RCA 12AT7WA Black Plates

RCA JAN JRC 12AT7WA Black Plates
Military spec. tubes from 1960's with "12AX7/12AU7" type small black ribbed plates and o-getter. These have extra support posts on sides. This tube is very low in microphonics and noise due to its rugged construction. A guitar player favorite! Matched pairs and quartets available.

Quantity in Stock : 55 pcs
Price : Price : Grade A @ US$32,00/ea ; US$65,00/matched pair
                     Grade B @ US$26,00/ea ; US$54,00/matched pair
 
                     Grade C @ US$14,00/ea ; US$30,00/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.

 

2 comments:

  1. Absolutely perfect choice!I bought a pair of them.
    Korey is very helpful!!
    The order was arrived safe and fast!
    Thank you Korey

    ReplyDelete
  2. Nostubestore is the best valve site in the world.

    Genuine tubes, well charged, and the best service possible from Koray.

    Thanks man!

    Tj

    ReplyDelete

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