Párovaná šestice koncových elektronek KT88-SV Low renomovaného výrobce podle stejné specifikace jako original Gold Lion KT88 v šedesátých letech. Special heat dissipation wings on plate. Originally introduced by General Electric in 1956, the KT88 is commonly used in hi-fi amps, Mesa-Boogie, Orange, Hiwatt, and many boutique amplifiers
EXCLUSIVE GT design. This is the highest-output power tube in the 6550/KT88 family, with special heat
dissipation wings on the plate that let it reach the same power specs as the original Gold Lion KT88 of
the ’60s. The best, most durable and most powerful tone in the family, with outstanding dynamic response
and big bottom end. The definitive tube for bass amps, country, jazz, metal and any situation in which
most of the tone shaping occurs in the preamp, pedals or effects. Amazing high-horsepower delivery of clean tone.
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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