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Vacuum Tube - 12AT7 / ECC81-C, Tube Amp Doctor, Premium Selected
Rich-sounding Reverb Driver - Also Great for Headphone Amps!
Latest version: Low noise tube, selected for best symmetry and balance. A strong driver tube and a wounderfully rich-sounding reverb driver. Also used in the great Brocksieper EARMAX / EARMAX PRO headphone amps and other High-End Audio amplifiers.
Q: When does a preamp tube become a Premium Selected tube?
A: All preamp tubes labeled Premium Selected have passed the following tests:
- Low Noise Test
- Microphonic Test
- Gain Test
- Sonic Tests
- Shock Tests
- Listening Tests
- Balanced Output Test
SKU:
T-12AT7-TAD
Item ID:
009591
UPC/EAN:
609722148696
Tube Amp Doctor Part Number:
RT002
Brand:
Tube Amp Doctor (TAD)
Type:
| Body Height | 49 mm | |
| Bulb Temperature | 190°C | |
| Cathode Current (Ik) | 15 mA | |
| Cathode to Heater Voltage | ≤ 100 V | |
| D.C. Grid Voltage, positive | -55 V | |
| D.C. Plate Voltage | 330 V | |
| Grid to Cathode Capacitance (cg/k) | 2.2 pF | |
| Grid to Heater Capacitance (cg/h) | 1.4 pF | |
| Grid to Plate Capacitance (ca/g) | 1.5 pF | |
| Heater Current | 0.15 / 0.3 A | |
| Heater Voltage | 6.3 / 12.6 V | |
| Item Diameter | 22.5 mm | |
| Item Height | 56 mm | |
| Plate Dissipation (Wa) | 2.5 W | |
| Plate to Cathode Capacitance | 0.2 pF |
| Packaging Dimensions | 1 in. × 1 in. × 3.25 in. | |
| Weight (Packaging) | 0.037 lbs. |
 Specification Sheet | All Models |
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