The 6N1P offered here is NOS (New Old Stock). Near equivalent to E88CC or 6922 valves but with a higher heater current. This valve is used for the preamp and driver stages of the hi-fi amplifier model MC10-L by Yaqin, as the driver valve by Audio Research in their VS55 and VS110 amps and in the balanced input stage of the Almarro Reference Monoblock A340 amplifier.
Also a very suitable replacement for the 6N1/6922 used in the Rode NTK and K2 microphones.
Current stock was made by Orzep in the Orel Plant, Russia, in the 80's, but sourced / purchased from the Ukraine.
NOS
Features include very low distortion and medium gain —optimized for line stages, internally shielded between sections, allowing its use at differing signal levels, higher anode voltage and dissipation rating than 6DJ8 types and larger cathode than 6DJ8 types, giving it longer life and more transient current capability.
A great value high quality double triode also suitable for use in any high end stereo designed around these particular valves. Note that these valves may need some time to burn in for optimum performance and will improve in performance and benefit from reduced noise / hum after the first ten hours or so in use. This is apparently sometimes due to hum transfer from the heater to the cathode which fades away as the heater forms up with extended use and is a known peculiarity of these valves.
Specifications;
Application LF voltage amplification
Cathode type oxide,indirect heating
Dimensions diam.(max) 22.5mm / length(max) 57mm
Mass, 15g
Filament voltage, 6.3V
Filament current, 0.55-0.65
A
Anode voltage, 250V
Anode current, 0.006-0.009
A
Anode power, 2.2W
Steepness,mA/V 3.8 - 5.1
Reverse grid current, 0.5 uA
Microphnic noise, 80
mV
Gain 28.0-42.0
Dispatched fast by First Class post.
Testimonial from the web, with thanks and acknowledgements;
''The 6N1P has a huge cathode and is known for its very high linearity....few audiophiles will find much to complain about with the 6N1P's low distortion and characteristically superb musicality and tonal balance.''
Should you be in any way unhappy with your purchase within 28 days of purchase, you may return the item for a full refund of the purchase price.
Assembled using the FreeForm Builder at robshelp.com
On 03-Apr-16 at 12:20:09 BST, seller added the following information:
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