Vacuum Tube - 5751, Tube Amp Doctor, Premium Selected
Low-noise Tube for Best Clean Tone!
The TAD Selected 5751 is Tube Amp Doctor's first choice for noticeably improved clarity, smoothness, and a true vintage tone character for most guitar amps! There will still be plenty of gain - so if you own a high-gain preamp that does not have these classic crunch characteristics, the 5751 tube will work wonders. In hi-fi preamps and CD players, the TAD selected 5751 will lower the noise floor and sound smoother and clearer than many 12AX7 tubes.
Especially this low-noise tube is recommended for best clean tone with big bottom, warm midrange and silky top end. Performs great for HiFi too! Replaces any 12AX7A/WA, ECC83, 7025 etc.
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
Accessory Items:
| Body Height | 49.2 mm | ||
| Bulb Temperature | 180°C | ||
| Cathode Current (Ik) | 5 mA | ||
| Cathode to Heater Voltage | ≤ 90 V | ||
| D.C. Grid Voltage, negative | -50 V | ||
| D.C. Grid Voltage, positive | 0 V | ||
| D.C. Plate Voltage | 300 V | ||
| Grid to Cathode Capacitance (cg/k) | 1.6 pF | ||
| Grid to Heater Capacitance (cg/h) | 1.3 pF | ||
| Grid to Plate Capacitance (ca/g) | 1.7 pF | ||
| Heater Current | 0.175 / 0.375 A | ||
| Heater Voltage | 6.3 / 12.6 V | ||
| Item Diameter | 22.0 mm | ||
| Item Height | 56.3 mm | ||
| Plate Dissipation (Wa) | 1 W | ||
| Plate to Cathode Capacitance | 0.3 pF | ||
| Packaging Dimensions | 3.25 in. × 1 in. × 1 in. | ||
| Weight (Packaging) | 0.035 lbs. | ||
 Specification Sheet | All Models |
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