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tiltrite
12-17-2004, 05:43 PM
I have pulled 6 siemens ECC88 tubes out of a conrad-johnson preamp and I'm wondering if these have any application in guitar amps? If not I'll just toss 'em or maybe they're worth trying to put up on ebay.
undercut
12-17-2004, 10:32 PM
I'd cross refference them with the Duncan Amps Tube Index (http://www.duncanamps.com/tdslpe/) and see what you come up with. That app (link at bottom of page) will give you equivelants that may or may not be used in guitar amps.
saros141
12-18-2004, 02:28 AM
Do NOT toss 'em. Few guitar amps use this type, but plenty of hifi amps do, and they ARE worth putting on eBay. You'll sell 'em for enough to get yourself some really good 12AX7s.
John Phillips
12-18-2004, 04:10 AM
What Saros said.

I don't think they're usable in normal guitar amp circuits - even though they are a twin-triode like a 12AX7 etc, I'm pretty sure the pin configuration is different, so DON'T try it.

Someone out there will want them though. They may even be worth a reasonable amount of money as they are not a current production type.
tiltrite
12-18-2004, 12:27 PM
I figured that since they came from a Hi-Fi piece that they were primarily for that application, but I wanted to make sure. Well I suppose I won't go plugging them in to the V1 on my guitar amps!

These have the "falcon logo" on them, which from the little I've been able to find about these tubes seems to make them more desirable? Anyway, off to ebay they go then.

Thanks to all for your replies.

Best,
Eric
tiltrite
01-05-2005, 05:06 PM
got $55 for 'em on ebay. :dude. I'll buy the next round.
saros141
01-05-2005, 06:14 PM
:dude nicely done

Warsteiner here, please. :D
hogy
01-06-2005, 08:56 AM
Originally posted by tiltrite
I have pulled 6 siemens ECC88 tubes out of a conrad-johnson preamp ...

What happened to the preamp?

Hogy
tiltrite
01-06-2005, 11:07 AM
It was a 16LS and I unfortunately had to sell it. Along with it went a Threshold sa4e amplifier and a pair of beautiful thiel loudspeakers.

Kind of depressing, but I had to put a new roof on the house. The roof looks real nice, and does a much better job than the old roof of keeping the water out; it doesn't sound nearly as good at the CJ/sa4e/thiels, though.