RFT ECC83 / 12AX7 Preamp Vacuum Tube
RFT is a German brand. The RFT ECC83 / 12AX7 vacuum tube is a durable tube with very low microphonics. The RFT ECC83 preamp tube is well known as a fantastic hard rock "crunch" tube in Marshalls, Mesa-Boogies, and similar amps. They are slightly darker sounding than many other 12AX7/ECC83 tubes.
Our stock was received in bulk packs so we have packaged these ECC83 tubes in our own white boxes.
Other NOS Treasures 
12AX7 TypesAdditional Information and Downloads
Reviews:
12AX7 Tube Review
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Warranty Information and Return Policy
Warranty Period: 3 monthsAll our tubes are guaranteed for 3 months from the date of purchase. (Any exceptions will be noted on that tube's Warranty tab)
If you receive a tube that does not perform to the manufacturer's specifications, please do the following:
- contact us to get a return authorization
- return it via regular mail within 90 days from when we shipped it, and we will provide an exchange or refund of the full purchase price of the tube.
Returns not related to warranty or defect will be considered at our discretion, and are subject to a 15% restocking fee.
We can not accept returns that don't have an authorization, are past 3 month, or are returned improperly.
These guidelines may be updated without notice.
Ratings & Reviews
23 reviews
Great tube
by Max
The RFT ECC83/12AX7 tube is a bit "under-rated" if you ask me. This tube is dark like a standard JJ, but has an open, full, lovely tone like a good NOS tube would have. This thing is dead quiet for an old tube as well. Cannot go wrong if you have never tried one!
awesome tube!
by chris
I find nothing dark about them in my tsl100 nos tubes kill the current production stuff if you want your Marshall to scream these are the bomb!
My Review
by R.N.
I got one.
Oh my god!
I put in V1 of my Vintage Modern, and it completely changed the amp. It's smooth and high gain, with tons of tight low end.
Thanks!