[Harvey Axlerod]

All,

Does anyone have a clue in how to test these rare tubes ? Thanks in
advance. Harvey

__________________________________________________ _____________________________
Harvey Axlerod, Computer Discipline Officer, University at Buffalo
http://www.acsu.buffalo.edu/~axlerod voice: 716-645-3570

[Peter Wieck]

Harvey Axlerod wrote:
All,

Does anyone have a clue in how to test these rare tubes ? Thanks in
advance. Harvey

__________________________________________________ _____________________________
Harvey Axlerod, Computer Discipline Officer, University at Buffalo
http://www.acsu.buffalo.edu/~axlerod voice: 716-645-3570

http://www.mif.pg.gda.pl/homepages/f.../084/f/F2a.pdf

Try starting here. Unique tune, unusual base.
Single-maker-single-customer tube.

You should have enough data from the sheets to cobble up a base and
derive a test, much as you would any other tetrode with a similar
filament voltage.

Peter Wieck
Wyncote, PA

[Harvey Axlerod]

Thanks.

__________________________________________________ _____________________________
Harvey Axlerod, Computer Discipline Officer, University at Buffalo
http://www.acsu.buffalo.edu/~axlerod voice: 716-645-3570


On 15 Dec 2006, Peter Wieck wrote:

Date: 15 Dec 2006 11:02:23 -0800
From: Peter Wieck
Newsgroups: rec.audio.tubes
Subject: F2A tubes info


Harvey Axlerod wrote:
All,

Does anyone have a clue in how to test these rare tubes ? Thanks in
advance. Harvey

__________________________________________________ _____________________________
Harvey Axlerod, Computer Discipline Officer, University at Buffalo
http://www.acsu.buffalo.edu/~axlerod voice: 716-645-3570

http://www.mif.pg.gda.pl/homepages/f.../084/f/F2a.pdf

Try starting here. Unique tune, unusual base.
Single-maker-single-customer tube.

You should have enough data from the sheets to cobble up a base and
derive a test, much as you would any other tetrode with a similar
filament voltage.

Peter Wieck
Wyncote, PA