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Home >> KR Audio >> Tubes >> KR PX25

KR PX25
MATCHED PAIR  $500.00
The PX25 is an ultra-linear, low frequency, high power triode tube capable of producing 6-10 watts of pure class-A power. A replica of the early PX25, this tube is available in both a UX4 base and the original 4 pin english base. The PX25 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.

* All prices featured on krAudioPRODUCTS.com are listed in US Dollars.

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Specification Value
Pure Class-A Power (watts) 6-10
Plate Voltage Average (Volts) 325
Plate Voltage Maximum (Volts) 400
Plate Current Average (mA) 40
Plate Current Maximum (mA) 80
Plate Dissipation (watts) 30
Transconductance (mA/V) 6.0
Grid Voltage -25
Amplification Factor 4.2
Plate Resistance (ohms) 600
Load Resistance (ohms) 2500
THD (%) <0.05
Power Output (watts) 6.5
Filament Voltage (volts DC/AC) 4
Filament Current (A) 2
 

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