HDI Specifications

Frequency response: Line Output: 1Hz ~ 100kHz +0.25/-3dB, 20Hz ~ 20kHz +/-0.1dB Mic Output: 10Hz ~ 80kHz +0.25dB/-3dB
Dynamic range: 112dB (20-20k, unweighted, referred to +25dBu)
Gain: Min Gain (Level CCW): -3dB Max Gain (Level CW): +31dB
Total harmonic distortion: 0.3% @20Hz, 0.22% @100Hz, 0.01% @1kHz (+4dBu In)
Signal to Noise: 91dB (20-20k, unweighted, referred to +4dBu)
Maximum Input: 1/4" TS: +5dBu, 3 VAC RMS, 8.4 V Peak to Peak 3.5mm: +25dBu, 7 VAC RMS, 20V Peak to Peak (Level @ 12:00)
Maximum Output: Line Level XLR: +25dBu (1% THD at 1kHz) Mic Level XLR: +3.7dBu (1% THD at 1kHz) 1/4" Processed Out: +8dBu (Approx. unity gain with Level @ 12:00)
Input pad, Ground lift, HPF
Input Connectors: 1/4” TS (front and rear), 3.5mm Synth
Output Connectors: XLR Line / Mic, 1/4” TS Processed, 1/4” TS Thru
Extras: Opto Compresser: 6:1 ratio, max 8dB gain reduction HPF: 40Hz / 100Hz rolloff @ -6dB/octave
Construction: 14 gauge steel chassis, 1/2” aluminum front panel
Size (L x W x D): 8.25” x 8.25” x 3.5”
Weight: 5.05lbs
Power: 100-200VAC 0.45A ~ 50/60Hz
Conditions: For use in dry locations only between 5°C and 40°C
Warranty: Radial 3-year, transferable

What do these graphs mean? Learn what to look for and why it matters.

Learn More