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My (reasonably priced) Torii Jr. Tube Thread (Read 217 times)
Ron
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Posts: 194
My (reasonably priced) Torii Jr. Tube Thread
11/19/18 at 10:19:57
 
Going to start a thread to track my tube rolling on my Torii Jr. I am limiting my permutations just to stay sane in the process.

The objective is to stay below $50 / tube if possible.

Input Tubes: 6N1P / 6N5P / 6N23P
Power Tubes: EL34 / KT66
Regulation: 0A3
Rectification: 5U4 / 5AR4 (GZ34)

# Input Tubes

  • Reflector 6N23P-EV - $30
  • Voshod 6N1P-EV Gold Grid - $22
  • (Steve) 6N5P - $16


# Power Tubes

  • Gold Lion KT66 (New Production) - $40
  • Tung-Sol KT66 (New Production) - $35
  • Tung-Sol EL34 (New Production) - $25
  • Mullard EL34 (New Production) - $25


# Rectifier

  • Mullard GZ34 (New Production) - $35
  • Gold Lion GZ34 (New Production) - $40
  • Winged =C= SED 5U4-G / 5U3C (NOS) - $50
  • 5U4G blackplate RCA, ST shape (NOS) - $59


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HR-1 + Torii Jr. + ZROCK2 + ZP3 + VPI Prime Scout + UberBUSS + TriodeWireLabs Seven/Ten Plus + ASC IsoThermal TubeTraps
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Ron
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Posts: 194
Re: My (reasonably priced) Torii Jr. Tube Thread
Reply #1 - 11/20/18 at 17:30:25
 
I am going to stick with 5U4 rectifiers, Steve is the mastermind behind this and they are selected for a reason.

/Ron
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HR-1 + Torii Jr. + ZROCK2 + ZP3 + VPI Prime Scout + UberBUSS + TriodeWireLabs Seven/Ten Plus + ASC IsoThermal TubeTraps
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Lon
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"Love without
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Posts: 14957
Re: My (reasonably priced) Torii Jr. Tube Thread
Reply #2 - 11/20/18 at 18:00:53
 
Well, if you run across a Sophia Electric Aqua 274B (I know it's out of your stated price range) don't hesitate to try it--it's similar to a 5U4 and it sounds sublime in all the components I've tried it in (CSP2+, CSP3-25, SE84UFO3-25 Monoblocks, Torii Mk II, Torii Mk III, Taboo Mk III, Taboo Mk IV).

And it's worth stepping out of the 5U4 field (and I think Steve would agree as he uses these in many amps) to try a Type 80 rectifier with adaptor, especially the globe type. Very interesting rectification that sounds wonderful in the components I list above.
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HR-1,ZP3,ZTPRE,ZBIT,ZROCK2,SE84UFO3-25th, CSP3-25th;PS Audio:Soloist SE,DMP+DSD,P10, PowerBases,XStream Statemt spk cb,AC-12 power cds;Mapleshade:SamsonV2+V3;Oppo UDP-205;VooDoo Cremona +Amati,Iso-Pods;Aurios;MD90-T SE tuner; headphones: Oppo PM-1,Sennheiser HD800
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Ron
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Posts: 194
Re: My (reasonably priced) Torii Jr. Tube Thread
Reply #3 - 11/24/18 at 11:08:46
 
Well, I grabbed a few options from eBay, we'll see how this goes.

Waiting on the following to arrive:

NOS JAN 5U4GB - $25
NOS Winged =C= 5U4C - $24
NOS Sylvania 5931 (5U4WG) - $16

As far as input tubes, I found a pair of Made in Japan Matsushita (Mullard) 7DJ8 tubes for $13 each. They sound absolutely incredible. Sleeper tube.

Looking forward to compare to the 6N5P tubes coming from Steve.

/Ron
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HR-1 + Torii Jr. + ZROCK2 + ZP3 + VPI Prime Scout + UberBUSS + TriodeWireLabs Seven/Ten Plus + ASC IsoThermal TubeTraps
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