Designed for high-definition field production environments, the MP-1 is an ideal studio-quality mic pre for critical radio, television, and film applications.
The MP-1 is extremely durable and easy to use. With rugged mechanical and electrical construction and high-quality components, it will provide years of superb audio performance under the most punishing field conditions.
The MP-1 provides up to 66 dB of clean, nearly noiseless gain. Its transformer-balance microphone preamplifier offers a two-position highpass filter, extended range, selectable peak limiter, and 48 V phantom power, ensuring superior sonic quality and freedom from interference problems.
MP-1 Key Features
- Superb audio specifications
- 66 dB of gain, in eleven discrete steps
- Transformer-balanced input and output
- Phantom power - 48 volt or 12 volt
- High pass filter @ 80 Hz or 160 Hz, 6 dB/octave
- Limiter makes unit virtually "unclippable"
- High current line output drive
- Excellent immunity to RF interference.
- Battery power (two x AA)
- Durable mechanical construction
- Frequency Response
- 20 Hz to 22 kHz, +0.1, -0.5 dB; -1 dB at 50 kHz (relative to 1 kHz level with 150 ohm source)
- Gain
- 0 dB to 66 dB input to output (switch selectable)
- Gain Accuracy
- +0.6, -0.1 dB with reference to front panel gain markings (150 ohm source, 100k ohm load impedances)
- Equivalent Input Noise
- -126 dBu (-128 dBV) maximum (150 ohm source, flat weighting, 22 - 22 kHz bandwidth, gain setting 36 dB or greater)
- Input Clipping Level
- +4 dBu minimum at the 0 or +18 dB gain setting
- Output Clipping Level
- +22 dBu minimum with 100k ohm load
- +2- dBu minimum with 600 ohm load
- Dynamic Range
- 122 dB minimum at the +18 dB gain setting
- THD + Noise
- 0.05% maximum (from 50 Hz to 22 kHz @ +4 dBu output level, +46 dB gain setting)
- Common Mode Rejection Ratio
- 100 dB minimum at 80 Hz, 60 dB minimum at 10 kHz
- Input
- Transformer-balanced, 2k ohm input impedance
- Output
- Transformer-balanced, 130 ohm output impedance
- Low Cut
- 80 Hz or 160 Hz (switch selectable), 6 dB per octave
- Phantom Power
- 12 V or 48 V (switch selectable) per DIN 45 596 specification
- Limiter
- Limits to +17 dBu output level 10:1 limiting ratio; 5 mS attack time, 100 mS release time; Amber/Red LED indicates limiting/clipping
- Internal Voltage Rails
- ±15 V, regulated
- Power
- 2 AA batteries, 24 hours life typical with +4 dBu signal into 600 ohms, no phantom power
- Power LED
- Green indicates power and good battery. Red indicates power and low battery. LED turns red when approximately 4 hour of battery life remain.
- Polarity
- Mic input to line output is non-inverting.
- Operating Temperature Range
- 0 to 70 degrees C, 32 to 160 degrees F
- Dimensions
- 43 mm x 94 mm x 140 mm (h x w x d), (1.7" x 3.7" x 5.55")
- Weight (unit only)
- 0.56 kg, 1.24 lbs.
- Weight (packaged)
- 0.86 kg, 1.90 lbs.
- Certifications
- Meets FCC Part 15 Class B, eligible to bear CE mark
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