JJ EL84 / 6BQ5 Power Vacuum Tube (Matched)

10 Reviews

Availability: Usually ships within 24 hours.

USD $‎19.95
1 – 4USD $‎19.95
5 – 99USD $‎18.95

Need matched power tubes? Don't worry! Price includes matching in any quantity you need for no extra charge. Need a matched pair? Just order "2" tubes. For a matched quad order "4" tubes. Matched sextets and octets are available as well.

From our review of this EL84 vacuum tube: "With the JJ EL84 power tube you seem to get a compromise between tone and reliability. Nice mids, sparkling highs and solid bottom end characterize this tube. From a construction standpoint I think JJ has hit the mark. As with any EL84 tube they can be prone to mechanical noise in combo amps. However, they seem to take the heat and vibration in stride without any negative tonal effects. In the AC30 the JJ EL84 tube will really deliver the VOX chime with lots of swirl and shimmery harmonic content. In the little Pro Junior just crank it up and you get a great, nasty, overdriven sound."

These are the same tubes that Groove Tubes relabels as GT-EL84-S.

Other JJ Electronics tubes

Additional Information and Downloads

EL84 Tube Review

Tube Matching Information:
Power Tube Matching FAQ
Perfect Pair System

JJ EL84 / 6BQ5 Datasheet (PDF)

Download Adobe Acrobat PDF reader

Warranty Information and Return Policy

Warranty Period: 3 months

All 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.

JJ EL84 / 6BQ5 | They’re OK


I replaced the Groove Tubes in my Blues Jr with a set of JJ-EL84 after one blew. Unfortunately, I find them to be overly bright and harsh sounding. When these go in a few months, I’ll call you guys for recommendations.

Thick and solid with deep and powerful bass


I have Audioromy 838 with 845 tubes driven by 6n23p and 12au7. I modified the circuit with 12AX7 and EL84 with 6L6GC as cathode follower works together to swing more than 200Vpp and 22mA current to fire the 845 grid.

After modification, the sound much better and I was using all EH tubes. The top is a bit sharp and the low is not deep. The mid are okay.

I read many review about JJ and today I replace the EL84 and 6L6GC from EH to JJ.

WOW! That is only I can say after I turn on the amplifier and play my favorite music.

The sound is totally different. It is very thick and alive. Powerful and deep bass. Clear top but not edges and not sharp.

When I push them hard, they really sing!

I extremely happy with JJ.

fabulous compression & sustain


push these tubes and enjoy a juicy punch followed by sweet sustain & compression .. very addictive.

I won't comment the tone other than to say it works for me, and responds well to EQ changes.

I'm curious to see how long they last in my Traynor VGL-1 .. I think not so long but we'll see, and the price makes them pretty much disposable anyways. But overall a great touch sensitive tube.

Powerful little suckers


I use EL84's in my Orange OR15, Orange Tiny Terror, and my Orange Dual Terror (What do you mean I like Orange Amps?). Anyway, these suckers are reliable, powerful, and their harmonies make it nearly impossible to get a poor tone.



Im running them in a Crate VC 50 and these are the worst preforming tube I have ever heard they will NOT overdrive but offer a LOT of noise the harmonics suck there is NOTHING about a JJ tube for me to like I want my money back!