s.e.x tube equevilent question

balancedtriode · 2662

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Offline balancedtriode

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on: October 02, 2010, 08:25:57 AM
hi im thinking of building a sex amp for my dad`s klipsch`s (he is an audiophile from way back) is a 6SN7 The same as a 6DN7 be cause i have some great nos coin base 6SN7`s i could use
any info would be apiciated thanks
 -c

Thorens TD-160 Custom(rebuilt by me) with SME 3009 arm
Bottlehead Seduction
Extended Foreplay-III (build underway)
Stereomour Power Amp conversion (Heavily Modded)
Klipsch Cornwalls' with Vertical Horns

Offline Jim R.

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Reply #1 on: October 02, 2010, 08:37:21 AM
Hi,

Sorry, but the 6dn7 is the only tube that will work in the s.e.x. amp (though with some modifications you can use the 6em7 and 6ea7.)  The 6dn7 is a dual dissimilar triode meaning that it has a small signal triode on one side and a power triode on the other.  The 6sn7 is a dual triode for small signals and is identical on both sides and will not work in the s.e.x. d

Hope this helps,

Jim
esign.

Jim Rebman -- recovering audiophile

Equitech balanced power; uRendu, USB processor -> Musette DAC -> 5670 tube buffer -> Finale Audio F138 FFX -> Cain and Cain Abbys near-field).

s.e.x. 2.1 under construction.  Want list: Stereomour II

All ICs homemade (speaker and power next)

Offline Dyna Saur

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Reply #2 on: October 02, 2010, 05:14:29 PM
6FJ7 has identical operating characteristics to 6DN7, but it is in a duodecar "compactron" package.  
Might be a  good one to use  in a highly  modified unit, or a "clone" design.  Not worth changing a perfectly good working unit, however,  as there will be no real improvement.

/ed B in NC
« Last Edit: October 09, 2010, 03:09:42 PM by Dyna Saur »

ed brown

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