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Vacuum Tube - 12AU7 / ECC82, JJ Electronics

Pictured: Regular
Pictured: Regular
Pictured: Gold
Pictured: Gold
Pictured: Regular
Pictured: Regular
Pictured: Gold
Pictured: Gold
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Item ID: 004437
Starting at: $10.95
In stock
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The JJ Electronic 12AU7 / ECC82 is a medium gain dual triode built with the quality and reliability that we’ve come to expect from a JJ tube. This 12AU7 offers smooth tones and clear definition which is why it’s no surprise that this tube is often found in hifi equipment as well as guitar amplifiers.

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RoHS Compliant

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Product Reviews

5.00 out of 5 based on 11 reviews



I knew what they were before purchasing them. Not sure if this will help anyone, because I use the pre-amp valves in 2 Behringer vt999 overdrive pedals to help my Fender champion 40 amp work more like a tube amp. I run one on flat settings then into the other that I control when needed. The low gain tubes keeps the signal cleaner and give the amp warmth without overdriving early. Usually I keep the gain control on zero, & control the gain by the knob on the amp itself. It isn't a tube amp but the 2 pedals working together helps fool many in thinking it is.

mpc1968.mc1 - February 20th, 2019

Not one of the three tubes I bought from you passed when tested in my tube checker. I am very disappointed. I wish you would screen your tubes before selling them to the public. I'd be willing to pay more if I could trust them to be good. It is now holding up a very important amplifier repair.

Peter Hart - December 20th, 2018

I wanted to try this 12AU7 in V1 just to see what it sounded like. It really sounded smooth but you do loose some volume.

ecruizer - March 4th, 2016

Worked very good.

david renshaw - October 16th, 2015

Fast delivery and they work perfectly for my Hammarlund HQ-180 receiver.

Joseph Roth - July 12th, 2015

Received as advertised

L. Walker - June 15th, 2015

I plugged this tube into its socket and played my guitar. I floated away into space and it was great until I realized I was in a vacuum just like inside the tube and then I was like dude inception and then I was happy.

Jon Perrelly - April 14th, 2015

A great tube for Hi Fi. Dead quiet and very warm sound. Great low end with bright highs. I would use this tube in any place a 12au7 is used.

Wolf Dog - October 11th, 2014

gives me much more headroom and more hi-fi sound

Nathan Zapotocky - September 15th, 2014

Well packed, fast delivery, worked perfectly

G - September 7th, 2014


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The following items can be substituted for this product. While not necessarily exactly the same, they will function as replacement items in your project.