Siemens RQ-300 Urei 537 SAE MK 27 Mark Marantz EQ-315 Dynacord EQ 310 Panther SAM-3 Kenwood GE-87 Pioneer GR-333 Pioneer SG-90 Kenwood GE-540 Marantz EQ-20 Dynacord EQ 310 Technics SH-GE SAE 2800 ADC Sound Technics Sony SEQ-310 Restek MTC-5 Mc Intosh Dynimex EQ-1200 Yamaha EQ-1100 Technics Onkyo EQ-240 Kenwood KE-7090 McIntosh MQ-101 Pioneer GR-777 Onkyo EQ-31 Korg KEC-42 Soundwave Q-900 Technics Hitachi X4-Tech EQ-1000 Accuphase DG-28 JVC SEA-50 McVoice Grundig EQT 210 McIntosh MQ-102 Technics SH-GE Dynacord 2215 Fostex 3030 Technics SH-GE Marantz EQ-515 Urei 537 Tascam PE-40 Vivanco 4050 McIntosh MQ-101