700B on the auction site

premiumplus

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#1
Hi guys,
Just spotted a working 700B on evilbay. There's a little over 5 hours left, and only one bidder at 399 so far.
I'm thinking about going for it, but I don't want to get in a bidding war with other forum members.
Please let me know if you're the bidder or are interested in going for it, and I'll stay away. If I do get it I'm going to do a fully comp WOPL job to her...
Thanks!
 

laatsch55

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#4
There was one that went for 270.00 yesterday. A non-worker but looked great.
 

Skynyrd77

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#5
Damn Bro... your on a tear! I am still hoping for my 1st one for a 50th Birthday present * wink* and you have 3 or 4 of them already :shock:

:mrgreen:
Im a finder lol. I only get 1 lmao!! Don't worry Ron one will show itself! All 3 plus the 400 I scored are all spoken for. I pulled 1 from New Jersey 1 from Washington and a 700 and a 400 in Arizona . Lol. I'm been on the hunt!!
 

laatsch55

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#7
We don't care about anything on the inside, they are totally gutted anyway.
 

premiumplus

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#10
I may pass on it, it isn't that purty. I smell over $750 on this one, the bidder is new and he may be determined...
 

laatsch55

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#13
Good to know! Didn't that one have a bent transformer or something ? That's what scared me off!!
Jase, bends don't mean anything either, and if the amp has been dropped so hard the laminations on the transformer are skewed, that's ok too. Ya just loosen the bolts and tap em back in line....
 

premiumplus

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#14
Jase, bends don't mean anything either, and if the amp has been dropped so hard the laminations on the transformer are skewed, that's ok too. Ya just loosen the bolts and tap em back in line....
Only one word of caution here...
As long as the laminations aren't electrically shorted. I've seen transformers dropped and the laminations end up jammed together, causing a short. If they're damaged to where they short out, you end up with large eddy currents and increased core losses. It would be the same thing as making the core out of a big chunk of iron instead of the sandwich construction that we all know and love...The end result is an overheating transformer, and that can vary from annoying to catastrophic.
As long as the damage is limited to the bell housings, and the laminations and windings aren't bent up, you're good to go. But rusty or deformed laminations are a red flag. The rusty laminations end up shorting out in the end, and we're back to overheating.
 

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#15
If they're just out of line and the shellac is still there ya good to go though. Dave, I've never seena nad PL transformer, and in all of Ed's time he's only seen one. On a D-500.
 

premiumplus

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#16
If they're just out of line and the shellac is still there ya good to go though. Dave, I've never seena nad PL transformer, and in all of Ed's time he's only seen one. On a D-500.
Very true, it's rare. But it does happen, just something for the nit-pickers like me to look out for...I have noticed that the PL transformers are usually very clean. They must have used good shellac, or a couple of coats. Quality hardware.
The bad ones I have encountered were on guitar amps, where the builders used the cheapest stuff they could find.
 
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