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-   -   Valve Bases and Mains Transformer (https://www.vintage-radio.net/forum/showthread.php?t=171354)

Radio Tech 24th Sep 2020 11:04 am

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

Ed_Dinning 24th Sep 2020 12:30 pm

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

Skywave 24th Sep 2020 12:48 pm

Re: Valve Bases and Mains Transformer
 
Quote:

Originally Posted by Radio Tech (Post 1292278)

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.

Radio Tech 25th Sep 2020 1:37 pm

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

barrymagrec 25th Sep 2020 2:08 pm

Re: Valve Bases and Mains Transformer
 
Mmh, 100 VA ish - that`s going to be a biggish surface mount jobbie.

Skywave 25th Sep 2020 5:58 pm

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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