Περιγραφή
500 Series Modular Midas Microphone Preamplifier with Classic XL4 Filters
In response to the many customer requests received over the years, the award-winning Midas Microphone Preamp is now available as an add-on to any mobile or recording system. When used in conjunction with the LEGEND L10 or L6 500 Series Rackmount Chassis, the MICROPHONE PREAMPLIFIER 502 provides the ideal solution for users seeking the legendary Midas sound in a modular format that boasts upgraded, premium-quality performance. Additionally, the 502 module utilises the same swept low and high pass filters found in the iconic XL4 Live Performance Mixing Console.
Product Features
- High performance, compact 500 Series premium Midas microphone/line preamplifier
- Award-winning Midas amp has been enhanced with quad discrete ultra low noise input transistors
- Legendary Midas input allows up to +24 dBu signal levels with no pad while featuring the much loved soft clipping characteristic
- Classic Midas XL4 swept low and high pass filters with independent selection switches
- Switchable twin aux balanced output gives you mic/line splitter capability when installed in Midas L6 or L10 racks
- Unique twin precision 11 segment LED circular input and output level metering
- High accuracy rotary switch gain control with 60 dB range in 5 dB steps
- Output gain trim with ±20 dB range controls input and output stage colouration
- Total gain range is an amazing -20 dB to +80 dB easily accommodating low output mics
- Large gain trim knobs provide precise control of input and output gains
- Illuminated switches for filters, +48V, polarity reverse and (TX) twin aux output enable
- Power up mute relays prevent switch on thumps
- Premium quality components throughout for a crystal-clear audiophile signal path
Specifications :
| Controls | |
| Phantom Power | 48 V switch |
| Input gain, mic/line | 12 position rotary switch, 0-60 dB knob |
| Polarity | 0/180 degrees switch |
| Low pass filter | In/out switch, frequency knob |
| High pass filter | In/out switch, frequency knob |
| Output trim / line gain trim | +/-20 dB knob |
| Twin aux output enable | TX switch |
| Input and Output | |
| Input | Mono, balanced mic or line |
| Main output | Mono, electronically balanced |
| Twin aux output | Mono, electronically balanced |
| System | |
| Noise | |
| Noise at unity gain | -97 dBu (22 Hz – 22 kHz) |
| Mic EIN noise at +60 dB gain, 150 Ohm source | -127 dBu (22 Hz – 22 kHz) |
| CMRR | |
| Unity gain, 1 kHz | -70 dB (typical) |
| +60 dB gain, 1 kHz | -100 dB (typical) |
| Input impedance, 1 kHz | 10 kΩ |
| Frequency response, unity gain | 20 Hz – 40 kHz +/- 0.5 dB |
| Distortion,unity gain, 1 kHz | |
| 0 dBu | <0.005% |
| +10 dBu | <0.005% |
| +20 dBu | <0.01% |
| Maximum input level, 1 kHz | +24 dBu |
| Maximum output level, 1kHz | +26 dBu |
| Output impedance, 1 kHz | 50 Ω |
| Filters | |
| Low pass | 1 kHz to 40 kHz, slope = 12 dB per octave |
| High pass | 10 Hz to 400 Hz, slope = 12 dB per octave |
| Meters | |
| Input meter | 11 segment, -20 dBu to +20 dBu in 4 dB steps |
| Output Meter | 11 segment, -20 dBu to +20 dBu in 4 dB steps |
| Power Requirements | |
| Voltage | +16 V and -16 V, +48 V (phantom power) |
| Power consumption | 100 mA, 3.2 W |
| Physical | |
| Dimensions (H x W x D) | 132 x 38 x 174 mm (5.2 x 1.5 x 6.9″) |
| Weight | 0.6 kg (1.3 lbs) |
