questions about subminiature valves.

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questions about subminiature valves.

Postby mildew » 07 Dec 2016, 03:54

Im going to attempt to replace the 6205 valve in my groovetube brick mic preamp.

Its soldered in, so im quite worried about mucking it up.

The valves with pins only go in one way - how do you know with a subminiature which leg is leg 1, and what rotational orientation its placed in?

Im replacing a groove tubes 6205 with a sylvania nos 6205.

thxinadv
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Re: questions about subminiature valves.

Postby tonyharker » 07 Dec 2016, 11:05

There's a gap between pins? 1 & 8. Holding upside down pin 1 is on the left. See datasheet.
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Re: questions about subminiature valves.

Postby ppluis0 » 08 Dec 2016, 02:29

mildew wrote:The valves with pins only go in one way - how do you know with a subminiature which leg is leg 1, and what rotational orientation its placed in?


Take a look at page 6 of this datasheet: https://frank.pocnet.net/sheets/129/6/6205.pdf

Cheers,
Jose
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Re: questions about subminiature valves.

Postby mildew » 08 Dec 2016, 03:57

thanks for the replies, i now realise that the subminiatures have the extra gap between the first and last pin just like the bigger valves.
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