API 5500 Stereo/Dual Mono 550 EQs with Range Switch Mid Field Ribbon Mic The WA-47 is designed for

The WA-47 is designed for pro studio

Guitar and Bass amp mic (close and distant)

Frequency response: 78 - 20 000 Hz +/-3dB

the original REDD

Extra filtering on transformer bridge diode

API 5500 Stereo/Dual Mono 550 EQs with Range Switch Mid Field Ribbon Mic The WA-47 is designed forThe 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