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SE84CS - what new tubes are good? (Read 4043 times)
smokingdrum
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SE84CS - what new tubes are good?
01/25/08 at 17:15:43
 
Hi All

My current input tube (Jan Philips) has gone microphonic, my Amperex PQ 6922 is on its way out...so I need to get at least one new input tube, maybe a selection.

I'm fed up with trying to buy the Amperex 6922 - I think it sounds fantastic, but the price has gone nuts and I'm no expert - in some of the eBay auctions the tubes do not look authentic.

So, to relieve my stress, can anyone recommend a good sounding NEW input tube (or perhaps just a reliable supplier of NOS tubes who will at least send to the UK).

I always preferred the Jan Philips tube to the Sovtek one which was supplied with the amp.

As always, thanks for the help,

John
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Rivieraranch
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Re: SE84CS - what new tubes are good?
Reply #1 - 01/25/08 at 22:49:26
 
Folks have expressed that the JAN Phillips past 1975 are no good. Look for the pre-1976 Sylvania 6922's.

As to the new production, many believe that the quietest new production 6922 is the Electro Harmonix 6922EH.

I have also heard that the JJ E88CC (6922) is voiced closest to the European tubes that you seem to like.
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ZYGI
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Re: SE84CS - what new tubes are good?
Reply #2 - 01/26/08 at 01:28:58
 
John,

  I like and run Cryoset Electro Harmonix  6922EH. There also great people to deal with.

BobZ
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Rivieraranch
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Re: SE84CS - what new tubes are good?
Reply #3 - 01/26/08 at 02:59:31
 
I still don't understand the science behind cryogenically treating vacuum tubes. It seems that it could cause as much trouble as it might do good.

Another alternative could be some PCC88 7DJ8, a 7 volt version of the 6922/ECC88.
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Rob
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Re: SE84CS - what new tubes are good?
Reply #4 - 01/26/08 at 12:56:44
 
There  aren't  too many of the  newer  tubes  that really  float my boat in the Selects. Don't  get me  wrong, they are  listenable, but  they  just fall short of  that "magic" sound. The  Sovtek 6N1P I  prefer over the  Sovtek 6922s. in these amps. The  Phillips  JAN6922  is  livable.

I  prefer  NOS tubes, and  am lucky to  have an obscene  collection  of  nice  ones to  chose  from.

My  favorite by  far  is the Tungsram 6DJ8 - I  prefer  them over the Amperex, Siemens, Mullards, Brimar, Telefunken, et al.

To my  ears, the  Tungsrams  have the  sweetest overall balance and  presentation.

Do  some  searching,  they often  some up on E-bay for  reasonable  prices($20-25)
Kevin Deale  at Upscale  Audio  sells these, but  if you aren't an equipment  customer  customer, he  gets  anywhere  from $50-100 depending on grade.

I was  lucky to  some  across a  lot of 20 of  them 6-7  yeras  ago, and  got them for around $15/tube.
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smokingdrum
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Re: SE84CS - what new tubes are good?
Reply #5 - 01/26/08 at 13:08:24
 
Thanks for all the responses, guys!

There are more than enough suggestions here to keep me occupied, I think I'll get two or three new tubes from these decent looking shops and maybe keep my eyes open for the NOS.

John
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JM
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Re: SE84CS - what new tubes are good?
Reply #6 - 02/02/08 at 10:43:58
 
I kike my Russian milspec 6H23P-EV tube (with the Reflektor logo, I think). I'm not sure it's in current production, but it can be found as NOS and won't cost an arm and a leg.
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Eli Duttman
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Re: SE84CS - what new tubes are good?
Reply #7 - 02/02/08 at 19:00:57
 
JM wrote on 02/02/08 at 10:43:58:
I kike my Russian milspec 6H23P-EV tube (with the Reflektor logo, I think). I'm not sure it's in current production, but it can be found as NOS and won't cost an arm and a leg.





ElectroHarmonix (EH) brand 6922s ARE 6n23p-ev.  ;)  They are quiet and TOUGH.  If you want an affordable 6922 that's voiced closer to W. European NOS than the Russian tube is, buy the JJ E88CC.
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Eli D.
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