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GE JG 12AX7 Long Gray Plates Early 1950's

General Electric JG 12AX7 Long Gray Plates Early 1950's USA
The earliest version of the GE 12AX7. These are military spec tubes with long ribbed gray plates, square/D-getters. Balanced tubes with warm presence! Matched pairs available.

Quantity in Stock : 4 pcs
Price : Grade A @ US$63,00/each ; US$131,00/matched pair
          Grade B @ US$53,00/each ; US$111,00/matched pair
          Grade C @ US$33,00/each ; US$71,00/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. If I had to define a word for these valves, it would be “AIR”. The soundstage is wider with exceptional detail, a powerful bass and warmth. In short, a contribution to the music of my system.
    Jesús (Spain)

    ReplyDelete
  2. I found an awesome combination for super high resolution in a guitar amp imparting a 3D effect. Combine this tube V2 with an RCA 12AX7A in V1 in a Marshall circuit.

    Alone, this tube is very warm but also clear, it has an interesting personality. I like this type a lot.

    ReplyDelete

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