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

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

Tube Amp Doctor (TAD)
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$17.82
In Stock
Quantity in stock: 43

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)
Product Measurements by Type
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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Specifications, Files, and Documents

PDF: Specification Sheet Specification Sheet304.14 KB

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Product Reviews

5.00 out of 5 based on 7 reviews
- July 9th, 2020
5 out of 5

Great sound with the TAD 12AT7. As an inverter tube for my Fender amps, I can hit a better controlled sweet spot in my volume.

- July 6th, 2020
5 out of 5

I bought these to use as a reverb tube replacement in a Fender concert pro tube series guitar amp. These tubes are great. Very quiet and clean. I like em a lot! Very satisfied!

- February 19th, 2016
5 out of 5

The TAD 12AT7 with matched sections solved a big problem in my Dual Showman. The Phase Inverter now delivers exactly the same drive voltage to both sets of power tube grids in the correct manor, without any circuit adjustments whatsoever. This is the perfect tube to allow a completely stock 50-year-old amplifier to work like the day it was new!

- January 31st, 2016
5 out of 5

Used in Vox Ac15C1X for the verb driver. I like the TAD tubes!

- January 12th, 2016
5 out of 5

Best selection. Impressive knowledge base on each product. Super fast service and the best prices.

- June 2nd, 2015
5 out of 5

I put two of these in my SuperSonic. It was eating reverb drivers at an alarming rate and I did not want to lose another NOS so I tried these. Held up for the first two hour gig and the reverb sounded the best I have ever heard it sound.

- May 9th, 2015
5 out of 5

GREAT QUALITY !!!!! AWSOME TUBES

Substitute Products

The following items can be substituted for this product. While not necessarily exactly the same, they will function as replacement items in your project.