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Tube Amp Doctor T-7025-HG-TAD Vacuum Tube - 7025, Tube Amp Doctor, High Grade
Brand Tube Amp Doctor
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Product Description
Manufacturer Part Number: T-7025-HG-TAD
Warm, clean tone with creamy overdrive!
PREMIUM selected quality for the most demanding amp stages. This tube works greatly for warm clean tones and creamy overdrive. We recommend this tube for the 1st gain stage and as input tube. It upgrades 12AX7A and ECC83 tubes and replaces E83CC tubes.
The HIGHGRADE Selection is the tip-of-the-top quality at the lowest noise (microphony, hum, hiss) level. Typically only 0.5-2% out of the whole production of this tube meet the HIGHGRADE requirements.
The TAD 7025 Highgrade can replace any ECC83, E83CC, 12AX7, 12AX7A, 12AX7M, 12AX7WA/WB/WC/LPS/EH, 5751 or 7025.
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
Measurements and Specs
Files
Warm, clean tone with creamy overdrive!
PREMIUM selected quality for the most demanding amp stages. This tube works greatly for warm clean tones and creamy overdrive. We recommend this tube for the 1st gain stage and as input tube. It upgrades 12AX7A and ECC83 tubes and replaces E83CC tubes.
The HIGHGRADE Selection is the tip-of-the-top quality at the lowest noise (microphony, hum, hiss) level. Typically only 0.5-2% out of the whole production of this tube meet the HIGHGRADE requirements.
The TAD 7025 Highgrade can replace any ECC83, E83CC, 12AX7, 12AX7A, 12AX7M, 12AX7WA/WB/WC/LPS/EH, 5751 or 7025.
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
Measurements and Specs
| Body Height | 59 mm | |
| Bulb Temperature | 160°C | |
| Cathode Current (Ik) | 8 mA | |
| Cathode to Heater Voltage | ≤ 150 V | |
| D.C. Grid Voltage, negative | -55 V | |
| D.C. Grid Voltage, positive | 0 V | |
| D.C. Plate Voltage | 330 V | |
| Grid to Cathode Capacitance (cg/k) | 1.7 pF | |
| Grid to Heater Capacitance (cg/h) | 0.2 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) | 1.2 W | |
| Plate to Cathode Capacitance | 0.3 pF |
| Packaging Dimensions | 3.25 in. × 1 in. × 1 in. | |
| Weight (Packaging) | 0.038 lbs. |
Files
| Specification Sheet | All Models |
Attention CA Residents: Prop 65 Warning
WARNING:
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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