TAD 12AXTA/ECC81 Premium Select

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Tube 12AT7 / ECC81

Our favorite reverb in Fender amps and a particularly powerful phase driver

Fås siden Oktober 2005
Artikelnummer 186382
salgsenhed 1 stk
Preamp Tube Yes
Power Amplifier No
Matched No
Number Of Tubes 1

227 kr

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4.7 / 5

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74 Anmeldelser

Great Tube for Phase Inverter and Effect Loop

Rasmus Olesen 05.03.2018

I bought two of these tubes for my Engl Savage 120 to solve two different issues.

The Engl Savage 120 has a passive parallel effect loop, which means that using it can affect the core sound of the amp greatly. Even if the effect loop is configured to run 100%wet.
Using a 12AT7 tube in the effect loop instead of a normal 12AX7 tube, will provide more current flow which helps drive pedals and rack units. Using the effect loop sounds much better now, and if i am careful with finding pedals which match the impedance of the loop, then i cant even tell that i am using the loop anymore (apart from the effect of course ;) )

The second issue i wanted to solve, was to tighten up the power amp section. I have the an old 2009 model, which comes with the "small" output transformer. The newer versions come with the same output transformer as the Invader, which is oversized for this amp, and therefor super tight even with lots of low-end and gain.
But upgrading the output transformer of an amp is super expensive and somewhere along the way i picked up the tip that a 12AT7, used as a Phase Inverter, could help tighten up the power amp section of an amp. Both because it's lower gain than a 12AX7 but also because of it's increased current output.
Installing it actually made such a huge difference that i started having trouble controlling the amount of low-end available when using the Depth Boost. But with a bit of tweaking i found the sweet spot, and the amp is now super tight, while still having a lot of body.

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Virker som det skal

Nick H 01.02.2021

Har disse i min Twin Rever (65RI) og det fungerer, som det skal.

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Very good PI-tube

Zigguitarius 03.05.2021

I tried this tube in my Behringer V999 first, as a replacement for the rather wild Bugera-tube it came vith. It gave a minor/slight reduced drive and added some clarity to the sound. Not even close the 60 % reduction I might expected. (By the way, this was not the place I bought it for.)

It was purchased to be placed in V1 or V4/PI-pos in my VHT special 44 (or a V1 or V3 (PI) slot in my Hotrod DL), and I tried it first in my VHT V1 pos. Same result; just a slight reduction in gain/breakup. No big deal.

When this was placed in the V4/PI-slot it really showed it's worth: the quality of the sound improved on almost every aspect! Depth, clarity and general sound experience went to a new level (...of confidence and power..! Hi-hi)

I've ordered one more for my Hotrod DL, this is a killer in PI-pos!

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Used as Reverb Driver on Fender Prosonic

ylmzmert 29.04.2021

Worked like a charm for my fender prosonic combo amps reverb driver stage. Has good signal to noise ratio, solved my reverb noise issues

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TAD 12AXTA/ECC81 Premium Select

Tube 12AT7 / ECC81

Rør 12AT7 / ECC81

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211 Kundebedømmelser

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TAD 12AXTA/ECC81 Premium Select

Tube 12AT7 / ECC81

Rør 12AT7 / ECC81

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211 Kundebedømmelser

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