| 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 |
| Electro Harmonix EL34 EH Matched Pair(MP) Made In Russia
1 Pair matched vacuum from the excellent "Black base" pentode of high power.
Perfect EL34 for vintage equipment and to improve the performance of modern amplifiers.
Excellent music with a rich, smooth and detailed sound.
Tube Type EL34/6CA7/E34L
Socket: Octal(8pin) | Description
NN099 Tung Sol 12AX7 / ECC83
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. |
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 |
| These are the gold pin version of the standard ECC83. These tubes are immediately discerni-ble from other 12AX7. They have a construction that is similar to a frame-grid tube - similar to the Telefunken ECC803s. This construction makes them very rugged and reliable. This is one of the best new 12AX7 for any guitar amp. It is very musical - rich with great harmonics. An excellent tube in all Marshall amps in the three preamp positions.
Factory selected tubes with gold pins. These tubes provide high gain without the usual noise and microphonic problems you would expect. This is great sound and value for your money.
ECC83S is 12AX7 high gain pre-amplifying double triode. Thanks to its design it also peforms with very low noise and microphonics. Harmonically rich, with a detailed low end and a warm high end.
12AX7/ECC83/7025 / 9Pin Socket Noval | A rugged russian tube by Electro Harmonix.
Some claim the 6L6EH has been "Modeled after the vintage RCA 6L6GC "blackplate" and the 6L6EH features large plate dimensions".
To see what a real blackplate looks like see the picture on the right showing a RCA and a TAD blackplate small bottle 6L6.
Both are real black plate constructions and great for vintage guitar amps for pleasing smooth and fine complex tone structure. Best for any classic Fender Amplifier.
The 6L6EH is a very good choice for more modern hard rocking guitar sounds and recommened for this.
Tube Type 6L6/5881
Socket: Octal(8pin)
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