Dear all,

My tube RIAA has developed som hissing / artefacts and I think it's time to change the tube.

Problem is, I don't know what tube it is and there are no markings on the tube itselft.

Grateful for input reg model and brand for replacement.

zNJA3CO
This is how it looks : http://imgur.com/zNJA3CO

Product page, in japanese: http://www.musika.jp/30.html#pho30gd
 
chebby said:
Leo Gabassi said:
Thanks chebby, will check it out. Any brands to avoid or special ones to hunt down?

Manufacturer does not reply to email :(

No idea, sorry.

If it indeed is a 6111WA, and I haven't checked, then these were made predominantly by Philips / Sylvania so these would be the ones to go for.

If you are UK based then NOS ones available through Watford Valves for £25.

Or much cheaper through Tubezone.co.uk.
 

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