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R-56 tube reverb 

user's manual

Copyright 2013 Metasonix. All rights reserved.

Please read all of this before using it!

RETAIN INSTRUCTIONS: The safety and operating instructions should be retained for future reference.
HEED WARNINGS: All warnings on the R-56 and in the operating instructions should be adhered to.
FOLLOW INSTRUCTIONS: All operating instructions should be followed.

WATER  AND   MOISTURE:   The   R-56   should   not   be   used   near   water   (e.g.   near  a   bathtub,   washbowl,
kitchen sink, laundry tub, in a wet basement, near a swimming pool etc.). Care should be taken so that
liquids are not spilled onto or near the enclosure.

VENTILATION AND COOLING: The R-56 normally operates warm to the touch. It MUST be situated so
that its location or position does not interfere with convective cooling. The R-56 MUST NOT be used on a
bed, sofa rug or similar surface which may prevent proper cooling. It is NOT a toy. If the R-56 is mounted
in a  synthesizer rack or other built-in installation, space  

must

  be  left around it  to allow  convection

cooling.

HEAT: The R-56 MUST be situated away from heat sources such as radiators, heat registers, stoves, or
other devices (including power amps) that produce heat.

POWER SOURCE: The R-56 should be connected to a power supply ONLY of the type described in the
operating manual or as marked on the R-56. WARNING: Each R-56 re12v at 300 mA and -12v at
300 mA. The cabinet power supply 

must

 be able to deliver this current. WARNING: The tubes get hot in

normal operation and should not be touched after 10 minutes with power applied.

CLEANING: The R-56 should only be cleaned with a soft cloth moistened with water. Unplug the power
supply before attempting to clean.
NON-USE PERIODS: The R-56 should be shut off when left unused for a long period of time.

MECHANICAL: unlike all other synthesizer modules on the market, the R-56 has its reverb spring “tank”
mounted directly on the front panel. The tank is fragile and must be treated with extra care, especially if
the user decides to remove the protective cover and modify or scrape on the springs.

DAMAGE OR TUBE REPLACEMENT REQUIRING SERVICE:
The R-56 should be serviced by qualified service personnel when:
--The power supply has been damaged;
--The R-56 has been dropped, physically damaged, or subjected to force;
--Liquid has been spilled onto the R-56 or it has been exposed to rain;
--The R-56 does not appear to operate normally or exhibits a marked change in performance.
SERVICING: The user should not attempt to service the R-56. All servicing should be referred to qualified
service personnel.

METASONIX LIMITED WARRANTY and standard legal disclaimer

Thank you for purchasing this Metasonix product. The following terms and 
conditions apply:

1. Warranty period is for ONE YEAR from date of purchase with proof of purchase submitted. Warranty covers electrical failure of 
vacuum tubes and gas-filled tubes, except in cases explained in 3 below.

2. Operating instructions must be followed. This device was intended ONLY for use by AUDIO AND MUSIC PROFESSIONALS.  

IT IS NOT INTENDED FOR USE BY

 

  ORDINARY CONSUMERS!!

 

 

Product must not have been damaged as a result of defacement, misuse, abuse, neglect, accident, destruction or alteration of the

Summary of Contents for R-56

Page 1: ...uld not be touched after 10 minutes with power applied CLEANING The R 56 should only be cleaned with a soft cloth moistened with water Unplug the power supply before attempting to clean NON USE PERIODS The R 56 should be shut off when left unused for a long period of time MECHANICAL unlike all other synthesizer modules on the market the R 56 has its reverb spring tank mounted directly on the front...

Page 2: ...ific legal rights and you may also have other rights which vary from state to state METASONIX shall not be held liable for any incidental consequential or direct damages or expenses associated with the use or misuse of its products The audio output of this product is capable of damaging some types of solid state audio equipment such use is entirely at the risk of the user METASONIX does not guaran...

Page 3: ... o clock position allows increasing the feedback without oscillation when the CV is at zero volts the Feedback knob might need adjustment if the R 56 oscillates with zero CV input INTERNAL TANK The internal reverb spring tank is a special miniature device made by Accutronics apparently for use in guitar pedals It is more rugged than most tanks and does not need to be spring mounted or put in an is...

Page 4: ...igned to offer pretty cosmetics If you can t see a heater glowing DO NOT assume that tube is bad We get many foolish complaints of this type TUBE REPLACEMENT despite their expected long lifetime the tubes might be damaged or develop faulty internal wiring connections requiring replacement This particular R 56 was shipped and wired for two 12CT8 triode pentodes The R 56 can also accept type 7060 or...

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