Nakamichi Nakamichi Toshiba Aurex Nakamichi DBX 224X-DS Telefunken SAE 5000 Telefunken ANT e 124 DBX 222 Type II Tascam DX-4 D Phase Linear Rotel RN-1000 Teac RX-9 DBX Tascam DX-4 D Nakamichi Nakamichi Telefunken Rotel RN-500 Nakamichi Nakamichi Tascam DX-4 D Sony NR-500 Tascam DX-4 D Dolby Mod. 363 Rebis 6-Kanal Nakamichi Aiwa HR-50 Fisher NR-500 Sony NR-500 Nakamichi Telefunken Phase Linear DBX SNR-1 ANT 232 Telcom ANT ES4 Telcom Nakamichi Rotel RN-500 DBX SNR-1 Sanyo Plus N 33 Behringer SNR Nakamichi Nakamichi Roth RX-NR4 Technics Dolby Mod. 363