Think these are useful -- huge xformer?!

[rif]

Stumbled into this on ebay.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=4665&item=3826720178&rd=1

I'm in no way affiliated, just curious if I should bid on a pair.

 

[sam9]

Yes . .. I think . . .

There is no reason I can think of a 208V primary cannot run off 115-125V mains. That would get you + & - 60-65Vac out of the secondary. Even if there is no center tap on the secondary there are ways to create a 0V point when the rest of the PS is built. the resulting DC rails would be approximately 85V. This in turn would be about right for a 400-450W amp. The VA rating od 1.9VA would be ample for two channels even with ohm loads although a contiuoues max power sine into 4-ohms might be pushing it.

Anyway, it is good for something if one if up to the challenge. I'm not but others here are.

 

[Frazzled]

Hell I just purchased two, I mean c'mon for $20 how can you go wrong?

Now watch the shipping be $600. EEEEEK!

 

[sam9]

If you can't make an amp from them, at least you have some unique door stops.

 

[SmarmyDog]

Thanks rif!

I'm only eight miles away from them and I ALWAYS need spare doorstops here at the shop. I think I'll jump on it.

-Casey Walsh

 

[Frazzled]

WOW... all 30+ transformers are gone already.

I thought about them over dinner and considered picking up a few more and some of the 625VA ones he had but I guess when you snooze you lose!

 

[SmarmyDog]

Not to fret. I think he's got a bunch of 'em. I noticed he has listed these frequently in the past. If I snagged the last of them I can set you up with a few of each for what I paid ($10 each) plus UPS ground shipping. We DIYers gotta stick together.


-Casey Walsh

 

[Frazzled]

Not to fret. I think he's got a bunch of 'em. I noticed he has listed these frequently in the past. If I snagged the last of them I can set you up with a few of each for what I paid ($10 each) plus UPS ground shipping. We DIYers gotta stick together.


-Casey Walsh

Ahhhh a friend with parts is a friend indeed!

 

[Mr Teal]

I bought two of these montrosities a few weeks ago. They aren't here yet so I can't test the voltages, but I'm planning on using two of them for a beastly +/- 90V, 2 ohm stable version of Rod Elliot's P68. I figure that should power a 2x6 cab nicely.

 

[Mr Teal]

What a coincidence, I just got them today. These things weigh a tonne. NL voltage is 69.5VAC when hooked to 115VAC. Did I mention these weigh a tonne? Here's some pics...

An externally hosted image should be here but it was not working when we last tested it.

An externally hosted image should be here but it was not working when we last tested it.

 

[Frazzled]

How much did he charge you to ship to Canada, and what service did he ship them with?

 

[Sch3mat1c]

If you want to use them to their full VA, connect to 240V (get, or install yourself, a stove circuit or whatever wired) and use a 32V buck transformer.

Tmi

 

[SmarmyDog]

I planned on de-rating them about 10% and wiring them backwards for some regulated 250VDC power supplies.

PS: I still haven't heard from the seller...

-Casey Walsh

 

[Mr Teal]

S&H on them was USD$49.75, so USD$70 for 3.8kVA of transformer. Not too shabby.

 

[jackinnj]

Not to fret. I think he's got a bunch of 'em. I noticed he has listed these frequently in the past. If I snagged the last of them I can set you up with a few of each for what I paid ($10 each) plus UPS ground shipping. We DIYers gotta stick together.


-Casey Walsh

just a parenthetic )( note -- shipping to US to Canada is cheapest via the USPost Office -- with FedX and UPS there is sometimes an expediter involved which will crush you.

 

[Frazzled]

S&H on them was USD$49.75, so USD$70 for 3.8kVA of transformer. Not too shabby.

I was saving to purchase two transformers for a project, over $400 from Plitron, these will work perfectly and for 1/4 of the price. NICE!

PS: I still haven't heard from the seller...

-Casey Walsh

I also haven't heard from the seller yet

 

[sam9]

Speaking of transformers, not the manufacturer's name on this one.


http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=4665&item=3825983924&rd=1

This must be where The Coyote gets his!

 

[Frazzled]

What a coincidence, I just got them today. These things weigh a tonne. NL voltage is 69.5VAC when hooked to 115VAC. Did I mention these weigh a tonne?

Mr Teal would it be too much to ask for you to take a picture of the label on one of those trafos?

Thanks

Also if this guy expects to be paid within 10 days of auction end, then I think he should be in a hurry to contact us and/or the 10 day period should start when he finally contacts us. It bothers me to no end when these sellers take forever to contact buyers... ARG!

 

[Mr Teal]

But of course.

 

[Frazzled]

But of course.

Thank you kind Sir.