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Re: Looking for 12au7 for my cary SLP94

66.74.72.231

Posted by Bambi B on September 28, 2004 at 16:12:40

In Reply to: Looking for 12au7 for my cary SLP94 posted by nuklp on September 28, 2004 at 11:16:39:

nuklp,

I don't know the Cary so comments are a bit general.

I would second both of JamesV's suggestions. The Siemens E82CC was sold under several labels. I'm assuming he means the older triple mica Siemens & Halske and was sold under several designations. There were Siemens 5814As but also these could be Philips SQ 5814As, Siemens ECC802S, or Valvo E82CC. There is a later Siemens E82CC- sold also as Valvo E82CC and these are two mica tubes- not of the same quality of the triple mica ones- but still quite nice. The Siemens is what I would call a "fast" tube" very dynamic and lively, somewhat forward.

The Amperex 7316 is a tube I've only heard once- but that was enough- it really is good! I'm told that there are several versions of the 7316 and the earlier ones are nicer.

The Amperex Bugle Boy ECC82 is a tube that seems to work well everywhere I try it- it does everything well! Don't discount too ECC82s labelled by HP as these are usually Amperex made and to me- indistinguishable from the Bugle Boys- and will be half the price. I have several 12AU7s from Philips- Valvos especially, and I can not tell these tubes apart from Bugle Boys in construction.

I'm a big fan of the 5814A and recently enjoyed trying out a pair of 1956 CBS- black plate, louvered stirrup getter- fantastic really.

One model you mentined is the RCA "cleartop". I ended up with (11!) of these and I like these very much in my old McIntosh stuff where the slightly bright nature livens things up a bit. This is a characteristic of the Siemens 5814A also- punchy and fast. However, this may or may not be a good combination with the Cary.

I have several Telefunkens in vintage gear- McIntosh, Fisher and Scott and these are fine, and these are very neutral, but I seem to yearn for a little more agressiveness and these spots will become Siemens or Amperex.

Without knowing the Cary, I would say you couldn't go wrong with a good Philips made ECC82 or the special Amperex 7316- if you can find them! if you wna tto tubne the sound a little "otter", then the Siemens 5814A or the RCAs.

Sorry, nit enough experience with Mullard to comment, but I hear the old long plate 50's ones are very nice.

Cheers,

Bambi B

12AU7s AT HOME:

Use 5: 1, 2, 2

Philips SQ/ Siemens 5814A -3 mica- NOS
Brimar cleartop- NOS
Sylvania JHS 12AU7WA- 6189- NOS 66
HP/ Amperex-Holland- NOS
HP/ RCA- cleartop- NOS
RCA- 5814A- black plate 2 mica- NOS
RCA/Textronix matched pairs cleartop NOS
Valvo/ Philips ECC82- dimpled disc-Holland -NOS
Valvo/ Siemens E82CC- NOS < this is the later two mica
CBS 5814A- JHS blk plate- stirrup gtr- NOS 56
RCA cleartop- USED

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