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 6AN7 to 6AE8 (X79) Freq.Convertor Valve
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 Return to top of page · Post #: 1 · Written at 4:12:30 PM on 5 April 2025.
Brins's Gravatar
 Brins
 Location: Geelong, VIC
 Member since 12 July 2018
 Member #: 2266
 Postcount: 47

6AN7 Convertor Valve
A type 6AN7 valve will be used in place of the type 6AE8 (x79) valve in the first production run of the model “Astor NM“ receiver.
No circuit component changes are required when using a 6AN7 valve.
The wiring connections to the valve socket are different as detailed below. The type 6AE8 (X79) valve will burn out if plugged
into a socket wired for a type 6AN7 valve.

6AN7


pin No 1. Hexode Screen
No 2. Hexode Control Grid
No 3. Cathode
No 4. Heater
No 5. Heater
No 6. No Connection.
No 7. Hexode Plate
No 8. Triode (oscl) Plate.
No 9. Triode (oscl) Grid

In Todays market.....If the 6AE8 (X79) Convertor is scarce to procure then the more popular 6AN7 could be used.

Courtesy Radio Corporation P/L. 29/10/1952
 
 Return to top of page · Post #: 2 · Written at 4:23:30 PM on 5 April 2025.
Brins's Gravatar
 Brins
 Location: Geelong, VIC
 Member since 12 July 2018
 Member #: 2266
 Postcount: 47

6AN7
 
 Return to top of page · Post #: 3 · Written at 4:33:24 PM on 5 April 2025.
Brins's Gravatar
 Brins
 Location: Geelong, VIC
 Member since 12 July 2018
 Member #: 2266
 Postcount: 47

Im sorry I had these formatted for both valves ,I tried again but failed that info above is for the 6AN7.
 
 Return to top of page · Post #: 4 · Written at 4:38:30 PM on 5 April 2025.
Brins's Gravatar
 Brins
 Location: Geelong, VIC
 Member since 12 July 2018
 Member #: 2266
 Postcount: 47

6AE8.
Pin 1. Hexode Screen
Pin 2 Hexode Control Grid
Pin 3 Cathode
Pin 4. Heater
Pin.5 Heater
Pin 6 Hexode Plate
Pin 7. Triode osc Grid
Pin 8. Triode.osc Plate
Pin 9. No Connection
 
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