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Burnedfingers 12th December 2004 10:44 PM

ECC 33,34, 35 tubes?
Needing information on these tubes. I am told they are close to a 6SN7 tube. Anyone have personal experience with them or information on them?

serengetiplains 12th December 2004 11:00 PM

ECC33 and 35 here.


serengetiplains 12th December 2004 11:12 PM

ECC34 here and here.

fdegrove 12th December 2004 11:21 PM


..........Not to forget the ECC32.
A close cousin of the 6SN7 but not an exact equivalent contrary to what some manuals (and vendors) would have you believe.

For the ECC35 the same applies as above but as if it were to be a close equivalent of the 6SL7.

ECC33 is a computer type (on-off switcher)

ECC34 is said to be the low impedance version of ECC32, according to Mullard.

Good luck finding any..........:xeye:


SHiFTY 13th December 2004 06:06 AM

I use a pair of ECC32 in place of 6SN7 in my PP amp. They are branded Haltron but have Mullard markings.

The best thing about them is they are a coke bottle shape (and sound pretty good too!)

Burnedfingers 14th December 2004 01:04 AM

Who has a pair of ECC 32's for sale?

fdegrove 14th December 2004 01:30 AM

2 Attachment(s)


Who has a pair of ECC 32's for sale?
I suppose you're not too keen on paying Tubedepot-style prices on that one?

Guess our friends in Japan soaked them up years ago already.:D

Note that most of these octal ECCs have blackened glass and from my experience they beat ANY US made 6SN7 hands down wherever the circuit allows for a direct replacement.

Didn't bother to check the asking price but here's another source....should anyone still be interested:


BTW, IIRC the ECC32 is kind of a IDH 26..........

From my collection, don't know where I got it from:

Cheers, ;)

SHiFTY 14th December 2004 02:50 AM

Whoa, US$145 a tube! :bigeyes:

I got 3 NOS ones for free hehehe...

jamesjung21 29th June 2005 07:54 AM

Does anybody know if ECC31 is close to either of 6SN7 or 6SL7 ??

Guido Tent 29th June 2005 08:12 AM


Originally posted by jamesjung21
Does anybody know if ECC31 is close to either of 6SN7 or 6SL7 ??

first Google hit

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