SE Output Transfromers Question

ianc13 · 23rd August 2006, 04:57 PM

Hi,

I am thinking of starting a new project, maybe a DRD PX25 amp - with the TJ PX25's (at least at first, maybe migrate to NOS if I win the lottery!).

I am trying to figure out what output transformers to go with for the project and then work from there. Running the PX25 at around 62.5mA and then around 10mA for the driver I will need at least 75mA (and most likely a bit more) at around 5-5.5K primary impedance.

I was wondering if anyone had any comments about the follwoing types of output transformers:

AudioNote C core TRANS-320
Hashimoto H-30-5S
Lundahl
James 6123NT (Nickel core)
Automatic Electric - C core

Any thoughts on the transfomers/companies? Any other transformers that I should be considering?

Thanks,

Ian

jlsem · 23rd August 2006, 06:32 PM

Quote:

I was wondering if anyone had any comments about the follwoing types of output transformers:

AudioNote C core TRANS-320
Hashimoto H-30-5S
Lundahl
James 6123NT (Nickel core)
Automatic Electric - C core

I think you will find that these OPT's are too expensive for most people on this forum. You will probably read plenty about transformers that sell in the $20-$35 range, however.

John

Sherman · 23rd August 2006, 08:42 PM

I've used James 6123HS and found the fit and finish to be superb and the sound excellent. I wouldn't hesitate to try a different model James based on that result. (The price is right too.)

arnoldc · 23rd August 2006, 11:05 PM

I'd like to add the Tamura F-475 (value for money, for me) and the MagneQuest DS-0xx series.

This is based on my experience with them owning both brands.

23rd August 2006, 04:57 PM	#1
ianc13 diyAudio Member Join Date: Oct 2005	SE Output Transfromers Question Hi, I am thinking of starting a new project, maybe a DRD PX25 amp - with the TJ PX25's (at least at first, maybe migrate to NOS if I win the lottery!). I am trying to figure out what output transformers to go with for the project and then work from there. Running the PX25 at around 62.5mA and then around 10mA for the driver I will need at least 75mA (and most likely a bit more) at around 5-5.5K primary impedance. I was wondering if anyone had any comments about the follwoing types of output transformers: AudioNote C core TRANS-320 Hashimoto H-30-5S Lundahl James 6123NT (Nickel core) Automatic Electric - C core Any thoughts on the transfomers/companies? Any other transformers that I should be considering? Thanks, Ian

23rd August 2006, 08:42 PM	#3
Sherman diyAudio Member Join Date: Feb 2004 Location: Chicago area	I've used James 6123HS and found the fit and finish to be superb and the sound excellent. I wouldn't hesitate to try a different model James based on that result. (The price is right too.) __________________ --Sherman

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23rd August 2006, 11:05 PM	#4
arnoldc diyAudio Member Join Date: Apr 2003 Location: Makati	I'd like to add the Tamura F-475 (value for money, for me) and the MagneQuest DS-0xx series. This is based on my experience with them owning both brands.

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