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Input Transformer Question

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Posted on March 6, 2017 at 23:20:57
OldNuke
Audiophile

Posts: 79
Location: Silicon Valley
Joined: November 18, 2014
Contributor
  Since:
February 27, 2015
Mike,
While you go off and ponder the 45 output transformer topic I have one more item I'd like to pursue with your help. How do you feel about B7 input transformers into a 300B pre amp? I was thinking of dropping an Ingot in front of the BH 300B preamp. Add a GoldPoint selector switch, a P&G pot and toss the current balance circuit. The BeePree is 56K input and 500 ohms output so I'd have to add some resistance, I think.
Worthwhile experiment or am I jousting at windmills?

 

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RE: Input Transformer Question, posted on March 7, 2017 at 02:35:06
mqracing
Manufacturer

Posts: 4306
Joined: June 29, 2000
review the post I have highlighted below.



Builder of MagneQuest & Peerless transformers since 1989

 

RE: Input Transformer Question, posted on March 8, 2017 at 10:26:44
OldNuke
Audiophile

Posts: 79
Location: Silicon Valley
Joined: November 18, 2014
Contributor
  Since:
February 27, 2015
Let me start collecting my pennies, this could be a busy spring with installs and upgrades!

 

RE: Input Transformer Question, posted on March 11, 2017 at 21:24:02
OldNuke
Audiophile

Posts: 79
Location: Silicon Valley
Joined: November 18, 2014
Contributor
  Since:
February 27, 2015
Okay, step one complete. Ordered a BeePre. Now to open my Ingot knockoff and see if these are ordinary B7's or Mexico versions

 

RE: Input Transformer Question, posted on May 5, 2017 at 22:07:03
OldNuke
Audiophile

Posts: 79
Location: Silicon Valley
Joined: November 18, 2014
Contributor
  Since:
February 27, 2015
Mike,
Installed the Mexico 10K:10K input transformers on one input of a BeePree to compare the sound. I have to say these are great, I can hear a clear difference and improvement of sound between the inputs. Still breaking in the preamp so take it with a grain of salt, I reserve any final impressions for 2 to 3 weeks.

 

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