AUDIOSCOPE 2813-E is a rack-mount frequency spectrum analyzer from 20Hz to 20 kHz with 31 thirds of an octave + W.B., two-pole bandpass filters, display with 32 columns of 12 LEDs each. Technical features include L/R line inputs at 600 Ohms, electronically balanced via XLR, balanced 600 Ohm output with pink noise generator, micro input on the front panel via 6.3 mm jack, monopole for controls: Line Gain, Micro gain, Inputs attenuator (-30, -20, -10, 0db), Inputs selector (Micro, Pink-noise, Line L, R, L+R, L-R.), Scale resolutions: 1,2,3 dB per LED + automatic scale, Dynamics on the LED screen: 12, 24, 36 dB. , Integration times 1/4s (Fast+), 1s (Fast), 4s (Slow),
Hold.