These three Mullard M8162 tubes are marketed
under the STC (Standard Telephones and Cables Ltd.) label.
Very, very rare, made at the Whyteleafe factory.
The CV code says may 1962 as manufacturing date. The structure of the glass reminds of tubes made in the early fifties.
This tube is a collectors item, rarely seen in mint condition.
Only three in stock.

New Old Stock Mullard E81CC made by Valvo, Hamburg.     

• Df6 code made in 1966
• Solid round disc getter halo
• Gold pins
• Good tonal balance and very good bass
• A 10 000 hour long life special quality tube
• Available in matched pairs
  

New Old Stock Brimar CV4024 from the early sixties in original red/black/orange boxes.

• Black square plates
• Large O getter halo
• Copper grid post
• Classic British sounding valve, sweet sounding, great midrange
• Brimar factory code 3B2/3980, february 1962
• Available in matched pairs
  

Very, very rare Valvo, Hamburg made 6201 for Philips. This Valvo made E81CC is the highest grade ECC81/12AT7 and in the same leauge as Telefunken ECC801S.

• D code made in 1961
• Slightly pinched waist
• Single O disc getter support
• Very musical, good bass and high end extension
• Available in matched pairs

New Old Stock in original and white boxes. Telefunken has legendary status as a good sounding ECC81/12AT7 tube and is often used as a sound reference in adjusting HiFi systems.

• Transparent and open with very good speed and high end extension,
• Accurate bass
• Extremely low noise
• Very neutral, accurate, balanced and un-coloured sound.
• Telefunken is known for stable quality and long life, exceeding 10000 hours.

More than 10 tubes in stock.