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The KBR-M can produce high sound pressure levels. Hearing protection is advised.
The KBR-M must be earthed and connected to a correct power source.
Design Range:
Rotary Channel
Hi-Fi Channel
XLR output
Tube: 12AX7EH – 7025 – 5751
Power Amplifiers:
Frequency Response:
Speakers:
One 12" Eminence Beta 250-watt speaker, 8 ohms
One 3.5X3.5 Ferro cooled dynamic horn, 80-watt, 8 ohms
One MS 1.2 proprietary diaphragm, 80-watt, 8 ohms (You must use a Motion
Sound MS-1.2)
Dimensions:
19.5" W 21.5" H 17" D
Finish:
Two-part Polymaric on MDF (proprietary polymer)
Power:
US
Europe
Japan
Fuse:
The fuse is located in the power inlet module on the rear panel. Use only the
recommended size of fuse as stated above.
KBR-M
-WARNING-
-SPECIFICATIONS-
input 1
all inputs
130-watt RMS main full range amplifiers
45-watt RMS >800 Hz horn amplifier
Full range speakers 50-15 kHz
Horn driver 600 hZ-8kHz
Weight 58 lbs.
117 VAC
230 VAC
100 VAC
375 mV RMS
175 mV RMS
70 mV RMS
50/60 Hz
200 watt
50/60 Hz
200 watt
50/60 Hz
200 watt
100K ohms
100K ohms
600 ohms
Fuse (Slo-Blo)
2.5amp
1 amp
2.5 amp
1
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Related Manuals for Motion Sound KBR-M
Summary of Contents for Motion Sound KBR-M
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Page 1: Specifications
KBR-M -WARNING- The KBR-M can produce high sound pressure levels. Hearing protection is advised. The KBR-M must be earthed and connected to a correct power source. -SPECIFICATIONS- Design Range: Rotary Channel input 1 375 mV RMS 100K ohms Hi-Fi Channel... -
Page 2: Quick Start
“ring” determines whether slow or stop is enabled. Fast overrides all! When the fast speed is on (yellow fast indicator on the KBR-M is lit), the stop button does not have effect. When the fast button is pressed again (yellow indicator off) then slow speed or stop is enabled depending on the position of the stop switch button. - Page 3 Crunch Gnarl 8-10 Settings depend on a signal source level of approximately 300 mV RMS fed into the KBR-M rotary input. Low Rotor Volume: The balance between sound from the rotating horn (>800 Hz) and that of the low rotor simulator (<800 Hz) as reproduced through the 100 -watt amplifier and 12”...
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Page 4: Rear Panel Connections
(rear panel) so that a “line level” vocal feed can be used. The use of a ground isolator box is recommended if ground loop hum is introduced in the KBR-M or the PA system. Do Not use speaker level inputs for a vocal feed signal. - Page 5 Speakers: The KBR-M utilizes a high efficiency 12” Eminence Beta 250-watt driver and 3.5X3.5 Ferro cooled horn. Reproduction of piano was of primary concern during speaker selection. The transient nature of piano is one of the best indicators of an amplifier’s performance.
- Page 6 Motion Sound products. The MS-1.2 is available from Motion Sound. -Internal User Adjustments- The dynamics and speeds of the KBR-M’s horn motor and low rotor simulator are calibrated at the factory to simulate a 147 type speaker that is well used but maintained. Three parameters of the horn and low rotor simulator may be adjusted to user preference as follows (note original position of potentiometers before turning).
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