[sdiy] vacuum tubes!!!

[Paul Schreiber]

Drat, no 300Bs :)

Paul S.

----- Original Message ----- 
From: "Michael Ruberto" <frankentron at hotmail.com>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Tuesday, June 14, 2005 6:12 PM
Subject: [sdiy] vacuum tubes!!!


> how bizarre, an aquaintance just dropped off a milk crate of electronic 
> parts for me. in the crate were some dual concentric 1 Meg pots with 
> switches, some DB25 female connectors, a technicians assortment of 
> electrolytic caps and.... dozens of vacuum tubes!! help me out here. I'm not 
> a tube guy so I don't know what I'm looking at. I can't tell if they are new 
> or used, my friend says there's both. here's some numbers:
> 
> 6KM6
> 6EN4
> 6GH8A
> 8417
> 12GN7A
> 3A3C/3AW3/3B2
> 6BS3A
> 6AQ5A/6HG5
> 7247
> 6CB6A-6CF6
> 6CW5/EL86
> 
> Are these useful for audio apps? without a tester can I verify which are 
> still new and which are used?
> 
> M. A. Ruberto
> 
>