[Amps] Matched Pairs of Tubes

[Randall, Randy]

AudioPhool.

Take a look at this:

http://cgi.ebay.com/FAIRCHILD-AMPLIFIER-MODEL-620-2A3-300B-PP-EXCELLENT-/250722093940?pt=Vintage_Electronics_R2&hash=item3a60338b74

$57,000 for a pair of 10 watt (on a good day) audio amps full of original electrolytic caps and leaky Sprague black beauties.  And that is not the asking or buy it now price.  That is what someone PAID!!!!


Randy E. Randall AB9GO
Network Engineer
UC Health
Randy.Randall at UCHealth.com
Phone 513-585-7146
Fax 513-585-7159

-----Original Message-----
From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On Behalf Of kb5gt at cableone.net
Sent: Thursday, November 18, 2010 10:55 PM
To: amps at contesting.com
Subject: [Amps] Matched Pairs of Tubes

I guess I just learned what makes a matched pair of tubes. A guy on fleabay has two
4-250A tubes advertised as a matched pair. The ad says that only the filaments have
been checked. I sent him/her an email asking how they were determined to be a
matched pair if only the filaments were checked. The reply was that they both had
the same date code, and that is what makes them a matched pair. Amazing. His/her
user name had the word audio in it.



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