E-1231 1-Channel 1/3 Octave Graphic Equalizer
E-1231
The E-1231 is a single channel, 1/3 octave active graphic equalizer designed to allow clean, accurate audio equalization for stage, studio, or commercial applications.
- * 0 dB = 0.775 V
| AC Line Voltage | AC mains, 50/60 Hz |
|---|---|
| Power Consumption | 11 W 120 V version 11 W 220 - 240 V version |
| Input Impedance | 10 kΩ |
| Output Impedance | 600 Ω |
| Frequency Response | 20 Hz - 20 kHz, %%p1 dB |
| Max. Input Level | +20 dB* at 1 kHz |
| Max. Output Level | +20 dB* with 600 Ω load |
| Total Harmonic Distortion | 0.01% or less at 1 kHz (all sliders at 0 position, rated output) |
| Equalization Center Frequency | 31.5 Hz, 40 Hz, 50 Hz, 63 Hz, 80 Hz, 100 Hz, 125 Hz, 160 Hz, 200 Hz, 250 Hz, 315 Hz, 400 Hz, 500 Hz, 630 Hz, 800 Hz, 1 kHz, 1.25 kHz, 1.6 kHz, 2 kHz, 2.5 kHz, 4 kHz, 5 kHz, 6.3 kHz, 8 kHz, 10 kHz, 12.5 kHz, 16 kHz |
| Controls Equalizer Sliders | %%p12 dB |
| Input Level Control | %%p12 dB |
| Highpass Filter | 12 dB per octave (Adjustable cutoff frequency: 15 Hz - 300 Hz) |
| Lowpass Filter | 12 dB per octave/6 dB per octave (Adjustable cutoff frequency: 2.5 kHz - 30 kHz) |
| Hum And Noise | -94 dB* (EQ in, all sliders at 0 position, 20 Hz - 20 kHz B.P.F.) |
| Finish | Pannel: Aluminum, black Case: Steel, dark gray |
| Dimensions | 482.6 (W) × 88.4 (H) × 317.2 (D) mm (19" × 3.48" × 12.48") |
| Weight | 4.5 kg (9.92 lb) |