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 Radio of the Week - valve layout
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 Return to top of page · Post #: 1 · Written at 10:39:14 AM on 21 October 2012.
Maven's Gravatar
 Maven
 Location: Canberra, ACT
 Member since 23 August 2012
 Member #: 1208
 Postcount: 584

The Airzone Cub is a cute little unit!

You list V4 as "unknown". The named valves are identical with my Philips of the same year. If the layout is the same, the unknown valve could be another 6N8.

Maven
 
 Return to top of page · Post #: 2 · Written at 10:54:03 AM on 21 October 2012.
Brad's avatar
 Brad
 Administrator
 Location: Naremburn, NSW
 Member since 15 November 2005
 Member #: 1
 Postcount: 7301

G'day Maven,

I've been asked about that a few times now. Maybe I should do something about that now that I have an almost full set of AORSM manuals.

I'll work on it today.


‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
A valve a day keeps the transistor away...

 
 Return to top of page · Post #: 3 · Written at 2:53:41 PM on 21 October 2012.
GTC's avatar
 GTC
 Location: Sydney, NSW
 Member since 28 January 2011
 Member #: 823
 Postcount: 6687

How certain are you of the year?

If it's a model A120 of 1953, then the unknown valve ought to be a 6AN7.
 
 Return to top of page · Post #: 4 · Written at 10:09:14 PM on 21 October 2012.
Marcc's avatar
 Marcc
 Location: Wangaratta, VIC
 Member since 21 February 2009
 Member #: 438
 Postcount: 5254

I have suggested 6AN7 a few times: It's one of the few (if any)Triode Hexode mixers that are 9 Pin

Marc

Error fixed ...I'll blame the hour.

I have repaired one. I am pretty sure its in AORSM's?
 
 Return to top of page · Post #: 5 · Written at 11:45:28 PM on 21 October 2012.
GTC's avatar
 GTC
 Location: Sydney, NSW
 Member since 28 January 2011
 Member #: 823
 Postcount: 6687

Did you mean triode-hexode?
 
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