Filter
Top Products
22
MDR1248 and MDR1688 Specifications
Mono input channels
Microphone input electronically balanced, discrete input configuration
Frequency response 10Hz to 45kHz
Distortion (THD & N) 0.005% at 4dBu, 1kHz
Gain range 0dB to +40dB (MIC)
SNR (Signal to Noise Ratio) 105dB
Line input electronically balanced
Frequency response 10Hz to 45kHz
Distortion (THD & N) 0.005% at 4dBu, 1kHz
Sensitivity range -10dBu to +30dBu
Stereo input Channels
Line input Balanced
Frequency response 10Hz to 45kHz
Distortion (THD & N) 0.005% at +4dBu, 1kHz
Impedances
Microphone input 3k Ohm
Channel Insert return 2.5k Ohm
All other inputs 14.8k Ohm or greater
Tape out 1k Ohm
All other output 120 Ohm
Equalization
Mono Channels
Hi shelving +/- 15dB @ 12kHz
Swept Mid bell +/- 15dB @ 100 to 5kHz
Low shelving +/- 15dB @ 80Hz
Low Cut filter 75Hz, 18dB/oct.
Stereo Channels
Hi shelving +/- 15dB @12kHz
High Mid bell +/- 15dB @ 3kHz
Low Mid bell +/- 15dB @ 500Hz
Low shelving +/- 15dB @80Hz
Main Mix Section
Noise (Bus noise) Levels full down: -100dBr (ref.:+4dBu)
Level set to 0 dB: -90dBr (ref.:+4dBu)
Max output +28dBu balanced XLR,
+22dBu impedance balanced, 1/4" jacks
3/4 Output Section
Noise (Bus noise) Levels full down: -100dBr (ref.:+4dBu)
Level set to 0 dB - 90dBr (ref.:+4dBu)
Max output +22dBu impedance balanced, 1/4" jacks
Control Room Output Section
Noise (Bus noise) Levels full down: -100dBr (ref.:+4dBu)
Level set to 0 dB - 90dBr (ref.:+4dBu)
Max output +22dBu impedance balanced, 1/4" jacks
Aux Section
AUX Return gain range -∞ to +15dB
AUX Sends max out +22dBu
Power supply (AC/AC Adaptor)
Power Consumption 15W
MDR1248 32W
MDR1688 39W
Main voltage USA/Canada 108 - 132V, 60Hz
Europe 210 - 230V, 50Hz
U.K./Australia 240V, 50Hz
Physical
Net weight
MDR1248 9.79 lb. (4.45kg)
MDR1688 12.87 lb. (5.85kg)
Shipping weight
MDR1248 13.86 lb. (6.30kg)
MDR1688 18.92 lb. (8.60kg)
Dimension (W D H)
MDR1248 16” x 12.3” x 2.6” (405mm x 313mm x 65mm)
MDR1688 16” x 16.7” x 2.6” (405mm x 425mm x 65mm)
Specifications are subject to change without notice.