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1. CM50
The Wunder Audio CM50 Tube Microphone comes with the original
spherical capsule. "Simply one of the most wonderful sounding
room mics in the world." The CM50 represents the pinnacle in a
revered line of microphones that stretches back to the very earliest
days of the Pro Audio. The inspiration is classic, the execution is
cutting-edge. We have successfully recreated the small pressure
transducer (similar to the capsule for the KM series microphones)
embedded in the surface of a 40 mm diameter perspex sphere.
It should be stressed that vacuum tubes, with their heater filaments,
are much more delicate than solid-state components. Consequently,
the user should take great care in handling the microphone. A drop
from even a moderate height may cause the filament to break and
may result in immediate failure of the microphone. It would be
advisable for the user to keep a spare tube – specially selected by
the Wunder Audio Service Department – always ready for
replacement.
It is important to note that the tube may have become slightly
unplugged from the tube socket during shipping. If the microphone
has no audio output, 99% of the time it is a result of a slightly
unplugged tube.
Repairs are to be carried out only by experienced, authorized
service personnel. Unauthorized opening of, or modification to
the equipment shall void the warranty.
The microphone tube requires a high operational voltage.
Contact with the voltages present in the interior of the
microphone and PSU may result in injury or death; therefore,
the microphone and PSU must be opened only by an
authorized, qualified technician.
The microphone must be operated only with the supplied
cable. Because hazardous voltages are generated by the PSU
that may result in injury or death, always ensure that the
microphone cable is undamaged. Damaged cables must no
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Summary of Contents for Wunder Audio CM50
- Page 1 The Wunder Audio CM50 Tube Microphone comes with the original spherical capsule. "Simply one of the most wonderful sounding room mics in the world." The CM50 represents the pinnacle in a revered line of microphones that stretches back to the very earliest days of the Pro Audio.
- Page 2 Damaged cables must no longer be used. Operation The CM50 is equipped with a 8-pin Tuchel connector that plugs into the base of the microphone and screws tight. Always make sure that the PSU is switched off when plugging the microphone connector into the microphone and PSU.
- Page 3 The warm-up time of the CM50 is approximately one minute. When your CM50 is new, a 24-hour burn-in period is recommended. The CM50’s tube will “break in” over a period of time enabling the mic to sound subtly better over a period of time.
- Page 4 To set the switch to 115V, toggle the switch towards the transformer. To set the switch to 230V, toggle the switch away from the transformer. Warning: Connecting the CM50 to the wrong AC voltage may destroy the unit and cause fire and/or electric shock. Replacing Fuses The fuse protecting the primary circuit is located outside the PSU.
- Page 5 When the microphone is not in use, it should not be allowed to remain on the stand gathering dust. A microphone which is unused for a prolonged period should be stored in a cool, dry place and protected from dust. Cleaning Under normal conditions, the microphone body may become dirty and covered with fingerprints.
- Page 6 Non Linear Distortion: less than or equal to 0.5% at 100 dyne / cm Connector: Large-sized swivel, 8 pin Dimensions: 163 mm (6.42'') 80 mm (3.15'') Shipping Weight: Approx. (~12 Ibs.) Included Accessories: CM50, Plush Oak Box, Historical Yoke Mount, Historical Power supply, Original large Tuchel-connected mic cable.
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