TAD 7025/E83CC HighGrade Tube Premium Selected For HiFi Amplifier

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31.00 incl. GR VAT

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Premium selected quality for the most demanding amp stages.
Great warm clean tones and fat overdrive with smooth top end.
Recommended for 1st gain stage.
Upgrades 12AX7A and ECC83 tubes.
Replaces 7025 tubes.

Premium selected quality for the most demanding amp stages.
Great warm clean tones and fat overdrive with smooth top end.
Recommended for 1st gain stage.
Upgrades 12AX7A and ECC83 tubes.
Replaces 7025 tubes.

 

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Great warm clean tones, strong bass, punchy mids and fat overdrive with smooth top end.
No Microphony, No Hum – Clean Warm Tone, Punchy Mids, 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
HIGHGRADE SELECTION
But only those tubes which pass these tests best are labeled Highgrades.
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: 12AX7/ECC83/7025
Socket: Noval(9 Pin)
Selection: Highgrade
Weight 0.2 kg

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Quick Comparison

TAD 7025/E83CC HighGrade Tube Premium Selected For HiFi Amplifier removeJJ Electronic ECC81 Preamplifier - Amplifier Tube 12AT7 HiFi removeTAD RT102 6L6GC-STR PAIR Tubes 6L6G Redbase Premium Pair Matched removeElectro Harmonix 12AT7 Tube ECC81 For Guitar Amp. Russia removeTAD 12AX7A-C ECC83 Premium Selected Tube For HiFi Amplifier removeFender Groove Tubes 12AT7 High Quality remove
NameTAD 7025/E83CC HighGrade Tube Premium Selected For HiFi Amplifier removeJJ Electronic ECC81 Preamplifier - Amplifier Tube 12AT7 HiFi removeTAD RT102 6L6GC-STR PAIR Tubes 6L6G Redbase Premium Pair Matched removeElectro Harmonix 12AT7 Tube ECC81 For Guitar Amp. Russia removeTAD 12AX7A-C ECC83 Premium Selected Tube For HiFi Amplifier removeFender Groove Tubes 12AT7 High Quality remove
ImageRT030-tad-7025-E83CC-tube-amplifier-valvejj electronic ecc81 12at7 vacuum tube valve amplifier preamplifiertad valve tubes 6l6gcm pair matched rt102 redbasenn052 ecc81 12at7 reverb guitar amplifierRT001-12AX7A-C-tube-amplifier-ecc83 fender
SKURT030 7025NN052RT102NN062-12AT7RT001-12AX7GT-12AT7
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DescriptionPremium selected quality for the most demanding amp stages. Great warm clean tones and fat overdrive with smooth top end. Recommended for 1st gain stage. Upgrades 12AX7A and ECC83 tubes. Replaces 7025 tubes.
  • 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
  • Very good gain, tight deep bass, fat mids and silky top end with overall definition and brightness.
  • Selected and recommended for guitar amps to improve overall response.
  • Best for clean tones as well as for those deep-bass required for modern preamps.
  • The TAD 12AX7A-C became the 1st choice for Boogie®, Brunetti®, Diezel® , Engl®, Fender®, Hughes & Kettner®, Koch®, Laney®, Marshall®, Soldano®, Trace Elliot® and so many more.
Content
Great warm clean tones, strong bass, punchy mids and fat overdrive with smooth top end.
No Microphony, No Hum - Clean Warm Tone, Punchy Mids, 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
HIGHGRADE SELECTION
But only those tubes which pass these tests best are labeled Highgrades.
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: 12AX7/ECC83/7025
Socket: Noval(9 Pin)
Selection: Highgrade
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
RT102 6L6GC-STR PAIR mactched Redbase TAD PREMIUM Selected The Classic 6L6 Sound - Excellent Tone and Maximum Lifetime!
The TAD 6L6GCM-STR REDBASE is a latest 6L6GC designed and built  to claim to be the best 6L6 type tube ever manufactured.
A damn high claim, but we are sure that we have achieved exactly that.
In terms of sound, the TAD 6L6GCM-STR REDBASE produces the powerful but always defined bass response known from the legendary american built NOS RCA 6L6GC, with clear, unobtrusive and yet transparent highs. In every setting, the TAD 6L6GCM-STR REDBASE responds directly and with noticeable dynamics, from buttery soft and warm to powerful and brutal without losing any details or depth.
This makes the TAD 6L6GCM-STR an effective upgrade for every amplifier using 6L6GC or 5881 tubes; also repalces any EL37, CV586, VT115A, 6L6GA, 6L6GB, 6L6WGB, 6L6WGC, STR-440, STR-454, 6p3p, 6p3s, 6p3s-e etc.
The TAD 6L6GCM-STR REDBASE combines the structural advantages of the robust American Philips / Sylvania 6L6GC, also known as MESA 6L6GC-STR415, and the sound quality of the legendary RCA 6L6GC tubes.
Silky highs, defined, deep bass and lots of headroom recommend the TAD 6L6GCM-STR REDBASE for lively clean sounds as well as a powerful broadband power amplifier for multi-channel amps.
 
REDBASE (TM)
The new TAD Redbase series combines the latest manufacturing technologies with traditional design and flawless quality. The TAD Redbase series is exclusivly built on a TAD production line that has been optimized especially for the TAD Redbase series. At TAD in Germany, the tubes of the STR series receive a special, additional burn-in treatment and formatting process in preparation for the TAD Premium-Matching, which optimizes the quality of the cathode emission and opens up an exceptionally detailed sound structure.
-      Plate Current (PC) and Amplification (TC)
-      Low Noise Test
-      Microphonic Test
-      Sonic Tests
-      Shock Tests
-      Listening Tests
-      Shorts & Leakage Tests
Premium RT-Matching of Power Tubes
Our Premium Matching> is an exact matching of power tubes with identical Plate Current (PC) and Transconductance (TC).
Tube Type: 6L6/5881
Socket: Octal(8Pin)
Selection: Premium
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
Product information "12AX7A-C / ECC83 TAD Premium Selected"
Perfect V2+ Preamp Tube - Good Gain - Tight Deep Bass - Fat Mid-range!!
The TAD 12AX7A-C / ECC83 TAD Premium Selected provides 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.
As for V1 in general, but especially for higher gain amps or phono/audio-amps, we recommend the RT010 7025 Highgrade, the RT030 E83CC/7025 Highgrade or RT093-HG 7025-WB Highgrade
The TAD 12AX7A-C can replace any 7025, 12AX7WA, 12AX7WB, 12AX7LPS, 12AX7EH, ECC83 or E83CC.
1st choice for:
Blackstar®, Boogie®, Diezel®, Engl®, Fender®, Hughes & Kettner®, Koch®, Laney®, Marshall®, REVV®, Soldano®, Two Rock®, VOX® and so many more.
 
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
   
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
Weight0.2 kg0.10 kg1.00 kg0.10 kg0.10 kg0.20 kg
DimensionsN/AN/AN/AN/AN/AN/A
Additional information
Weight 0.2 kg
Weight 0.10 kg
Weight 1.00 kg
Weight 0.10 kg
Weight 0.10 kg
Weight 0.20 kg