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WTB: Output Transformers


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Item: Output Transformers, Single ended
Price Range:
Item Condition: New or Used
Extra Info:

 

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Hi, I am after a pair of output transformers, single ended, specs are, 10 Watts, 3-5 K Ohms, primary and 8 Ohms or 8-16 Ohms for the secondary, vintage preferred. Thanks 

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A strange post for Digital Man...........................just sayin'..............

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  • 3 weeks later...


Someone out there has to have a pair stashed that they never will use...

Keep asking.

 

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On 30/03/2021 at 5:51 PM, LogicprObe said:

 

A strange post for Digital Man...........................just sayin'..............

May have seen the light, so to speak.......may the glow be with you ??

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I chose that user name as all my media, CD’s, DVD’s, Blu-Ray’s, Media Files ect, are all digital based, hence the user name

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2 minutes ago, Digital Man said:

Are you offering them for sale ?

Yes. I don't know much about them but they were hooked up to a bread boarded tube amplifier I found in a shed.

 

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Double C cores.  Very interesting.

 

Might be a little more than the 10W you are looking for...

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I need 15 watt, max, for the EL34’s, do you know any other specs for them ? There’s two of them, right ?

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On 15/04/2021 at 10:10 PM, Digital Man said:

I need 15 watt, max, for the EL34’s, do you know any other specs for them ? There’s two of them, right ?

This is all the info I have. Yes I have two. They are hooked up to a KT90 PP power amp. I believe the trannies are only good to about 12khz.

 

The right pic is a 27kg (60lb) bass output tranny, fully balanced split bobbin.   Yes you read correctly 27kg is possibly the largest output tranny ever constructed.   This output tranny was constructed for experimental reasons.   The Inductance was higher than the test equipment could accurately measure.   The tranny is capable of delivering 1,000 Watts below 10Hz.   However, the practical application is for 4 KT88s in push pull parallel 200 Watts.   These large output trannys can be made available to valve enthusiasts who wish to have the ultimate active sub-bass valve amplifier.

Edited by kelossus
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Hi Guys, Okay, one sale fell through, so, I am still searching, how good are the new rola output transformers made  in Adelaide  ?

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