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What is the best field coil supply ??

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Posted on October 11, 2015 at 09:12:56
bebop86
Audiophile

Posts: 40
Location: NJ
Joined: June 3, 2003
 Guys I have the Classic Audio T1.4 Speakers that came with the Mastech Generators- I am looking to upgrade the field Coil Generators and am wondering what the best match would be- Thinking of the LM Audio PR-4144 Tungar Field coil supply- Would this be a good match or what other would you recommend- thanks

 

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RE: What is the best field coil supply ??, posted on October 11, 2015 at 12:09:18
hottattoo
Audiophile

Posts: 141
Location: New York
Joined: July 30, 2011
 I have never heard any power supplies you mentioned but use Lambda Lp 531-fm 0-20 volt 5 amp power supplies with great satisfaction. I also have a pair of Lq-531-fm 0-20 volt 8amp power supplies that I will try in the near future. Got them on ebay for less than $200 a piece.

Perhaps some of the tech people here can suggest possible mods to this already excellent power supply.

 

RE: What is the best field coil supply ??, posted on October 14, 2015 at 15:56:56
Steve Schell
Manufacturer

Posts: 1440
Location: So. California
Joined: December 16, 2001
 My buddy Rich and I have found the Line Magnetic Tungar supplies to sound inexplicably though incomparably superior running our Cogent driver field coils at 13.8VDC. I say inexplicably because viewed on an oscilloscope, these supplies put out about 7V of hard triangle waves on a 14V supply, poor regulation for sure! The sound KILLs though, so we manage to just shut up and listen.

 

RE: What is the best field coil supply ??, posted on November 14, 2015 at 16:48:34
bebop86
Audiophile

Posts: 40
Location: NJ
Joined: June 3, 2003
 Any other suggestions- I am thinking of trying the LM tungar power supply but a cost of around $4k for two it is alot of money to hope it will sound better- Any other thoughts would be appreciated- thks

 

RE: What is the best field coil supply ??, posted on November 14, 2015 at 18:56:19
hottattoo
Audiophile

Posts: 141
Location: New York
Joined: July 30, 2011
 Perhaps a search of Steve Schell or Richard Drysdale of Cogent fame can be of some help. Dave Slagle may be able to help since he did some work with the Lowther field coil driver.

 

RE: What is the best field coil supply ??, posted on November 15, 2015 at 08:48:14
David Pritchard
Audiophile

Posts: 227
Location: New Mexico
Joined: February 5, 2008
 John K has his Line Magnetic generators for sale at Audiogon. Talk to him. he will know.

 

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