All KR Audio vacuum tubes possess a vacuum of 10-8 Torr, a maximum grid current of 2.0 microampere and absolutely constant emission over the life of the tube and are warranted for one year from purchase date!

 


KR ENTERPRISE 845

The 845 is a low frequency, high power, high voltage triode, capable of producing 20-26 Watts of pure class-A power. The 845 features a new ribbon filament construction and the KR Audio exclusive patent design with 32 cathodes.

Specification Value
Pure Class-A Power (watts) 20-26
Plate Voltage Average (Volts) 650
Plate Voltage Maximum (Volts) 1250
Plate Current Average (mA) 90
Plate Current Maximum (mA) 140
Plate Dissipation (watts) 100
Transconductance (mA/V) 3.5
Grid Voltage -87
Amplification Factor 5.3
Plate Resistance (ohms) 1200
Load Resistance (ohms)  
THD (%) <0.1
Power Output (watts)  
Filament Voltage (volts DC/AC) 10
Filament Current (A) 1.0

KR Type

RPM Order code

Price EUR/matched pair, includes VAT 22%

845

KR-845

793,00

 

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