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 AWA G50742 Amplifier Circuit
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 Return to top of page · Post #: 1 · Written at 4:49:48 PM on 2 February 2026.
PeterGW's Gravatar
 PeterGW
 Location: Melbourne, VIC
 Member since 2 February 2026
 Member #: 2760
 Postcount: 2

I am looking for a circuit diagram or service manual for an AWA Radiola 15 W (G50742) amplifier which came from an old record player cabinet.
Any suggestions would be welcomed.
 
 Return to top of page · Post #: 2 · Written at 5:28:20 PM on 2 February 2026.
STC830's Gravatar
 STC830
 Location: NSW
 Member since 10 June 2010
 Member #: 681
 Postcount: 1407

This is probably it:

https://www.kevinchant.com/uploads/7/1/0/8/7108231/15_35_50_watt_amps.pdf

Good luck.
 
 Return to top of page · Post #: 3 · Written at 5:30:32 PM on 2 February 2026.
STC830's Gravatar
 STC830
 Location: NSW
 Member since 10 June 2010
 Member #: 681
 Postcount: 1407

Info here too, though I think that you need to join:

https://www.radiomuseum.org/r/amalgamate_awa_15_watt_amplifier_pa_g50742.html
 
 Return to top of page · Post #: 4 · Written at 6:08:18 PM on 2 February 2026.
Ian Robertson's Gravatar
 Ian Robertson
 Location: Belrose, NSW
 Member since 31 December 2015
 Member #: 1844
 Postcount: 2706

Many of those AWA amps had the schematic screen-printed on the inside of the base cover,
 
 Return to top of page · Post #: 5 · Written at 8:37:29 PM on 2 February 2026.
PeterGW's Gravatar
 PeterGW
 Location: Melbourne, VIC
 Member since 2 February 2026
 Member #: 2760
 Postcount: 2

Thank you for the suggestions.

The 15W G50742 has 7 valves and not the one shown on the Kevin Chant uploads.
The radio museum link appears to have the info. It lists the 7 x valves but not being a member I was unable to download a circuit diagram.
The only reference information on the chassis is the 'G50742' label.
 
 Return to top of page · Post #: 6 · Written at 6:53:35 PM on 5 February 2026.
GTC's avatar
 GTC
 Location: Sydney, NSW
 Member since 28 January 2011
 Member #: 823
 Postcount: 6946

Info here too, though I think that you need to join

No need to join. Just double-click on the schematic.

QUOTE: As a [Radiomuseum] guest you are granted access to

* a maximum of 3 pages per day and
* a maximum of 10 pages within 30 days (each schematic page must be requested individually)

After entering your valid email address, a download-link for your desired schematic page will be sent to your email account.
 
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