A pair of RT / 12AU7 / ECC82  from 1959

Rare super strong GM values over 100%

NOS and NIB

 Perfect & original condition

Tubes in original colored boxes

From private collection

Made in France

Similar tube construction : Philips / Siemens / Mullard

Never used ... open only for test and pictures

These tubes are great with strong values

stamp SCMT on glass

Long plate halo getter

Super quality from '' La Radiotechnique '' French subsidiary of Philips / Mullard tubes

Great for audio

Tubes tested on AMPLITREX

GM values : 109% - 109%  and  109% - 109%

super strong GM values & matched pair

SALE FINAL  &  AS  IS  and  NO RETURN  **********    PAYMENT PAYPAL

                                             WORLDWIDE SHIPPING BY REGISTERED AIRPOST :  $ 30