Vacuum Tube - 12AT7 / ECC81-C, Tube Amp Doctor, Premium Selected

Tube Amp Doctor (TAD)
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Vacuum Tube - 12AT7 / ECC81-C, Tube Amp Doctor, Premium Selected

$16.75
In stock

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
Brand:
Tube Amp Doctor (TAD)
Product Measurements
Body Height49 mm
Bulb Temperature190°C
Cathode Current (Ik)15 mA
Cathode to Heater Voltage≤ 100 V
D.C. Grid Voltage, positive-55 V
D.C. Plate Voltage330 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 Current0.15 / 0.3 A
Heater Voltage6.3 / 12.6 V
Item Diameter22.5 mm
Item Height56 mm
Plate Dissipation (Wa)2.5 W
Plate to Cathode Capacitance0.2 pF
Packaging Information
Packaging Dimensions1 in. × 1 in. × 3.25 in.
Weight (Packaging)0.037 lbs.

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PDF: Specification Sheet Specification Sheet304.14 KB

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