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Specifications
| Acoustical |
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±4 dB 70 - 18 kHz; -6 dB at 60 Hz & 20 kHz
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Continuous
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at 250 W/8 ohms/ch.: 125 dB; at 60 W/8 ohms/ch.: 120 dB
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Peak
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at 250 W/8 ohms/ch.: 135 dB; at 60 W/8 ohms/ch.: 126 dB
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Dynamic Range
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> 110 dB
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| Coverage |
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| Transducers |
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Low Frequency
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12" Cone driver, 8 ohms
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High Frequency
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1.4" Throat driver, 16 ohms
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High-Frequency Horn
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45 degree constant-directivity
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HF Network
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Y-1PD
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Function
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DC blocking and passive filters with alternate connection
terminal to adjust VHF response (16k peak or flat)
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M-1A Control Electronics Unit
| Specifications |
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Balanced (active), 47K ohms
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Active push-pull, will drive 600 ohms
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Balanced: +26 dBu / Unbalanced: +20 dBu
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<-90 dBV
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120 dB
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10k ohms true differential, opto-isolated
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Electric Crossover Frequency
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1600 Hz
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Low-Frequency Delay Type
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Active all-pass
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Driver Protection Circuitry
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RMS limiter
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120/240V AC, 50/60 Hz (internally switchable)
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Indicators
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Green LEDs
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Red LEDs
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Green LEDs
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Power Supply, Positive and Negative
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Green LEDs
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Controls
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Input level control, AC on/off switch
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VHF control, Lo Cut switch, Safe switch, VHF switch
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Connectors
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3-pin XLR (A-3), RTS 1ž4" phone jacks
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Unbalanced, 1ž4" phone jack (inserts Lo Cut, disables
Level control)
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Banana jacks
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| Notes |
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1. Measured 1 meter from center of cabinet face, half-space conditions,
pink noise input, network set to FLT, smoothed to one-third octave.
Low frequency response dependent on load conditions.
2. Loudspeaker driven with pink noise.
3. “A”- weighted, unbalanced.
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Specifications
Physical
Architect
Specifications
Datasheet (PDF)
Operating Instructions
(PDF)
M-1A Operating
Instructions
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