PSVANE Classic 300B-PT Vacuum Tube Premium 300B Direct Replacement for Tube Amplifiers Hi-Fi AudioFree shipping with tracking number.Warranty : 1 yearPrice is for 1 PC, ship by fast shipping methodBuy 2 pcs, we will send matched pair, if you need more, and matched, please
contact us
Product Title: PSVANE Classic 300B-PT Vacuum Tube
Sound Characteristics:
Even as an entry-level model in the Classic Series, the 300B-PT maintains excellent sonic balance and accuracy. Compared to competing products, it demonstrates clear advantages in musicality, detail retrieval, textural realism, and frequency response. It is increasingly being widely adopted by hi-fi audio manufacturers in Europe and America.
Technical & Craftsmanship Features:
-
Patented Ceramic Base: Utilizes a uniquely patented ceramic base plate that is moisture-resistant, offers high voltage withstand, and provides extremely high insulation, ensuring superior stability and reliability.
-
Metal Base: Features an elegant metal tube base with precision metalwork craftsmanship for a refined aesthetic.
-
Gold-Plated Pins: Employs genuine gold-plated pins to ensure optimal solderability and superior electrical contact.
SKU: 300B-PT
Series: Classic Series
Tags: Classic Series, 300B, Vacuum Tube, Upgrade
Technical Specifications
Filament Voltage
Uf (Filament Voltage) .................... 5 V
If (Filament Current) ..................... 1.2 A
Maximum Ratings
Anode Voltage (Ua max) .................... 480 V
Anode Dissipation (Pa max) ................ 40 W
Cathode Current
Self-Bias (Fixed Bias not applied) ........ 100 mA
Fixed Bias ................................ 70 mA
Inter-Electrode Capacitances
Input Capacitance (Cin) ................... 9 pF
Output Capacitance (Cout) ................. 4.3 pF
Grid-to-Anode Capacitance (Cga) ........... 15 pF
Static Operating Parameters (Typical)
Anode Voltage (Ua) ........................ 300 V
Grid Voltage (Ug) ........................ -60 V
Anode Current (Ia) ........................ 60 mA
Transconductance (Gm) ..................... 5.5 mA/V
Internal Plate Resistance (Ri) ............ 0.7 kΩ
Amplification Factor (μ) .................. 3.85
Output Power (Pout) ....................... 6.6 W
