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RT-921
REAL TUBE STEREO REVERB
USER MANUAL
FEATURES
•2 full sized Accutronics® reverb spring pans. (6-springs each).
•Operational modes: Discreet Stereo
Stereo in, Summed Mono out
Mono in, True Stereo out
Mono in, Summed Mono out
•Compatible levels: Line level in, Line level out
Line level in, Instrument level out
Instrument level in, Instrument level out
Instrument level in, Line level out
•MosValve (Patented) high-powered reverb drivers. Impedance and symmetry balanced to
perfectly match the characteristics of tube/transformer drivers in old black-face "Fender™"
reverbs with greatly enhanced versatility and no instabilities.
•Extremely low-noise reverb recovery system including advanced circuitry and 4-stages of
12AX7A tube enhancement with level matching to insure proper channel balance.
•BK Butler's special actively summed, passive characteristic 3-band EQ system with active
output level control.
•Stepping clip indicators which indicate -3dB from noticeable tube clipping.
•Completely by-passable, including footswitch jack.
•External high-current power supply to reduce internal hum and noise to unprecedented low
levels.
•Built with two goals in mind: GREAT TONE!
LASTING RELIABILITY!
SPECIFICATIONS
VOLTAGE REQUIREMENT: 30 VAC, 600 MA
TUBE TYPE: (4) 12AX7A/ECC/83 (Selected)
INPUT IMPEDANCE: 1 MEG. OHMS
INPUT LEVEL: LINE AND INSTRUMENT
S/N RATIO: 75 dB (Typical)
HUM & NOISE: -85 dB (Typical)
OUTPUT IMPEDANCE: 470 OHMS (Typical)
OUTPUT LEVEL: LINE AND INSTRUMENT (All Continuously Active)
SIZE: STANDARD 19"; 1 -SPACE RACKMOUNT; 10.5" DEEP
(From Mounting Surface)
WEIGHT: 11.5 LBS (including Power Supply)
GENERAL NOTES
Although the REAL TUBE REVERB is ruggedly housed in heavy-gauge steel, care should be
given to the unit as tubes are made from glass. Avoid physical abuse. Your REAL TUBE RE-
VERB has been designed for prolonged periods of continuous use without overheating or dam-
age. NOTE: This unit does produce certain amounts of normal heat. BE SURE TO ALLOW
PROPER VENTILATION ABOVE AND BELOW UNIT.
WARRANTY
Your TUBE WORKS product is warranted for a period of ONE year against defects in work-
manship or materials in the electronic components. The speaker(s), reverb tank and cabinet (if
applicable) are warranted for a period of ninety (90) days. This warranty applies only to the
original registered owner provided he/she has returned a completely filled-out OWNER’S REG-
ISTRATION CARD within fifteen (15) days of purchase. This warranty covers parts and labor
only; shipping charges remain the sole responsibility of the owner. Damage due to misuse,
modification or abuse is excluded from this warranty. If service is required, you must contact
Genz Benz Enclosures/Tube Works for a RETURN MERCHANDISE AUTHORIZATION NUM-
BER (RMA) by calling 480-941-0705. Whenever possible please use original packaging ma-
terial for all returns, this will insure that the units are not further damaged in transit.
WARNING!!!
The use and operation of this device constitutes an agreement of full release of any and all li-
ability connected with such use. Only personnel familiar with high-power audio equipment
should attempt to operate this device. In addition, by the use of this device, user agrees to
hold Genz Benz Enclosures/Tube Works, its designers, sales agents and all other affiliates and
related parties harmless in the event of any accident, injury, damage or loss resulting from
such use. Manufacturer's sole responsibility is to provide a warranty on the specified perform-
ance of the product under normal conditions for a one-year period.
a division of Genz Benz Enclosures, Inc.
7811 E. Pierce St. ¿ Scottsdale, AZ 85257
Ph; 480-941-0705 Fax: 480-946-2412
www.genzbenz.com
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