Description

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Fire Crew Brand New PSVANE COSSOR 805 Vacuum Tube Replaces 805A HIFI Audio Valve Electronic Tube Amplifier Kit DIY Precision Matched Quad

572B Directly heated cathode high µ triode 572B, used for oscillation and power amplification in the radio device

Filament heating

Uf: 6.3V

If: 4A

Limit rating

Anode voltage: 1250V

Anode current at maximum signal: 210 mA

Anode dissipation power: 125 W

Grid current: 50mA

Interelectrode capacitance

Input capacitance: 6PF

Output capacitance: 0.9PF

Cross circuit capacitance: 5.9PF

Static parameters

Ua: 2000V

-Ug: 2V

Ia: 32mA

µ (when Ia=20mA): 190

Recommended working state (reference value)

Single tube type A1 amplification (single end)

Ua: 750

Ug: 30

Ia(0): 130

Ia(max.sig): 210

U(g-g.pk) : 60

Ia(max.sig):210

RL: 5

Pout (when Dtot=5%): 40

Push pull type AB2 amplification

Ua: 1000

Ug: 20

Ia(0) : 75

Ia(max.sig): 300

U(g-g.pk) : 195

RL: 8

Pout (when Dtot=5%): 150

The shop promises:

The electronic tubes operated by our store are guaranteed to be brand new and high-quality genuine products from the original factory, and we will provide free replacements for any quality problems within one year. All tubes are rigorously tested to match .Buy 2pcs = Precision matched pair. Buy 4pcs = Precision Matched Quad. We have the conditions and advantages to match multiple tubes (four tubes, eight tubes) according to customer needs. The same parameters. It is a professional shockproof and firm package. It is absolutely safe.

Note: It will be shipped after strict inspection again (please do not think it is a fake and shoddy product after receiving the tube).

Additional information

Package	Yes
Channels	2 (2.0)
Model Number	572B
Maximum Power Per Channel	NO POWER
Brand Name	Fire Crew
Origin	Mainland China
Certification	CE