Grace Design m103
Mic preamp + 3-band EQ + optical compressor channel strip
Channel Strip$2,358Manufacturer list price
Specifications
- Type
- Channel Strip
- Description
- Mic preamp + 3-band EQ + optical compressor channel strip
- Topology
- transimpedance microphone preamplifier with integrated 3-band EQ and optical compressor
- Signal path
- Analog
- Channels
- 1
- Channel format
- mono
- Form factor
- rack
- Rack units
- 1U
- Power (W)
- 14
- Frequency response
- 3.7Hz-140kHz (-3dB)
- Impedance (Ω)
- 8.1k ohm (mic), 20k ohm (ribbon mode), 2.5M ohm (Hi-Z unbal.), 5M ohm (Hi-Z bal.)
- Country of manufacture
- USA
- Phantom power
- 48V
Details
Controls: 12-position gold-plated rotary gain switch, 3-band EQ (low/mid/high, mid fully parametric), optical compressor (threshold/attack/release/ratio), switchable EQ/compressor order, 75Hz HPF, 10-segment gain reduction & output level meters
I/O: XLR mic input, Hi-Z input; balanced/unbalanced outputs; FX loop implied by EQ/comp routing
Notes: Price $2358 per Sweetwater listing (July 2026); MSRP not published by Grace. Mic gain 10-65dB (5dB steps), Hi-Z -10-45dB. EQ: Low 20Hz-750Hz peak/shelf 0-12dB, Mid 500Hz-4kHz Q0.5-5 0-12dB, High 3kHz-20kHz peak/shelf 0-12dB. Compressor: threshold -15 to +15dBu, attack 3-200ms, release 0.03-3s, ratio 1:1-12:1, max GR 10dB. Weight 4.5lbs, dims 1.7x19x9.0in. THD+N <0.0010% @ 40dB gain. Noise <-128dB @ 60dB gain (150ohm).