Vacuum Tube - 300B, JJ Electronics
Starting at: $179.95
This product is currently out of stock and will be placed on backorder.
The JJ Electronic 300B features a rugged construction in a massive and thick glass envelope atop a white ceramic base. This triode has a full 40 Watts of power. The robust build of the JJ 300B offers high reliability in a classy package. Each tube comes with a factory certification with sets dual matched for anode current and gain. The JJ 300B has a balanced and detailed sound with a wide frequency response.
RoHS Compliant
Single or Matched | Our Part Number | UPC/EAN | JJ Electronics Part Number |
---|---|---|---|
Matched Pair | T-300B-JJ-MP | 609722122764 | |
Matched Quad | T-300B-JJ-MQ | 609722122771 | |
Single | T-300B-JJ | 609722122757 | 300B |
Body Height | 150 mm | ||
Filament Current (If) | 1.3 A | ||
Filament Voltage (Uf) | 5 V | ||
Gain (μ) | 3.85 | ||
Grid Voltage (Ug) | -61 V typical | ||
Grid capacitance (cg1) | 17 pF | ||
Grid to Plate Capacitance (ca/g) | 7.5 pF | ||
Internal Resistance (Ri) | 700 Ω | ||
Item Diameter | 63 mm | ||
Item Height | 165 mm | ||
Plate Capacitance (ca) | 11 pF | ||
Plate Current (Ia) | 60 mA | ||
Plate Dissipation (Wa) | ≤ 40 W | ||
Plate Voltage (Ua) | ≤ 450 V, 300 V typical | ||
Transconductance (S) | 5.5 mA/V |
Packaging Dimensions | Matched Pair version | T-300B-JJ-MP | 7.3 in. × 7.1 in. × 3.6 in. |
Matched Quad version | T-300B-JJ-MQ | 7.3 in. × 7.1 in. × 7.1 in. | |
Single version | T-300B-JJ | 3.45 in. × 3.45 in. × 7.3 in. | |
Weight (Packaging) | Matched Pair version | T-300B-JJ-MP | 0.8598 lbs. |
Matched Quad version | T-300B-JJ-MQ | 1.7196 lbs. | |
Single version | T-300B-JJ | 0.4299 lbs. |
T-300B-JJ - Single version | Body Height | 150 mm |
Filament Current (If) | 1.3 A | |
Filament Voltage (Uf) | 5 V | |
Gain (μ) | 3.85 | |
Grid Voltage (Ug) | -61 V typical | |
Grid capacitance (cg1) | 17 pF | |
Grid to Plate Capacitance (ca/g) | 7.5 pF | |
Internal Resistance (Ri) | 700 Ω | |
Item Diameter | 63 mm | |
Item Height | 165 mm | |
Plate Capacitance (ca) | 11 pF | |
Plate Current (Ia) | 60 mA | |
Plate Dissipation (Wa) | ≤ 40 W | |
Plate Voltage (Ua) | ≤ 450 V, 300 V typical | |
Transconductance (S) | 5.5 mA/V | |
T-300B-JJ-MP - Matched Pair version | Body Height | 150 mm |
Filament Current (If) | 1.3 A | |
Filament Voltage (Uf) | 5 V | |
Gain (μ) | 3.85 | |
Grid Voltage (Ug) | -61 V typical | |
Grid capacitance (cg1) | 17 pF | |
Grid to Plate Capacitance (ca/g) | 7.5 pF | |
Internal Resistance (Ri) | 700 Ω | |
Item Diameter | 63 mm | |
Item Height | 165 mm | |
Plate Capacitance (ca) | 11 pF | |
Plate Current (Ia) | 60 mA | |
Plate Dissipation (Wa) | ≤ 40 W | |
Plate Voltage (Ua) | ≤ 450 V, 300 V typical | |
Transconductance (S) | 5.5 mA/V | |
T-300B-JJ-MQ - Matched Quad version | Body Height | 150 mm |
Filament Current (If) | 1.3 A | |
Filament Voltage (Uf) | 5 V | |
Gain (μ) | 3.85 | |
Grid Voltage (Ug) | -61 V typical | |
Grid capacitance (cg1) | 17 pF | |
Grid to Plate Capacitance (ca/g) | 7.5 pF | |
Internal Resistance (Ri) | 700 Ω | |
Item Diameter | 63 mm | |
Item Height | 165 mm | |
Plate Capacitance (ca) | 11 pF | |
Plate Current (Ia) | 60 mA | |
Plate Dissipation (Wa) | ≤ 40 W | |
Plate Voltage (Ua) | ≤ 450 V, 300 V typical | |
Transconductance (S) | 5.5 mA/V |
Specification Sheet | All Models |
My Project Lists
Specifications, Files, and Documents
Questions? Contact us at [email protected], or give us a call at 480-820-5411
Customers who purchased this item also bought
- Vacuum Tube - 12AX7-A, Triode, Dual, High MU
- Vacuum Tube - 5AR4, Tung-Sol Reissue
- Vacuum Tube - 5U4GB / 5AS4A, Rectifier, Full Wave
- Vacuum Tube - ECC803 / 12AX7, JJ Electronics, Long Plate
- Capacitor - JJ Electronics, 500V, 100/100µF, Electrolytic
- Capacitor - JJ Electronics, 500V, Axial Lead Electrolytic
Product Reviews