Shuguang EL34-B

12 Reviews
USD $‎15.95
The Chinese (Sino) made Shuguang EL34-B tube is sold by Ruby Tubes as their EL34B-STR and was much loved by our reviewer. From our review of this EL34 tube: "The sound is loud and clear with a very nice sonic range. Not excessive in tops, mids, or bass, they are accurately described as well balanced. The sample tested had no audible microphonics and an average background noise level. Harmonic content was rich, lending that pleasant swirl and sustain that guitar players crave."

Note: Occasionally Shuguang sends tubes that are not printed with logos and part numbers. However, all are the same construction.

Other Shuguang tubes      EL34 Tube Types

Additional Information and Downloads

EL34 Tube Review

Tube Matching Information:
Power Tube Matching FAQ
Perfect Pair System

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.

Marshall Power Amp...


If you have a Marshall Monoblock 9005, these are the tubes to have. I have used JJ, Mullards,EH and Sovtek. Sonically with the 12AX7B these tubes are night and day over others. EH 6CA7 comes a close second. These bring these Power Amps to life. Solid bottom end, clear midrange and a nice top end. For metal its almost like having a tight boost with a bit of compression pushing your pre amp. I love these tubes ,No issues with reliability after a year of hard use...There is a considerable sonic difference...

Great tube Great pice


I bought two matched quads for my Landry LS100G3, these are the tubes the builder Bill Landry uses for his amps. 2 1/2 years on the first quad with no issues, and they sound great. I am not a touring musician and probably only average 2-3 hours per week on on my amp, but I do play out occasionally and haul my amp to practices and play outdoor, back yard parties etc and these tubes have been reliable.