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 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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