Groove Tubes GT-EL34-S Premium Matched Pair Vacuum Tube Set EL34
The original power platform behind most high-powered British guitar stacks from the ’60s onward. Output is generally between 20 and 25 watts, with pronounced mid-range punch, tight low end and crisp top end that breaks up relatively smoothly and gets a little crunchy when pushed hard. It provides a great voice that stands out in a band mix as the mids tend to power their way through an overall mix. Big brother to the EL84.
Select EL34 Vacuum Tubes (matched pair)
Warm sound, accurate response
Well suited for Marshall amplifiers and similar
Groove Tubes power tubes are matched and rated in low, medium and high output levels.
Most amp manufacturers bias their amps for tubes in the “medium” range, and replacement of stock tubes frequently do not require re-biasing if “mediums” are purchased.
- For softer feel, quicker distortion and creamier tone, we suggest “lows”
- For more dynamic headroom and tighter, quicker and harder overall response, we suggest “highs”.
Lows and highs are more likely to require re-biasing by a qualified service technician to meet your
For amp service techs or those wishing to customize amplifiers to achieve specialized tone, “high” (8-10) and
“low” (1-3) tube sets are available. In most cases, these may bequire amp re-biasing by a qualified service
technician. Please contact customer service to purchase matched sets with ratings other than “medium.”
- “low” (1-3) - Early distortion, wide range, softer attack good for Rock and Blues solos
- “medium ” (4-7) - Normal performance, great dynamic range/attack and best all around rating type for all styles of playing
“high” (8-10) - Most dynamic range, most clean power/less break-up for power players, Jazz and bass amps.
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