Grace Design m102 Single Channel Optical Compressor
The Grace Design m102 Single Channel Optical Compressor is a half-rack unit well suited for professional recording, project studios and live sound reinforcement alike. The m102's optical attenuator circuit delivers very natural and musical control over dynamics, allowing for subtle or heavy compression without affecting the integrity of the source signal.
The m102 features straightforward controls that include threshold, attack, release, ratio, input and output level dials, a comprehensive level meter with peak indicator, sidechain and bypass switch. There are balanced XLR and 1/4" TRS phone inputs and outputs on the rear panel, along with a stereo sidechain input. The m102's compact, laser-etched construction features a quiet internal power supply and rugged chassis.
- Elegantly simple, purist feedback design optical compressor, optimized for signal leveling with a minimum of sonic artifacts
- From subtle dynamic control to heavy compression, the sonic character of the source remains intact
- Comprehensive control set includes input level, threshold, attack, release, ratio and makeup gain
- Bright, easy to read 10 segment LED gain reduction meters
- Bi-color output peak LED lights green with signal present and red 8dB before clipping
- Dual balanced inputs and outputs on XLR and 1/4" TRS
- Precision audio path with 0.5% precision metal film resistors
- Laser-etched black anodized front panel
- Built in universal power supply
- Five year transferable warranty on parts and labor
- Made in the USA
| Gain Range |
Input Trim: -10 - +10dB
Output Trim: -10 - +10dB |
| Compression |
Threshold: -15 - +15dBu
Attack: 3 - 200 ms Release: 0.03 - 3s Ratio: 1:1 - 12:1 Gain: 0 - 20dB |
| THD |
1kHz, 22Hz-22kHz BW:
@ 0dB Gain +10dBu out: < 0.002% |
| Intermodulation Distortion |
@ 0dB Gain +20dBu out:
SMPTE/DIN 4:1 7kHz/50Hz: < 0.007% |
| Output Noise |
22Hz-22kHz BW:
|
| CMRR |
@0dB Gain, 3.5Vcm:
100Hz: > 75dB 1kHz: > 75dB 10kHz: > 75dB |
| Frequency Response | @0dB Gain -3dB: 0.016Hz-150kHz |
| Impedance |
Line in: 24kΩ
Main out balanced: 350Ω Main out unbalanced: 150Ω Link on - side chain mode: 100kΩ |
| Meters |
Output peak indicator: Green: -15dBu / Red: +20dBu
Gain reduction meter: 0 -10dB Gain Reduction |
| Maximum Output Level | 100k Ohm load, 0.1% THD: +26dBu |
| Power Supply |
Power consumption: 100-240VAC
5W Electrical rating: 100-240V~ 50-60Hz 14W Mains supply voltage fluctuations are not to exceed ±10% of the nominal supply voltage. |
| Temperature |
Operation temperature range: 10 to 40 °C (50 to 104° F)
Storage and transportation temperature range: -40 to 70 °C (-40 to 158° F) |
| Altitude | Maximum altitude: 9843' (3000m) |
| Enclosure | Bombproof laser-etched black anodized frontpanel |
| Dimensions (HxWxD) | 1.7 x 8.5 x 9.0" (4.3 x 21.6 x 22.8cm) |
| Weight | 2.4 lb (1.1 kg) |
Cables
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- Original: $14.99
- Save: $1.50
- Price: $13.49
Additional Hardware
- Price: $685.00
What's in the Box
- AC Power Cable
- 4 x Adhesive Rubber Feet
- Machine Screw #10-32 x 3/8
- Owner's Manual
- 5 Year Manufacturer Warranty
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