Luxman G-11 Technics SH-GE Onkyo EQ-240 Siemens RQ-300 Technics Marantz EQ-315 Renkforce Technics Grundig EQT 210 Urei 537 Pioneer SG-90 Crown Amcron Denon DE-70 McVoice Wega Modul 42 E McIntosh MQ-102 Technics Equalizer Urei 537 LA Audio EQ 231 Dynacord 2215 Dynacord EQ 310 Fisher EQ-877 Rotel RE-1010 Pioneer GR-X Fostex 3030 Sony SEQ-310 McIntosh MQ-101 Denon DE-70 Accuphase DG-28 Vivanco 4050 X4-Tech EQ-1000 Dynacord EQ 310 SAE 2800 JVC SEA-50 Tascam PE-40 McIntosh MQ-101 ADC Sound Kenwood GE-87 Marantz EQ-515 Kenwood GE-540 Restek MTC-5 Korg KEC-42 Soundcraftsmen Kenwood KE-7090 Soundwave Q-900