The Alto RSA27 27-Band Real-time Spectrum Analyzer is a 19-inch single rack space mounted unit designed to monitor microphone signal and determine the specific frequencies that are causing feedback. The RSA-27 features an XLR microphone input with switchable +48V phantom power, 1/4" TRS phone and balanced XLR outputs. There is also a built-in pink noise generator with a dedicated 1/4" phone output connector.
27 band on 1/3 - octave ISO centers display spectrum, 40Hz - 16kHz
Switch to choose +/- 3db or +/- 6dB range for each LED
Pink noise generator and microphone input
Balanced XLR AUX / MIC input
1/4" TRS unbalanced line input
Pink Noise 1/4" TRS unbalanced input