Tube Works RT-921 User Manual

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!

Tube Works RT-921 Specifications

General

Brand	Tube Works
Model	RT-921
Category	Music Pedal
Language	English

Summary

Product Features

Operational Modes

Details the available operational modes including Discreet Stereo, Stereo in Summed Mono out, Mono in True Stereo out, and Mono in Summed Mono out.

Compatible Input/Output Levels

Specifies compatible input and output levels, covering combinations of Line and Instrument levels for both input and output.

MosValve Technology

Describes the patented MosValve drivers designed for optimal tube/transformer matching in classic reverbs, offering enhanced versatility.

Low-Noise Reverb Recovery

Highlights the low-noise system featuring advanced circuitry and 4-stages of 12AX7A tube enhancement for channel balance.

BK Butler EQ System

Features BK Butler's actively summed passive 3-band EQ with an active output level control for tonal shaping.

Clipping Indicators

Includes stepping clip indicators that signal -3dB from noticeable tube clipping for monitoring.

Bypassability

Notes that the unit is completely by-passable, including its footswitch jack.

Power Supply Design

Utilizes an external high-current power supply to minimize internal hum and noise to very low levels.

Specifications

Electrical and Physical Specifications

Lists technical details including voltage requirement, tube type, input/output impedance and levels, S/N ratio, hum, size, and weight.

General Notes

Handling and Ventilation

Advises on careful handling due to glass tubes and emphasizes the need for proper ventilation to prevent overheating.

Warranty and Safety

Product Warranty Details

Outlines the one-year warranty for workmanship and materials, 90-day for specific components, and registration requirements.

User Liability and Warnings

States user agreement to release liability and warns that only qualified personnel should operate the high-power audio equipment.