| 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 |
| 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)
|
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 |
| 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 |
|
Made in Russia
The 6922 is used world wide in high end personal stereo systems; especially there, where value is placed on sound quality without compromise.
- Excellent E88C, EH 6922, 6DJ8W choice for HiFi
- Also suitable for guitar amp circuits
- ECC88 equivalent
| Tube Type: |
6922/ECC88/E88CC |
| Socket: |
Noval(9 Pin) |
| GROOVE TUBES GT 12AT7 PREAMP TUBE
The Groove Tubes GT-12AT7 preamp tube is manufactured to the highest quality JAN spec. NOS, made in Russia for extremely long life.
Used widely in most U.S.-made amps and, in particular, Fender amps. Fender amps with reverb use 2 - 12AT7s -- one for the reverb drive stage, and one as a phase inverter to drive the push/pull output stage. The makeup of the 12AT7 is very similar to the 12AX7 and it can be substituted for a 12AX7 in a pinch. Some players prefer the 12AT7 in the driver stage of a Marshall for a cleaner, brighter tone. (The driver or phase inverter is the 12AX7 located nearest the power tubes.) The 12AT7 is rarely used in a tone-generating stage, but rather in function stages, so the Groove Tubes GT-12AT7 is selected for durability.
Country of origin: Russia |
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