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Made in the USA, 1960-70's by Sylvania. These have silver risers on sides, flat disc shield and O-getter. With its smooth and liquid sound, a good upgrade over most current production 6DJ8/6922 type tubes. We have some stock labeled and boxed for Haltron/England as well. Please indicate the label of your choice when you order.

Quantity in Stock : Out of Stock!
Price : Grade A @ US$23,00/ea ; US$51,00/matched pair
          Grade B @ US$18,00/ea ; US$41,00/matched pair

          Grade C @ US$9,00/ea ; US$20,00/matched pair

Grade A - The best in the stock. Lowest noise and microphony with the tightest balanced sections we have available. This is typically 10% or often tighter given the large volumes of our stock.
Grade B - Low noise and microphonics with a section balance typically between 15% and 20%, but may be higher depending on available stock.
Grade C - Lowest noise but slightly microphonic. Section balance will be similar to Grade A or B. This grade is only suitable for use in the driver stage of an amplifier, or the output/buffer stage of a DAC or CD Player.


  1. This tube is very smooth sound. A good all round player and a safe buy. My Philip Jan 6922 were broken last year so I ordered a pair of this Sylvania for replacement. And I am very happy with it. Not as dynamic as the Philips Jan but the mid are sweeter and warmer.

  2. 4 couples paired bought Audio Research Pre, especially in the first 70-80 hours after play began very hot and transparent , thank you very much ..


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