Vacuum Tube - 6922 / E88CC, Electro-Harmonix
Pictured: Regular
Pictured: Gold
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Starting at: $29.15
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High frequency twin triode preamplifier tube used in studio and hi-fi equipment.
Accessory Items:
| Pin Type | Our Part Number | UPC/EAN |
|---|---|---|
| Regular | T-6922-EH | 609722128360 |
| Gold | T-6922-GOLD-EH | 841358101984 |
| Amplification Factor | 24 - 40 | ||
| Capacitance, Plate to Plate | 0.09 pF | ||
| Capacitance, Transfer | 1.5 pF | ||
| Capacitance, input | 32.5 pF | ||
| Capacitance, output | 2.0 pF | ||
| Cathode to Heater Insulation Resistance | 12.5 MΩ | ||
| Cathode to Heater Leakage Current | 16 μA | ||
| Cathode to Heater Voltage | 200 V | ||
| First to Second Triode Balance | ± 20% | ||
| Grid Circuit Resistance (Rg), Automatic Bias | 1 MΩ | ||
| Grid Reverse Current | 0.3 μA | ||
| Heater Current | 285 mA - 335 mA | ||
| Heater Voltage | Gold version | T-6922-GOLD-EH | 6.0 V - 6.5 V |
| Regular version | T-6922-EH | 6.0 V - 6.6 V | |
| Plate Current (Ia) | 10 mA - 20 mA | ||
| Plate Dissipation, per triode (Wa) | 2.0 W | ||
| Plate Voltage (Ua) | 300 V | ||
| Transconductance (S) | 10 mA/V - 16 mA/V | ||
| Packaging Dimensions | Gold version | T-6922-GOLD-EH | 2.75 in. × 1 in. × 1 in. |
| Regular version | T-6922-EH | 1 in. × 1 in. × 2.8 in. | |
| Weight (Packaging) | 0.0375 lbs. | ||
| T-6922-GOLD-EH - Gold version | Amplification Factor | 24 - 40 |
| Capacitance, Plate to Plate | 0.09 pF | |
| Capacitance, Transfer | 1.5 pF | |
| Capacitance, input | 32.5 pF | |
| Capacitance, output | 2.0 pF | |
| Cathode to Heater Insulation Resistance | 12.5 MΩ | |
| Cathode to Heater Leakage Current | 16 μA | |
| Cathode to Heater Voltage | 200 V | |
| First to Second Triode Balance | ± 20% | |
| Grid Circuit Resistance (Rg), Automatic Bias | 1 MΩ | |
| Grid Reverse Current | 0.3 μA | |
| Heater Current | 285 mA - 335 mA | |
| Heater Voltage | 6.0 V - 6.5 V | |
| Plate Current (Ia) | 10 mA - 20 mA | |
| Plate Dissipation, per triode (Wa) | 2.0 W | |
| Plate Voltage (Ua) | 300 V | |
| Transconductance (S) | 10 mA/V - 16 mA/V | |
| T-6922-EH - Regular version | Amplification Factor | 24 - 40 |
| Capacitance, Plate to Plate | 0.09 pF | |
| Capacitance, Transfer | 1.5 pF | |
| Capacitance, input | 32.5 pF | |
| Capacitance, output | 2.0 pF | |
| Cathode to Heater Insulation Resistance | 12.5 MΩ | |
| Cathode to Heater Leakage Current | 16 μA | |
| Cathode to Heater Voltage | 200 V | |
| First to Second Triode Balance | ± 20% | |
| Grid Circuit Resistance (Rg), Automatic Bias | 1 MΩ | |
| Grid Reverse Current | 0.3 μA | |
| Heater Current | 285 mA - 335 mA | |
| Heater Voltage | 6.0 V - 6.6 V | |
| Plate Current (Ia) | 10 mA - 20 mA | |
| Plate Dissipation, per triode (Wa) | 2.0 W | |
| Plate Voltage (Ua) | 300 V | |
| Transconductance (S) | 10 mA/V - 16 mA/V |
 Specification Sheet for Regular | T-6922-EH |
| Specification Sheet for Gold | T-6922-GOLD-EH |
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Product Reviews
These are working very well in my Audible Illusions Modulus 2c - very well indeed! This wonderful preamp is VERY demanding of its tubes - they have to be low noise and have very low microphonics. These tubes are both those things. For what ever reason, one had to have its pins tweaked in order to fit firmly in the socket - this may be the socket, though.
The overall sound is excellent - with good, clear extended highs, but still very well balanced, bottom to top. Soundstage is wide and deep, when the recording is good.
Recommended. I will find out how they last, but they are starting out very well, indeed.
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