https://www.rivulet.cz/fotoalbum/news/ri400-mk2-inside-4x-api-500-slot-240ma.html
SERVICE FOR STUDIO EQUIPMENT - Fotoalbum - NEWS - RI400-MK2 INSIDE 4X API 500 SLOT 240mA
Rivulet Studio Equipment Service and Repair
https://www.scpaudio.co.nz/shop/amplifiers-2/mixer-amplifiers/240ma/
240MA Mixer Amplifier - Sound Choice Pro Audio New Zealand
Mar 27, 2023 - T Series 240MA mixer amplifiers have exceptional performance and are engineered and built for installed commercial sound system applications.
mixer amplifierpro audiosoundchoicenew