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Sets, Parts and Service Information Wanted (private buyers only, no swaps) If you need help obtaining components, sets or equipment, post a message here. Private buyers only - no traders. No swaps.

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Old 24th Sep 2020, 11:04 am   #1
Radio Tech
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Default Valve Bases and Mains Transformer

Hello Folks

Any member got the following they could sell to me:-

Mains Transformer 240V input with 6.3V 5V @1A 300V 0V 300

A selection of valve Bases

Also required are two EL84's ECC83 and EF86

All costs paid

Ken
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Old 24th Sep 2020, 12:30 pm   #2
Ed_Dinning
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Default Re: Valve Bases and Mains Transformer

Hi Ken, sounds like a 5-10 build, in which case you will probably need at least 80mA HT current.

Better spec which bases you want as there are a large variety of types out there

Ed
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Old 24th Sep 2020, 12:48 pm   #3
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Arrow Re: Valve Bases and Mains Transformer

Quote:
Originally Posted by Radio Tech View Post

Any member got the following they could sell to me:-

Mains Transformer 240V input with 6.3V 5V @1A 300V 0V 300

Ken
Insufficient spec.:

6.3 v.: how much current?
5 v.: how much current?
I assume that these two windings are electrically isolated
Or is it one winding, 6.3 v. with a 5v. tap, total current capacity of 1 amp.? (Seems unlikely).

How much current is required for the 300 - 0 - 300 winding?

Style: surface mount or 'drop-through'?

I might have something suitable.

Al.
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Old 25th Sep 2020, 1:37 pm   #4
Radio Tech
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Default Re: Valve Bases and Mains Transformer

Hi Al

Sorry I forgot current rating, 6.3v and 5v both 2A and the 300 0 300 150 to 200 m/a and surface mount transformer. Valve bases Octal and B9A skirted
Regards
Ken
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Old 25th Sep 2020, 2:08 pm   #5
barrymagrec
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Default Re: Valve Bases and Mains Transformer

Mmh, 100 VA ish - that`s going to be a biggish surface mount jobbie.
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Old 25th Sep 2020, 5:58 pm   #6
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Default Re: Valve Bases and Mains Transformer

Ken - sorry, can't help. I can match some specs., but not all. Any chance of a change of some of those, particularly the L.V. current requirements?

Al.
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