Vacuum Tube - 12AX7A-C / ECC83, Tube Amp Doctor, Premium Selected

Tube Amp Doctor (TAD)
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Vacuum Tube - 12AX7A-C / ECC83, Tube Amp Doctor, Premium Selected

$16.95
In stock

9 pin miniature preamp tube (Amplification Factor =100).

Perfect V2+ Preamp Tube - Good Gain - Tight Deep Bass - Fat Mid-range!!

Very good gain, tight deep bass, fat mids and silky top end with overall definition and brightness. Selected with balanced systems and recommended for guitar amps to improve overall response.

Best for clean tones as well as for sounds requiring deep-bass power like any modern preamp. Recommended for all positions in amps with medium gain level or High-Gain Amps for V2+ positions.

The TAD 12AX7A-C can replace any 7025, 12AX7WA, 12AX7WB, 12AX7LPS, 12AX7EH, ECC83 or E83CC.

1st choice for:
Boogie®, Brunetti®, Diezel® , Engl®, Fender®, Hughes & Kettner®, Koch®, Laney®, Marshall®, Soldano®, Trace Elliot® and so many more.

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

RoHS Compliant
SKU:
T-12AX7-PS-TAD
Item ID:
004450
UPC/EAN:
609722123303
Brand:
Tube Amp Doctor (TAD)
Product Measurements
Body Height49 mm
Bulb Temperature160°C
Cathode Current8 mA
Cathode To Heater Potential150 V max
Dc Plate Voltage330 V
Grid To Cathode Capacitance1.7 pF
Grid To Heater Capacitance0.2 pF
Grid To Plate Capacitance1.5 pF
Heater Current0.15 / 0.3 A
Heater Voltage6.3 / 12.6 V
Item Diameter22.5 mm
Item Height56 mm
Negative Dc Grid Voltage-55 V
Plate Dissipation1.2 W
Plate To Cathode Capacitance0.3 pF
Positive Dc Grid Voltage0 V
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 (251.01 KB)Specification Sheet

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Product Reviews

5.00 out of 5 based on 1 reviews
Anonymous - June 3rd, 2011

I just replaced caps and a few other things out of whack on a Fender Black Face Princeton Reverb ... sweet amp, but needing some care. Having done this, I installed these TAD 6V6GTBs and found the tone to be quite pleasing, better than it ever had been on this amp. Was it the tubes or the refurbishing of the amp that gave such great tone? Probably both ... but for sure the tubes played their part. These tubes make this old amp sound like a vintage amp should, clear, articulate, with no thin or clangly notes, all rich, with good sustain and just the right amount of grit, whether it be with a Tele, Strat, or Les Paul. Perhaps not quite as loud and aggressive as JJs, which to my ears produce a more "rock" kind of vibe. These TADs are more like the Tung Sol 6V6GT (another great tube), which has that fat, compressed, vintage bluesy vibe, but are also perhapsl a bit chimier, in a good way. I highly recommend these tubes. Dealings with Amplified Parts good ... everything ordered arrived quickly and intact.

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