| Mic Preamp |
| Equivalent Input Noise (20Hz-20kHz) |
| 150 ohm |
-129.5 dBu |
| 50 ohm |
-131.0 dBu |
| 0 ohm |
-134.5 dBu |
| Frequency Response |
| -1dB |
5Hz to 100kHz: |
| -3dB |
3Hz to 192kHz: |
| IM Distortion (4 to 1 ratio SMPTE) |
| 35dB gain |
0.0008% |
| Harmonic Distortion (20Hz-20kHz) |
| 35dB gain |
0.0007% |
| Gain |
| Max |
+60dB |
| Min |
0dB or Unity |
| Max Input |
+22dB |
| Input Impedance |
1.3k Ohm |
| Common Mode Rejection |
> 90dB |
| Common Mode Rejection Ratio |
> 140dB |
| Main Mix Noise |
| 20Hz-20kHz bandwidth, 1/4" Main out, channels
1-4 Trim @ unity gain, channel EQs flat, all channels assigned to
Main Mix, channels 1 and 3 Pan left, 2 and 4 Pan right, Reference
+4dBu |
| Main Mix knob fully counterclockwise, channel Gain knobs down: |
-104dBu |
| Main Mix knob unity, channel Gain knobs down: |
-90.5dBu |
| (90dB Signal to Noise Ratio, ref +4dBu)Main Mix knob @ unity, channel
Gain knobs @ unity: |
-88.5dBu |
| Total Harmonic Distortion (THD) |
| 1kHz @ +14dBu, 20Hz-20kHz. |
| Mic in to Main out: |
0.005% |
| Attenuation (Crosstalk) |
| 1kHz relative to 0dBu, 20Hz-20kHz bandwidth, Line in,
1/4" Main Out, Trim @ unity |
| Main Mix knob down: |
-85dBu |
| Channel Mute/Alt 3/4 switch engaged: |
-84dBu |
| Channel Gain knob down: |
-83dBu |
|
 |
| Frequency Response |
| Any input to any output |
| +0dB/-1dB |
20kHz to 60kHz |
| +0dB/-3dB |
20kHz to 100kHz |
| Maximum Levels |
| Mic in: |
+22dBu |
| Tape in: |
+16dBu |
| All other inputs: |
+22dBu |
| Main Mix XLR out: |
+28dBu |
| All other outputs: |
+22dBu |
| Impedances |
| Mic in: |
1.3 kilohms |
| Channel Insert return: |
2.5 kilohms |
| All other inputs: |
10 kilohms or greater |
| Tape out: |
1.1 kilohms |
| All other outputs: |
120 ohms |
| EQ |
| High Shelving |
±15db @12kHz |
| Mid Peaking |
±12dB @ 2.5kHz |
| Low Shelving |
±15db @ 80Hz |
| Power Consumption: |
| 120VAC, 50/60Hz, 25 watts |
| Weight: |
| 6 lbs 8 oz. (3 kg) |
Since we're always striving to make our stuff better by incorporating new
and improved materials, components and manufacturing methods, we reserve
the right to change these specifications at any time without notice. |
