Looking for ECC81

[merlin el mago]

I'm looking for ECC81 new production or NOS, I'm now using EI long anode and sounds wonderful what I want to know if somebody had compared vs RCA black plate NOS this tube was produced from the 50's to the 70's. Other suggestions will welcome.

TIA
Felipe

 

[SY]

JJ. Of the dozen or so different ECC81 varieties I tested (mostly NOS from Mullard, RFT, Amperex...), these were far and away the lowest distortion.

 

[merlin el mago]

I suspected so.

 

[radiostar]

EI are good, I have many of them in few versions, white and gold print.

I also can recommend you E81CC Siemens triple mica and ECC81 Philips France.

Good luck with tube rolling.