TOA 1000 Series Graphic Equalizer E-1231 1/3 OCTAVE 28 BAND
E-1231 1/3 octave Graphic Equalizer * Precision calibrated linear scale for sliders. * High and low pass filters. * 12 dB input gain control. * In/out peak level indicator. * Hardwire bypass if power fails. * Security cover and rack-mount ears included.
1. 28 filters on IS0 1/3 octave center frequencies from
31.5Hz to 16kHz.
2. Continuously variable 12dB boost or cut at each
3. High quality, minimum phase shift active filters.
4. Noiseless center-detent slide controls with precisioncalibrated
5. Continuously variable highpass and lowpass filters
with wide control ranges and a Filter In/Out switch.
6. Lowpass filter can be set for either 6dB/oct or
7. EQ In/Out switch for manually bypassing equalizer.
8. Automatic EQ bypass circuitry in case of AC power
9. LED peak indicator monitors input and output levels,
for proper gain structuring.
10. Variable input level control allows a variety of input
levels and sources.
11. Optional input and output isolation transformers.