12AT7-T MARK II PREMIUM GRADE PARREDE PAR (= ECC81)
The 12AU7-T-MII/2 Psvane Reference MARK II T-series getshipped as factory matched pair.
Each tube has an individual serial number and test spec sheet.
Dramatically increased sound quality over the standard Shuguang 12AU7 tubes.
Gold coated pins to enhance connection over long term.
All parts are selected to the highest grade plus only highly experienced workers to assemble
Suggested burn-in time is 50-80 hours.