24-04-2015, 06:51 PM
(This post was last modified: 24-04-2015, 06:55 PM by boater sam.
Edit Reason: Wrong Forum!
)
I have been sorting and testing my way through a ton of vintage valves this week, sad really but whatever turns you on.
Found some lovely bottles, MU14, HR210, ARDD5, VT127, VT50A, CV1722, CV1120 etc. and then I found a very odd looking GT sized Int Octal glass bottle, a 923.
Numbered very clearly but cannot find any reference. Closest is 922 which is a photocell so I am assuming that this 923 is as well. Looks like a curved reflector with an electrode at the focus.
Can anyone elaborate on this?
Found some lovely bottles, MU14, HR210, ARDD5, VT127, VT50A, CV1722, CV1120 etc. and then I found a very odd looking GT sized Int Octal glass bottle, a 923.
Numbered very clearly but cannot find any reference. Closest is 922 which is a photocell so I am assuming that this 923 is as well. Looks like a curved reflector with an electrode at the focus.
Can anyone elaborate on this?
Boater Sam.
