Suitability of ECL84 tubes for audio - Page 5

lquintas · 15th March 2010, 07:07 PM

Hi phildas

For my PCL84 amp I used Hammond 125ESE OTs. 10 K - 8 ohm connected. They are not very beautiful but they sound very well. They cost 65 $ each. See the characteristics at Hammond Mfg. - Universal - Single Ended - Tube Output Transformers - (125 Series)

phildas · 15th March 2010, 07:20 PM

thanks for the reply!

Any details as to how something like this can be custom wound?

Thanks!

TheGimp · 15th March 2010, 08:42 PM

With great care and some trepidation.

Reading this thread will give you some idea. It takes specialized talent and knowlege to wind a transformer safely and properly.

Choosing an output transformer

tubesteve · 15th March 2010, 09:49 PM

the pentode section of the PCL84 / ECL84 is nice linear in triode mode

lquintas · 16th March 2010, 07:38 PM

Hi phildas

Some time ago I have been also interested in transformers' design and winding and I did some searching in the Web, but it is too difficult for me. Here are some links:

Transformers Part 1 - Beginners' Guide to Electronics

Building an output transdformer for a tube amp

Output transformer design and winding

Good luck

15th March 2010, 09:49 PM	#44
tubesteve diyAudio Member Join Date: May 2009 Location: since 1998 in China as an electronic consulting design and testing engineer	Ecl84 the pentode section of the PCL84 / ECL84 is nice linear in triode mode __________________ The amount of humans is increasing, but the amount of available intelligence remains a constant.

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15th March 2010, 07:07 PM	#41
lquintas diyAudio Member Join Date: Sep 2006	Hi phildas For my PCL84 amp I used Hammond 125ESE OTs. 10 K - 8 ohm connected. They are not very beautiful but they sound very well. They cost 65 $ each. See the characteristics at Hammond Mfg. - Universal - Single Ended - Tube Output Transformers - (125 Series)

15th March 2010, 07:20 PM	#42
phildas diyAudio Member Join Date: Jul 2009	thanks for the reply! Any details as to how something like this can be custom wound? Thanks!

15th March 2010, 08:42 PM	#43
TheGimp diyAudio Member Join Date: Aug 2009 Location: Johnson City, TN	With great care and some trepidation. Reading this thread will give you some idea. It takes specialized talent and knowlege to wind a transformer safely and properly. Choosing an output transformer

16th March 2010, 07:38 PM	#45
lquintas diyAudio Member Join Date: Sep 2006	Hi phildas Some time ago I have been also interested in transformers' design and winding and I did some searching in the Web, but it is too difficult for me. Here are some links: Transformers Part 1 - Beginners' Guide to Electronics Building an output transdformer for a tube amp Output transformer design and winding Good luck

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