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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.

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Specification
* 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)
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