Home / Vacuum Tube Rectifier 300B-TII Vacuum Tube Classic Replace 300B 4300B 300BN WE300B HiFi Audio Valve Electron Tube AMP Kit(4pcs Matched Quad)
  • Vacuum Tube Rectifier 300B-TII Vacuum Tube Classic Replace 300B 4300B 300BN WE300B HiFi Audio Valve Electron Tube AMP Kit(4pcs Matched Quad)
  • Vacuum Tube Rectifier 300B-TII Vacuum Tube Classic Replace 300B 4300B 300BN WE300B HiFi Audio Valve Electron Tube AMP Kit(4pcs Matched Quad)
  • Vacuum Tube Rectifier 300B-TII Vacuum Tube Classic Replace 300B 4300B 300BN WE300B HiFi Audio Valve Electron Tube AMP Kit(4pcs Matched Quad)
  • Vacuum Tube Rectifier 300B-TII Vacuum Tube Classic Replace 300B 4300B 300BN WE300B HiFi Audio Valve Electron Tube AMP Kit(4pcs Matched Quad)
  • Vacuum Tube Rectifier 300B-TII Vacuum Tube Classic Replace 300B 4300B 300BN WE300B HiFi Audio Valve Electron Tube AMP Kit(4pcs Matched Quad)

Vacuum Tube Rectifier 300B-TII Vacuum Tube Classic Replace 300B 4300B 300BN WE300B HiFi Audio Valve Electron Tube AMP Kit(4pcs Matched Quad)

preamp tubes
The has good linearity low noise and good reliability
The tube is designed for service as power rectifiers in AC operated receivers which require high currents.
The service life longer and the failure rate greatly reduced.
The special with signal and has low noises output.
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  • Detail

    preamp tubes
    Directly heated cathode medium power triode for class A1 amplification. Suitable for use in audio amplifiers
    The output power is required in 10W occasions.
    Filament heating:
    Uf(DC).................. 5V
    If(DC) ............ 1.2A
    Static parameters:
    Ua........................300V
    -Ug........................ 60V
    Ia........................60mA
    Gm........................5.5mA/V
    ri........................ 0.7 K
    u........................3.85
    Pout.................. 6.6W
    Limit rating:
    Anode voltage............ 480V
    Anode Dissipated Power...... 40W
    Cathode current:
    Self-biased.................. 100 mA
    Fixed Bias............ 70 mA
    Interpole capacitance:
    Input capacitance............ 9PF
    Output capacitance............ 4.3PF
    Cross-circuit capacitance............ 15PF
    ==========
    Hign-concerned Chemical : None
    Channels : 1
    Model Number : 300B-TII
    Maximum Power Per Channel : NO POWER
    Origin : Mainland China

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