********

Whitehorse Canada

I don't get out much
Feb 7th, 2016 03:57 AM   Edit   Profile   Print Topic   Search Topic

Hi

Wire-wise everything looks good to me.

The wires on the choke are not cloth covered, that's normal.
What's not normal is....all the blue molded caps have been replaced.
The blue molded caps rarely, if ever fail. Someone has deliberately replaced them.
That means someone crooked got there hands on the amp.
The amp's value is diminished due to the cap swap.
If the replacements are good, it's unlikely that the amp won't sound good.
If you are looking to dicker with the seller, the absence of the stock blue molded caps is your trump card.

cheers


macguy

USA

Feb 7th, 2016 12:17 PM   Edit   Profile   Print Topic   Search Topic

Great information one and all...

Thanks,

MG

amp mad scientist

USA

Feb 12th, 2016 09:56 AM   Edit   Profile   Print Topic   Search Topic

This is true....coupling caps rarely go bad.
People who replace them are misinformed.

But in really old amps...sometimes the caps DO go bad, or at least 1 will go bad.

Changing all the coupling caps- just because they are old- is a mistake.
If somebody does this...it's from lack of experience.

Confirm that a cap IS bad, then replace it.
Otherwise, leave the original in there!


Silverface

Redondo Beach CA

No Chops but Great Tone
Feb 15th, 2016 07:45 PM   Edit   Profile   Print Topic   Search Topic

I agree with comments above. The mixed wire is NOT an issue as the amp has been fully serviced.

BUT it appears that the tech "threw the baby out with the bathwater" and (due to lack of experience) replaced caps that DID NOT need replacing - amateur techs often hear "cap job" and think every cap in the amp needs replacing, which is wrong - or, as mentioned, was a snake that grabbed all the good molded tone and coupling caps.

IMO it's probably some of both here.

Plus IMO the price is FAR too high for an amp that's had many of the tone-generating parts replaced - and he's going to sell it with NO speakers? Sounds like an uneducated seller to me...one who read a couple Gerald Weber books and therefore is an amp expert (ALL solder joints were re-done? Oh, please...dumb). As-is collectability is reduced significantly by the speaker issue.

I've owned several Pro Reverbs - great amps but VERY heavy, VERY loud - really a slightly warmer Twin Reverb. With a blackface you are paying a huge premium for cosmetics IF the amp is all-original - otherwise, buy a "player" silverface for $800 and have a few mods performed - even the MV models can sound close to a BF for less than half the money.



FDP Forum / Fender Amps: Vintage (before 1985) / Wiring




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