RCA 5751 Triple Mica Black Plates

RCA 5751WA Triple Mica Black Plates
Premium 5751/12AX7 with 3 mica spacers and 2 support rods to ensure low microphonics.  These are labeled and boxed for Heintz & Kaufman - Gammatron. One of the best 5751 tubes ever made. Low noise, good texture. Great for guitar and phono...

Quantity in Stock : 22 pcs
Price :  Grade A @ US$ 97,00/ea ; US$ 199,00/matched pair 
           Grade B @ US$ 89,00/ea ; US$ 184,00/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.

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