Shure B1 دليل المستخدم

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Model Beta 181 Wired Microphones
Specification Sheet
BETA 181 Side-Address Condenser Microphone
Performance Characteristics
• Exceptional low-frequency reproduction
• Extremely high SPL handling
• High output level
• No crossover distortion
• Transformer output
Applications and Placement
Positioning the Microphone
The front of the microphone is marked by the Shure logo on the
preamp and the polar pattern icon on the capsule. Position this side
BETA 181
toward the sound source.
General Rul

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Load Impedance Accessories and Parts Maximum SPL capability, output clipping level, and dynamic range vary Furnished Accessories with the input load impedance of the preamplifier to which you connect Mic Clip A57F the microphone. Shure recommends a minimum input load impedance of 1000 Ω. Most modern microphone preamplifiers meet this requirement. Zippered Carrying Case A181C Higher impedance results in better performance for these specifications. Windscreen A181WS Power Requirements

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Beta 181/C 180° 180° +20 150° 150° 150° 150° 120° 120° 120° 120° +10 90° 90° 90° 90° 0 –20 dB –20 dB –15 dB –15 dB –10 dB –10 dB –10 60° 60° 60° 60° –5 dB –5 dB 30° 30° 30° 30° +5 dB +5 dB -20 2 3 4 5 6789 2 3 4 5 6789 20 50 100 1000 10000 20000 250 Hz 2500 Hz 500 Hz 6400 Hz Hz 10000 Hz 1000 Hz Beta 181/S 180° 180° +20 150° 150° 150° 150° 120° 120° 120° 120° +10 90° 90° 90° 90° 0 –20 dB –20 dB –15 dB –15 dB –10 dB –10 dB 60° 60° 60° 60° –10 –5 dB –5 dB 30° 30° 30° 30° +5 dB +5 dB -20 2 3 4 5 678