Golden Age Project EQ-81 MKIII- analog Equalizer- 4-band EQ based on the EQ Section of the classical 1081- selection of frequencies from 33 Hz to 15 kHz- stepped frequency selection- control range up to +/- 18 dB- "Off" Mode for each band- Tantalum capacitors in the signal path- connections: 1/4" TR I/O- incl. external PSU (24 V AC)- dimensions: 9,5" / 1 U- rugged metal enclosure