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