API 5500 Stereo/Dual Mono 550 EQs with Range Switch Mid Field Ribbon Mic Extra filtering on transformer bridge

Extra filtering on transformer bridge diode

Guitar and Bass amp mic (close and distant)

Output: The output stage includes a limiter with a preset threshold (+16dB) and a variable master fader with output bargraph metering which sets the overall output level from OFF to +15dB

BYPASS switch & AUTO-MUTE w/warmup delay

It has a very open and smooth sound

API 5500 Stereo/Dual Mono 550 EQs with Range Switch Mid Field Ribbon Mic Extra filtering on transformer bridgeThe beginnings of the 5500 circuit can be traced back to the original 550 equaliser designed by Saul Walker, the founder of Automated Processes Inc. The 550 was designed as a console equaliser, which uses an unbalanced input due to the architecture of the recording console. Because the ergonomics of a console dictate that the controls take up little space, sometimes the number of included functions can be limited. The 5500 is specifically designed to