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Home >> KR Audio >> Tubes >> KR 2A3 Clear Glass

KR 2A3 Clear Glass
MATCHED PAIR  $525.00
The KR2A3 is an ultra-linear, low frequency, high power triode tube capable of producing 3-5 watts of pure class-A power. The KR Enterprise tube features a mono-plate with the new ribbon filament construction and their exclusive patent design with 32 cathodes. The KR2A3 possesses a vacuum of 10(-8) Torr, a maximum grid current of 2.0 microamperes and absolutely constant emission over the life of the tubes. All KR Enterprise tubes are warranted for a period of 2 years.

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free cryo treatment
Free Cryogenics with
All Tube Purchases.

Specification Value
Pure Class-A Power (watts)  
Plate Voltage Average (Volts) 300
Plate Voltage Maximum (Volts) 350
Plate Current Average (mA) 50
Plate Current Maximum (mA) 80
Plate Dissipation (watts) 18
Transconductance 5500
Grid Voltage -58
Amplification Factor 3.9
Plate Resistance (ohms) 700
Load Resistance (ohms) 2500
THD (%) <0.5
Power Output (watts) 4.0
Filament Voltage (volts DC/AC) 2.5
Filament Current (A) 2.5
 

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