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Transformer options

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Posted on October 15, 2016 at 16:21:20
Audiogabby
Audiophile

Posts: 358
Joined: June 5, 2000
I'm seriously considering having TAL build me a 2a3 amp but first I need some advice. What would be the best transformer to get from the options listed to begin with. Thanks in advance.

 

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RE: Transformer options, posted on October 16, 2016 at 01:54:11
Frihed89
Audiophile

Posts: 15039
Location: Copenhagen
Joined: March 21, 2005
I think Don Garber is now using Hashimoto OPTs in his 2A3 models (and maybe others), if that says anything.

 

Lundahl LL1663, posted on October 16, 2016 at 02:15:49
andy evans
Audiophile

Posts: 2890
Joined: October 20, 2000
I'm pretty happy with the Lundahl iron I have. I think a higher primary sounds better - the LL1663 is 5K into 8 ohms. LL1664 is 3K.

 

RE: Transformer options, posted on October 16, 2016 at 09:25:29
Audiogabby
Audiophile

Posts: 358
Joined: June 5, 2000
I heard from another builder the best for him to be the Hashimoto too. That may be the ticket. Thanks.

 

list, posted on October 16, 2016 at 17:11:08
Tre'
Industry Professional

Posts: 11846
Location: So. Cal.
Joined: February 9, 2002
James

Hashimoto

Audio Note

One Electron

Sophia Electric

Hammond

Lundahl

Antek


.
Have Fun and Enjoy the Music
"Still Working the Problem"

 

RE: list, posted on October 16, 2016 at 17:24:16
deafbykhorns
Audiophile

Posts: 637
Location: Florida
Joined: October 17, 2003
Don't forget Dave Slagle of Intact

 

That's the list of choices from the TAL website., posted on October 17, 2016 at 08:32:22
Tre'
Industry Professional

Posts: 11846
Location: So. Cal.
Joined: February 9, 2002
It could be that Intact transformers could be requested.

I don't know TAL's policy.


Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"

 

I do not see output transformers on ANTEK's webpage, posted on October 18, 2016 at 06:38:50
Posts: 2857
Location: Atlanta
Joined: December 15, 2003
Contributor
  Since:
November 29, 2011
I assume that is a list of output transformers.

 

RE: Transformer options, posted on October 18, 2016 at 06:50:10
hifipaul
Audiophile

Posts: 657
Location: NY
Joined: December 22, 2008

Another vote for Dave Slagle. Made in USA too.

 

RE: Transformer options, posted on October 18, 2016 at 07:20:52
Audiogabby
Audiophile

Posts: 358
Joined: June 5, 2000
Andy, Is that $5k and $3k for those transformers? My apologies if I misunderstood you.

 

Andy was referring to 5k and 3k ohm loads NT, posted on October 18, 2016 at 13:48:13
Frihed89
Audiophile

Posts: 15039
Location: Copenhagen
Joined: March 21, 2005
NT

 

RE: Transformer options, posted on October 28, 2016 at 16:40:15
banpuku
Audiophile

Posts: 862
Joined: January 19, 2006
Hi,

I purchased a 2A3 from TAL this past summer. I realllllly like the amp. Best audio decision I have made. You can reach me off line if you want to talk about some possible upgrades for your TAL amp.

Regarding transformers, here is what I did and would do:

1. Output transformers: Hashimoto. I really like these

2. Power transformers: I do not like the Hammond that came with the amp. I am going to get a different, hopefully upgraded brand like Lundahl, Electroprint or Magnequest, Dave Slagle or Monolith.

IF you have the money, get want you want the first time around. Don't think about upgrading latter, assuming you have the $s.

Contact me for info: banpuku@mac.com

Pat

 

RE: Lundahl LL1663, posted on October 28, 2016 at 16:42:13
banpuku
Audiophile

Posts: 862
Joined: January 19, 2006
Andy, do you prefer the 5K over a 2.5K? My Hashimotos have 2.5K or 3.5K and I am using 8ohm speaker output. Currently using 2.5K. What is the supposed benefit of 3.5k?

Pat

 

RE: Transformer options, posted on November 21, 2016 at 08:22:05
sony6060
Audiophile

Posts: 610
Location: SE MI
Joined: August 8, 2014
As for power transformers, I use custom wound Heyboer. I always specify M6 laminations.

 

RE: Transformer options, posted on November 21, 2016 at 09:03:56
used-hifi
Audiophile

Posts: 388
Location: portage IN
Joined: March 18, 2003
Link?

some thoughts on why to use higher loading 5K pri instead of 2.5K

first and foremost less distortion! greater grip on the woofers(better damping)

wider Freq response usually more top end

These are very easy to measure and I have done just that.

Lawrence

 

RE: Transformer options, posted on November 21, 2016 at 09:08:02
used-hifi
Audiophile

Posts: 388
Location: portage IN
Joined: March 18, 2003
These look like they would be very wideband outputs
inexpensive too!!!

http://www.ebay.com/itm/252637360362?_trksid=p2060353.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT

 

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