One of the best from East Europe of cold war era. Reliable, high quality 6DJ8/ECC88 type! These are supplied by Hall Electric Ltd. / UK for under the brand name of Haltron for British military use.
Quantity in Stock : 10 pcs
Price : Grade A @ US$27,00/ea ; US$59,00/matched pair
Grade B @ US$22,00/ea ; US$49,00/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.