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TUBES
FEndER
®
tubES
USA Groove Tubes
®
AMERICAN MADE, worldwide played! Manufactured in the U.S.A.
with the highest quality materials, of which 70% are American
components, these are an exact reproduction of original U.S.-
built tubes. Because of that, you’ll get the same stunning results
you would expect from Fender
®
and Groove Tubes. Once again,
they come with the same red, white, and blue color coding for
simplified replacement without re-biasing and are matched for
improved harmonic balance; longer lifespan; equalized gain to
distortion ratios; and a wider frequency response!
099-4007-102 GT 6L6 GE Duet—Red
099-4007-202 GT 6L6 GE Duet—White
099-4007-302 GT 6L6 GE Duet—Blue
099-4008-104 GT 6L6 GE Quartet—Red
099-4008-204 GT 6L6 GE Quartet—White
099-4008-304 GT 6L6 GE Quartet—Blue
Groove Tubes Substitube
This completely revolutionary Groove Tubes design lets you
convert any amplifier powered by 6L6 tubes into a low wattage
EL84 powered scary-nasty-monster-hiding-under-your-bed-type-
beast by dropping your output power by a whopping 70% and
leaving you with the opportunity to really crank it up! Just plug an
EL84 into the Substitube and then replace the original 6L6 with
the Substitube/EL84 concoction! Presto! You’re ready to frighten
your neighbors! Of course, it also means you can play quietly at
2a.m. and still rock, but why would you want to do that?
099-4009-000 GT 6L6/EL84 Substitube
Classic, high-quality tubes at a great price! Fender tubes come
available as singles, matched and balanced pairs, and matched
and balanced quads to ensure you’re provided with optimal tonal
performance and lifespan!
099-4020-001 6V6
099-4020-002 6V6 (Pair)
099-4021-001 6L6/5881 Single Russian
099-4021-002 6L6/5881 (Pair) Russian
099-4021-004 6L6 (Quartet)
099-4022-001 6550 Single
099-4022-002 6550 (Pair)
099-4023-001 EL84/6BQ5 Single
099-4023-002 EL84/6BQ5 (Pair)
099-4024-000 12AX7/7025 Russian
099-4026-000 12AT7
099-4029-000 5U4
099-4030-000 5AR4
099-4031-000 5Y3
Groove Tubes
®
RED, WHITE & BLUE! You chose your groove! These are the very
tubes that come as standard equipment on every Fender amplifier
that leaves the factory! Groove Tubes matched sets are much
easier to replace due to the color coding system, which eliminates
the need to re-bias your amplifier at every tube change. Just match
your color and then pull out the old and plug in the new! As you
increase your amplifier’s volume, Red tubes stay cleaner longer,
and blue tubes begin to break up sooner. The white tubes are your
middle of the road! Groove Tubes feature an improved harmonic
balance; longer lifespan; matched gain to distortion ratio; and a
wider frequency response!
099-4001-102 GT 6L6 Duet—Red
099-4001-104 GT 6L6 Quartet—Red
099-4001-202 GT 6L6 Duet—White
099-4001-204 GT 6L6 Quartet—White
099-4001-302 GT 6L6 Duet—Blue
099-4001-304 GT 6L6 Quartet—Blue
099-4002-102 GT EL84 Duet—Red
099-4002-202 GT EL84 Duet—White
099-4002-302 GT EL84 Duet—Blue
099-4003-102 GT 6550 Duet—Red
099-4003-106 GT 6550 Sextet—Red
099-4003-202 GT 6550 Duet—White
099-4003-206 GT 6550 Sextet—White
099-4003-302 GT 6550 Duet—Blue
099-4003-306 GT 6550 Sextet—Blue
099-4004-102 GT 6V6 Duet—Red
099-4004-202 GT 6V6 Duet—White
099-4004-302 GT 6V6 Duet—Blue
099-4005-000 GT 12AX7a
099-4006-000 GT 12AT7