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