JJ Electronic 12AX7 twin triode

12AX7 also known as  ECC83S or 7025

The JJ 12AX7 ECC83s (sometimes called a 12AX7 and sometimes called an ECC83s.. (both are accurate) is a well balanced colourful tube with strong lows & mids whilst also providing smooth highs, allowing for more clean head-room compared to some of the higher gain 12AX7s.

When pushed, this tube offers a clean distortion with an all balanced sound across the lows, mids and highs. This is an all-around great tube and one of my personal favourites. I use JJs in a lot of my amps and they have served me well. I like bluesy through to rock and roll.. these tubes work for all as well as a gorgeous clean sound. A++

What is the ideal use for this tube?

The 12AX7 is a 9 pin tube commonly found in the preamp stage of guitar amps but is also highly recommended for studio pre-amps and hi-fi gear.

Great bang for the buck.. a good all-around performer without paying too much.

Ever wanted to know more about the 12AX7  visit this link 12AX7


SKU 12ax7jj
Brand JJ Electronics
Shipping Weight 0.1200kg
Shipping Width 0.050m
Shipping Height 0.050m
Shipping Length 0.090m
Shipping Cubic 0.000081000m3
Unit Of Measure ea
Assembled Length 0.070m
Assembled Height 0.020m
Assembled Width 0.020m


By: on 17 May 2023


By: on 17 May 2023

12AX7 ECC83s 7025 JJ Electronics

By: on 30 March 2022
Great product & very prompt service.

Great valve,great value!

6 September 2019
Not much more to say really!,great value,super-quick delivery,just cannot possibly complain!

JJ tubes 12AX7

26 February 2019
Really reliable pre-amp tubes. Good price. A+

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