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Old 15th May 2022, 11:21 am   #1
electronicskip
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Default Pye P114BQ Jewel case Speaker transformer

Further to my wanted posts of the above Pye radio, does anyone have a Speaker transformer for the above?
Its No is 077072 570 ohms .

Happy to pay etc etc .
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Old 16th May 2022, 4:27 pm   #2
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Default Re: Pye P114BQ Jewel case Speaker transformer

I have an Elstone MTO replacement output transformer from a Pye P131MBQ, which has a DL96 output valve as does the P114BQ. The transformer mounts on the speaker and being a replacement type has ratios of 80:1 or 42:1. The P131MBQ + MTO used 80:1. Primary resistance of 770 ohms for 80:1, around 350 ohms for 42:1.

The trademark Elstone green paint is peeling from the sides of the lamination clamp, which appears to be galvanised underneath. 8 plus p&p if interested. I can take a photo if you want more detail.

Ron
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Old 17th May 2022, 2:11 am   #3
electronicskip
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Default Re: Pye P114BQ Jewel case Speaker transformer

Quote:
Originally Posted by ronbryan View Post
I have an Elstone MTO replacement output transformer from a Pye P131MBQ, which has a DL96 output valve as does the P114BQ. The transformer mounts on the speaker and being a replacement type has ratios of 80:1 or 42:1. The P131MBQ + MTO used 80:1. Primary resistance of 770 ohms for 80:1, around 350 ohms for 42:1.

The trademark Elstone green paint is peeling from the sides of the lamination clamp, which appears to be galvanised underneath. 8 plus p&p if interested. I can take a photo if you want more detail.

Ron
That sounds like it might do the trick Ron.
A picture would be good but i think it will be fine regardless.
Again this is not for me its for someone who is restoring this radio so will need to check with him first .
Thank you.
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Old 17th May 2022, 10:37 am   #4
ronbryan
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Default Re: Pye P114BQ Jewel case Speaker transformer

Here are some photos of the Elstone MOT transformer. Fixing centres are 2.125". The primary resistance of the 80:1 winding is 706 ohms, not as previously stated.

It weighs 200g without packaging.

The cheapest Royal Mail second class small parcel, not signed for is 2.85.

Ron
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Old 17th May 2022, 10:38 am   #5
ronbryan
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Default Re: Pye P114BQ Jewel case Speaker transformer

And the laminations from the bottom.

Ron
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Old 18th May 2022, 11:21 am   #6
electronicskip
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Default Re: Pye P114BQ Jewel case Speaker transformer

Pm sent to you Ron.
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