Vacuum Tube - 12AU7A / ECC82, Tube Amp Doctor, Premium Selected
The Perfect Choice for Stereo Audio Applications - Ideal as a Balanced Driver
Latest revision providing great musical performance and rich tone. This TAD 12AU7A / ECC82 has especially strong systems which are selected to provide two symmetric triodes. The perfect choice for stereo audio applications and ideal as a balanced driver.
Replaces 6N10, 6189W, 5814A 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
SKU:
T-12AU7A-TAD
Item ID:
010003
UPC/EAN:
609722165150
Tube Amp Doctor Part Number:
RT005
Brand:
Tube Amp Doctor (TAD)
Type:
RoHS Compliant
Accessory Items:
Body Height | 50 mm | ||
Bulb Temperature | 200°C | ||
Cathode Current (Ik) | 20 mA | ||
Cathode to Heater Voltage | ≤ 160 V | ||
D.C. Grid Voltage, negative | -100 V | ||
D.C. Grid Voltage, positive | 0 V | ||
D.C. Plate Voltage | 330 V | ||
Grid to Cathode Capacitance (cg/k) | 1.8 pF | ||
Grid to Heater Capacitance (cg/h) | 0.2 pF | ||
Grid to Plate Capacitance (ca/g) | 1.4 pF | ||
Heater Current | 0.15 / 0.3 A | ||
Heater Voltage | 6.3 / 12.6 V | ||
Item Diameter | 22.7 mm | ||
Item Height | 57 mm | ||
Plate Dissipation (Wa) | 2.75 W | ||
Plate to Cathode Capacitance | 0.3 pF |
Packaging Dimensions | 1 in. × 1 in. × 3.25 in. | ||
Weight (Packaging) | 0.0309 lbs. |
Specification Sheet | All Models |
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Product Reviews
Really well-matched and stable 12AU7A. It greatly improved the performance of my VTVM..
I bought this for my Auris Euterpe headphone amp, based on the good reviews here, but was disappointed in this tube. Maybe I got a bad one, but the highs were very rolled-off and there was audible distortion. Maybe this tube would be ok for a guitar amp, but not for hi-fi. Thankfully, I was able to exchange for a JJ Electronic Long Plate 12AU7/ECC802S, which is a wonderful tube for my headphone amp. Thanks to this dealer for their exchange policy.
Large selection of tubes, reasonable prices and fast delivery. There is nothing more to ask for.
Did a quick test before installing this tube in a Ampeg VT60 where
it is used as the phase inverter/driver to a pair of 6L6s.
One side read 80 and the other 81 on a Heathkit TC-1 simple emission
tester. Fired the amp up and great tone and was able to adjust the hum balance
to a dead quite null which I could not do before.
I never have any worries ordering from AES (tubesandmore.com)
So far, I can say I really like this brand of current production 12AU7A tubes. I use them for both audio applications and one of my scopes also takes these tubes in the vertical sync section. They tend to be thicker than other brands, but that is not an issue for my equipment. They seem well made and have worked very well so far. They are made in Germany, too, which I like.