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:
5 pcs
Price:
Grade A @ € 32.00/ea; € 65.00/matched pair
Grade
B @ € 26.00/ea; € 54.00/matched
pair Grade C @ € 14.00/ea;
€ 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.