SQN 3 Type M Hartke Kilo Klein Hummel K Electro-Voice Behringer CX Rane AD22S Siemens Stecker KS Digital Crown I-Tech Studer A727 Martin Audio Klein Hummel K Fostex D80 Fostex D-80 Klein Hummel K Dynacord EQ 310 JBL 4508 Single Spendor 45 BS Spendor 45 BS Bose 1800 JBL 4430 AudioSource EQ Stellavox TD9 Studer A 725 RTW PPM 1206 Bittner Basic Studer A 764 Dynacord Dynacord ES 820 Heco Activ 2000 BSS FDS-334T Klein Hummel MM Klein Hummel MM Bittner Basic Teac C-3 X Denon DN-X800 Zeck FMS 24.4.2 Musikelectronic JBL MPA 600 Klein Hummel OX JBL MPA 750 Kort SR Dynamik Urei 1620 LE Sennheiser EM Neumann V457 JBL 4508