Grundig EQT 210 Fostex 3030 JVC SEA-33 Equalizer Monarch McIntosh MQ-101 Pioneer GR-777 Kenwood GE-87 SAE 2800 Trinnov Accuphase DG-28 Restek MTC-5 ADC Sound Thel EQ1-HQ 4 Kenwood GE-7030 Kenwood KE-7090 Technics Wega Modul 42 E Mc Intosh McIntosh MQ-102 Tascam PE-40 Technics Sony SEQ-411 Marantz EQ-315 Pioneer SG-9500 Denon DE-70 Wega Modul 42 E Onkyo EQ-240 Urei 537 Soundcraft Dynacord EQ 310 Yamaha EQ-1100 Pioneer GR-777 Dynimex EQ-1200 Marantz EQ-20 Technics SH-GE J-Audio B.A.M Drawmer DF320 Soundwave Q-900 Hitachi X4-Tech EQ-1000 Rotel RE-1010 Yamaha EQ-500 Technics McVoice Siemens RQ-300