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Ray Tubes - SELECT EL84 Power Pentode Vacuum Tubes
SKU
RT-SL-EL84
Ray Tubes - SELECT EL84 Power Pentode Vacuum Tubes is available to buy in increments of 1
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Ray Tubes - SELECT EL84 Power Pentode Vacuum Tubes
The Ray Tubes SELECT EL84 is a nine-pin power pentode for the output stage of amplifiers designed for EL84 or 6BQ5 tubes. It gives listeners a current-production option when replacing worn tubes or trying a different voicing in an amplifier they already enjoy.
Ray Tubes selects and tests each tube by hand. Low noise and low microphonics are among the selection goals, and the gold-plated pins help resist corrosion at the socket contacts. The sound has a warm, full midrange and firm bass, with clear separation between voices and instruments in busier recordings.
The SELECT EL84 is offered as a matched pair, or matched quad. The matched sets suits amplifiers that call for multiple output tubes. A handbook with burn-in guidance is included.
Features:
- EL84 power pentode for compatible amplifier output stages
- 9-pin base for EL84 and 6BQ5 applications
- Hand selected and tested for low noise and microphonics
- Gold-plated pins help resist corrosion at socket contacts
- Available as a single tube, matched pair, or matched quad
- Includes a handbook with burn-in guidance
Specifications:
| Tube Type | EL84 / 6BQ5 |
| Tube Socket | 9-pin |
| Heater Voltage | 6.3 V |
| Heater Current | 0.76 A |
| Maximum Ratings | Anode voltage: 500 V Anode dissipation: 12 W Screen grid voltage: 300 V Screen grid dissipation: 2 W Cathode current: 65 mA Control grid voltage: −100 V Heater-to-cathode voltage: ±100 V |
| Grid Circuit Resistance | Fixed bias: 300 kOhms Self bias: 1,000 kOhms |
| Interelectrode Capacitance | Input capacitance: 10.8 pF Output capacitance: 6.5 pF Transfer capacitance: 0.5 pF Grid-to-heater capacitance: 0.25 pF |
| Operating Parameters | Anode voltage: 256 V Screen voltage: 256 V Cathode resistor: 120 Ohms Anode current: 48 mA Screen current: 7 mA Transconductance: ≥9 mA/V Internal resistance: 38 kOhms Amplification factor: 19 |
| Warranty | 1-year manufacturer warranty |
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