| Description | | |
- ECC81/12AT7-CZ
- Premium Selected
- Optimised for use as a balanced phase driver
- Also provides powerful amplification, which ideally meets the special requirements as a driver tube for the improved dynamics of the output stage
|
- Applications: pre-amplification, Reverb
- Type: Double triode
- Origin: Russia
- Quality: Replacement tube having exactly the same characteristics as the originals.
- High quality tube
|
- Soft Sound
- Very round in overdrive
- Strong pressure on mitten and in overdrive
- Less gain than RT001
| 12AX7 (ECC83) TUNG-SOL
The Ultimate 12AX7. Big, warm, and musical. High Gain, ultra-low microphonics, and superb linearity with a dynamic 3-D sound.
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| Content | Matched Pair 5751 = a 12AX7 with a bit less gain and big plus on tone! Low-noise Tube for Best Clean Tone!
The TAD Selected 5751 is our 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.
NOTE: SRV used a 5751 to improve his clean tone with vintage Fender amps producing that thick and three-dimensional bold tone.
- Low Noise Test
- Microphonic Test
- Gain Test
- Sonic Tests
- Shock Tests
- Listening Tests
- Balanced Output Test
Matching and Selecting Options for Preamp Tubes
Matching in Pairs for preamp tubes means that two tubes show identical gain, hence, four characteristically identical systems.
This matching method includes our Balance-Selection. We highly recommend this matching method for hi-fi systems.
| Tube Type: |
5751(12AX7/ECC83) |
| Socket: |
Noval(9 Pin) |
| Selection: |
Premium |
| The TAD JJ EL34 Quartett Matched Tubes
The JJ Electronic EL34 is another classic from JJ.
This tube features a rugged construction leading to an incredibly reliable EL34 with astonishing tone.
Overall the sound is nicely balanced with tight lows, a rich and dynamic mid range and clear highs.
The JJ EL34 is a great replacement for guitar amplifiers and stereo amps.
Base: OCTAL
uf = 6,3 V
I f = 1,5 a
Typical Characteristics:
ua = 250 V
ug3 = 0 V
ug2 = 265 V
ug1 = from -10 to -13,5 V
(for eL34)
from -13,5 to -16,5 V V
(for e34L)
I a = 100 ma
I g2 = 14,9 ma
S = 11 ma/V
R i = 15 kΩ
μ g2/g1 = 11
Limiting Values:
ua0 = 2000 V
ua = 800 V
W a(max) = 25 W
ug20 = 800 V
ug2 = 450 V
W g2(max) = 8 W
I k = 150 ma
uk/f = 100 V
R k/f = 20 kΩ
Capacitances:
c g1 = 15,5 pf
c a = 10 pf
c a/g1 = 1,3 pf | The JJ ECC81 / 12AT7 tube is a low noise and low microphonic preamp tube. A good choice for phase inverters and reverb circuits calling for 12AT7 tubes.
- 9 pin miniature preamp tube (amplification factor = 60),
- Less gain than a 12AX7
- Preferred by blues and jazz guitarists alike
| Socket: |
Noval(9 Pin) |
| Tube Type: |
12AT7/ECC81/6201 |
|
Superior large plate format Twin Triode, ideal for use in driver and reverb circuits. Offers superior dissipation compared to NOS versions of this tube. Made in Russia Sovtec
- Excellent 12AT7 choice choice for HiFi
- Also suitable for guitar amp circuits
- ECC81 equivalent
12AT7/ECC81/6201/ 9Pin Socket Noval |
Selected ECC83 for the big & warm clean sounds (great for HiFi too!) and mellow top-end when pushed to overdrive. Our recommendation if you want to emphasize punchy mids. Especially great when pushed into a fat overdrive.
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
Premium Selected
We call the tubes SELECTED which have passed above tests and thus qualify as reliable all-round tubes of their type.Typically this is around 30-60% from a batch that receives the SELECTED label from TAD.
For applications in particularly sensitive functions such as V1 or input stage with combo amps, V1 in high-gain amps, tube microphones and phono preamps, we recommend using the respective HIGHGRADE selection
Matching and Selecting Options for Preamp Tubes
Matching in Pairs for preamp tubes means that two tubes show identical gain, hence, four characteristically identical systems.
This matching method includes our Balance-Selection. We highly recommend this matching method for hi-fi systems.
TAD Premium Selected/Highgrade tubes are guaranteed for a period of 6 months (according to terms of warranties)
for the quality criteria mentioned above.
| Tube Type: |
12AX7/ECC83/7025 |
| Socket: |
Noval(9 Pin) |
| Selection: |
Premium |
| Description
NN099-MP Tung Sol 12AX7 / ECC83 Mached Pair
Premium high gain Twin Triode featuring ultra-low microphonics, and a big, warm and very musical soundstage. Performance surpassing NOS original in all areas.
- Improved reissue of the Vintage NOS Tung Sol 12AX7
- Superb linearity with a dynamic 3-D sound
- Preferred by guitar technicians for re-tubing and upgrading, but equally well suited for HiFi applications
- 7025 / ECC83 equivalent
- Made In Russiα
Strongly committed to quality manufacturing, Tung Sol tubes have always been known for their reliability and great tone. Today’s new production Tung Sol tubes are constructed with the same commitment to quality and reliability. Tung Sol tubes reflect the best in vintage Tung-Sol construction with unsurpassed tone and reliability. |
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