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7025 WA TAD HIGHGRADE Premium Selected

Tube Amp Doctor GmbH
(10)
Preview: RT080-MASTER 7025 WA TAD HIGHGRADE Premium Selected Preview: RT080 7025 WA TAD HIGHGRADE Premium Selected Preview: RT080-MASTER 7025 WA TAD HIGHGRADE Premium Selected
RT080-MASTER 7025 WA TAD HIGHGRADE Premium Selected
RT080 7025 WA TAD HIGHGRADE Premium Selected
RT080-MASTER 7025 WA TAD HIGHGRADE Premium Selected
     
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7025 HIGHGRADE TAD Premium Selected
€40.51 *
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[description] => 7025 HIGHGRADE TAD Premium Selected
[description_long] => 
Warm, clean tone with creamy overdrive!
 
PREMIUM selected quality for the most demanding amp stages. This tube works greatly for warm clean tones and creamy overdrive. We recommend this tube for the 1st gain stage and as input tube. It upgrades 12AX7A and ECC83 tubes and replaces E83CC tubes. 
 
The HIGHGRADE Selection is the tip-of-the-top quality at the lowest noise (microphony, hum, hiss) level. Tipically only  0,5-2% out of the whole production of this tube meet the HIGHGRADE requirements.
NOTE: due to extreme demanding TAD-Selection criteria, the availability of this tube is limited. Please check the information about availability.
 
The TAD 7025 Highgrade can replace any ECC83, E83CC, ECC803S, 12AX7, 12AX7A, 12AX7M, 12AX7WA/WB/WC/LPS/EH, 5751, 7025, CV492 and CV4004
equivalent (same built) for MESA® SPAX7-A
 
 
 
DISTINCTION from RT093-HG 7025WB and RT030 7025 / E83CC HIGHGRADE:
Compared to the RT030 and RT093-HG, the RT010 has a smoother overall responce and better linearity qualifiying for natural clean tones and relaxed HiFi audio listening. The RT093-HG shows a little more edge in the high-mid range. As a result, it asserts itself tonally very well, which makes perfect sense in a band structure.
RT030 is emphasising the midrange a bit more and thus brings more warmth and a little less brilliance and depth definition than the RT010 and RT093-HG.
Due to their tonal structure the RT093-HG and the RT030 are even less prone to microphonics than the RT010 which qualifies these for use with extremely microphonic-critical amps.
The RT010 has the lowest floor noise of these 3 which might be espicially important for use in tube microphones and audio system input stages.

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[name] => Marcello Cecchi
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[comment] => I have this tube in V1 in my Marshall jcm2000 dsl 100 watts. Clean tones are warm and harmonic, overdrive tones are creamy with clarity of notes even with chords. Highly recommended!
[points] => 5
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[comment] => The Phono preamplifier I made there is about ten years already, is based on the Marantz Model 7 scheme. Three 12AX7 tubes are used, two "V1" for Right & Left, and "V2" in Cathode Follower. In order to optimize this well-known installation, I chose Mcap / Mundorf / Audyn Cap and Stiroflex capacitors.

More complicated, was to make the right choice, and find the right tubes to complete this Preamp.

After an email exchange with Stefan and Andreas, proposing the 7025 HIGHRADE TAD (RT010), I make the choice for this Tube in "V1" while keeping my JAN Philips 12AX7WA in "V2" (my favorite in this position ... ...).

Once again, the Tube Amp Doctor team was convinced and very well oriented.

Since these tubes are in use on my Phono Preamp, I left out my CDs.
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[answer_date] => 2020-03-17 17:53:38
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[name] => mattia  miglioli
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[comment] => I put this fabulous tube in my v1 princeton reverb!! AAMAZING sound, sweet, warm, high definite notes, improve sound quality and sustain, if you wanna somethin that make your amp sound like a true amp in order to get the guitar sound itself buy this tube!congratulations TAD.
[points] => 5
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[datum] => 2013-11-30 13:07:01
[answer_date] => 2020-03-17 17:53:34
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[name] => Robin
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[comment] => Slightly cleaner than the Philips 12AX7 it replaced in my Silverface Champ (1973). It has more punch and clarity, and the drive is more detailed. No more microphonic issues.

It is still running in, but is getting better every hour!
[points] => 5
[active] => 1
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[datum] => 2012-09-24 18:22:50
[answer_date] => 2020-03-17 17:53:33
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[name] => ALEJANDRO SANCHEZ LEON
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[comment] => Absolutelly a must if your V1 goes microphonic, specially in small combos but, sonically, it sounds to me a bit sterile, too much refinated.
[points] => 3
[active] => 1
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[datum] => 2010-09-03 01:26:47
[answer_date] => 2020-03-17 17:53:32
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[name] => Alex Milella
[headline] =>
[comment] => My Mesa Triaxis needs 5 tubes, and the first two (1st gain stage) now I use TAD 7025 HIGHGRADE Premium Selected giving to my Triaxis warm clean tones and creamy overdrive!!!

I really recommend these tubes for who need a great professional sound.
[points] => 5
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[datum] => 2005-01-10 02:58:39
[answer_date] => 2020-03-17 17:53:29
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[name] => salis giuliano
[headline] =>
[comment] => Le valvole in questione sono molto robuste con un sound incomparabile

complimenti
[points] => 5
[active] => 1
[email] =>
[answer] =>
[datum] => 2004-10-26 19:06:12
[answer_date] => 2020-03-17 17:53:29
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[comment] => Le valvole in questione sono molto robuste con un sound incomparabile

complimenti
[points] => 5
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[answer_date] => 2020-03-09 12:21:25
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[name] => salis giuliano
[headline] =>
[comment] => complimenti per il sito e' molto bello
[points] => 5
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[datum] => 2004-10-26 19:05:08
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[comment] => well

On my DeVille I replaced all the old 7025 (URSS made, originally installed by Fender) with the TAD 7025: now the sound comes out fastener, more sustained. On drive channel things even goes better, making the gain coming earlier. New power, more than a new DeVille
[points] => 5
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1
Part Number: RT010-MP
  • Part Number: RT080
  • Packaging Size: 2.5x2.5x8 cm
  • Packaging Weight: 0.02 kg
  • UPC: 4251594900221
  • ROHS COMPLIANT
Description Documents Reviews 10 Information about TAD Matching
Description
Full Gain - Low Noise - Triple Mica construction!   The TAD 7025 WA HIGHGRADE... more
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Product information "7025 WA TAD HIGHGRADE Premium Selected"
Full Gain - Low Noise - Triple Mica construction!
 
The TAD 7025 WA HIGHGRADE delivers full gain with smooth top end. No microphony issues even with the most sensitive preamps. The 7025 WA supports a fat midrange and creates a bold tone with lots of harmonics.
Played clean, the TAD 7025 WA delivers a warm liquid tone which is very responsive to dynamic playing.
Overdriven, the 7025 WA provides lots of sustain with well defined mid-range punch.
 
- recommended choice for most demanding guitar amp input/V1 stages
- extremly low microphony selected for most sensitive applications
- smooth top end
- full gain
- fat mid range
- tight low end
- outstanding low microphony
- low noise
- balanced systems
- triple mica construction
- replaces: 12AX7, 12AX7A/WA/WB/WC, ECC83, 7025, SPAX7-A
 
We recommend the RT080 TAD 7025WA as Inputtube for guitaramplifiers like
Diezel ("Pit Spezial"), Blackstar, Brunetti, ENGL, Fender, Marshall, Mese Boogie, Orange etc.
The TAD HIGHGRADE Selection is especially recommended for use with demanding input stages (V1)
and for all applications demanding the best selection for extremely low microphony 7025 / ECC83 / 12AX7A type tubes.
For regular applications the RT008 TAD ECC83 WA Selected can be used with the same sound and gain structure.
Tube Type: 12AX7/ECC83/7025
Socket: 9 Pin(Noval)
Selection: Highgrade
Documents
Documents...
Available downloads:
Reviews 10
Read, write and discuss reviews... more
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Customer evaluation for "7025 WA TAD HIGHGRADE Premium Selected"
From: On: 5 Oct 2018

Wow this valve is great in the v1 gain for days but ( Clean )

I love too valve I'm so happy i got this one.

From: On: 9 Jan 2017

El mejor tubo preamplificador que he probado nunca, dulce y cremos, apretado a altos volumenes sigue dulce, no rasposo ni molesto, muy musical, altamente recomendado.

From: On: 25 Jul 2014

Salve possiedo un ampli fender super twin rewerb, e da voi ho acquistato tutte le valvole per fare un chek up totale (7025 WA tad hi,12at7,7025 S premium,6L6WGC-STR GE,6C10,6CX8).Il suono è fantastico e devo dire che tad ha dei prodotti di ottima qualita.Tra l' altro la valvola 6C10 per me era introvabile.

Hello! I have a fender super twin amp reverb and have purchased all the valves to make up a total check (7025 WA tad highgrade, 12AT7, 7025 S premium 6L6WGC-STR GE, 6C10, 6CX8.) The sound is fantastic and I must say tad products are of excellent qualita. And the other valve 6C10 I didn't find anywhere else.

From: On: 2 May 2014

Great v1 tube for my vintage Orange OR80R! I also use 7025 S (v2) and ECC81 (v3) in this amp, this setup sounds really nice!

From: On: 9 Jan 2014

Replaced the stock V1 tube in my Billm-modded Blues Junior. What a difference. Copes with the expanded base capabilities of the amp very well. Very pleased with it. Need to decide what goes in V2 and 3 now.

From: On: 15 May 2013

Super fast delivery, TAD, thank you! Used it at V1 of Egnater Tweaker and it sounds really fine. No hum or microphonics. I can recommend it...

From: On: 8 Dec 2012

I put this tube in V1 position on my Mes Rect-o-verb II.

The clean channel is just fabulous, with a tight dynamic and a good articulation. Followed by a New Tung Sol and 2 TAD 0010.

Very satisfied with TAB tubes.

From: On: 21 Oct 2012

TAD 7025 WA HIGHGRADE tube makes an excellent choice for the V1 & V2 positions of my Fender Hor Rod Deluxe III guitar amplifier (TAD 12AX7A-C in V3 PI). Combined with TAD 6L6GC-STR power amp tubes, the end result produces a tone richness and musicality that I find most pleasing. The TAD tubes enhance the "organic" nature of this amp and responds well to the player's input. I now await another of these tubes for the V3 position. A great quality replacement tube, it was well worth trying out and I highly recommend them.

From: On: 30 Aug 2012

The tube works fine and very detailed in the sound, but with this tube I'm suddenly getting a periodic 50 Hz hum when the water pump i the next room starts :-) It's kind of strange as it's only with this tube plugged in I have the problem.

From: On: 10 Jan 2012

RT080 tubes arrived and are top quality. I find them as good or even better than superb RT010. I am convinced that they will still improve significantly after 50 h burning. Congratulations for the superb quality of service.

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Information about TAD Matching
Here you will find the most important information about the matching of our tubes more
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Information about TAD Matching

Here you will find the most important information about the matching of our tubes

When does a tube become a Premium Selected tube?

Power tubes
All power tubes labeled Premium Selected have passed the following tests:
-      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).
 
TAD Premium Selected tubes are guaranteed for a period of 6 months (according to terms of warranties)
for the quality criteria mentioned above.
Preamp tubes
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
 
HIGHGRADE SELECTION
But only those tubes which pass these tests best are labeled Highgrades.Typically this is approx. 3-10% from a production batch that qualifies for the HIGHGRADE rating from TAD.
Due to the very high selection requirements, this article is temporarily only available to a limited extent! Please note our shop-information on availability.
 
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.
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