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