AM/FM Stereo Tuner ST-7
Nakamichi Co.; Tokyo
- Paese
- Giappone
- Produttore / Marca
- Nakamichi Co.; Tokyo
- Anno
- 1987–1989
- Categoria
- Radio (o sintonizzatore del dopoguerra WW2)
- Radiomuseum.org ID
- 327183
- Numero di transistor
- A semiconduttori.
- Semiconduttori
- Principio generale
- PLL, Phase-locked loop
- Gamme d'onda
- Onde medie (OM) e MF (FM).
- Particolarità
- Telecomando (con o senza filo)
- Tensioni di funzionamento
- Alimentazione a corrente alternata (CA) / 120; 220; 240 Volt
- Altoparlante
- - Per cuffie o amplificatori esterni
- Materiali
- Mobile di metallo
- Radiomuseum.org
- Modello: AM/FM Stereo Tuner ST-7 - Nakamichi Co.; Tokyo
- Forma
- Apparecchio per ripiani a scaffale (come i componibili HiFi).
- Dimensioni (LxAxP)
- 435 x 63 x 289 mm / 17.1 x 2.5 x 11.4 inch
- Annotazioni
-
A hi-fi AM/FM stereo synthesizer tuner with a digital frequency display housed in a black metallic case. Provision for system wired remote control. With Schotz NR circuit, Memory for 16 FM and MW stations, switches for FM Mute and Mode (mono/stereo). AM loop antenna, terminals for FM and AM antennae, connection for System Remote control, RCA phono Line Output sockets with output level adjusters.
Specification FM Section De-emph. 75µs, IF Band Wide, 300Ω antenna Frequency Range 87.5-108.0MHz 100kHz steps IHF Usable Sensitivity Mono 10dBf/1.7µV, Stereo 17dBf/3.9µV 50dB Quieting Sensitivity Mono
Stereo with Schotz NR14dBf/2.7µV
28dBf/14µV, without Schotz NR 37dBf/39µVS/N Ratio Mono
Stereo> 80dB (USA, Canada), > 79dB (Other)
> 76dB (USA, Canada), > 75dB (Other)Schotz NR Improvement > 6dB Schotz NR Active Level 19-53dBf/2.5-250µV Hi-Blend Threshold Level 19dBf/5µV Muting Threshold Level 20dBf/5.5µV Frequency Response 20-15,000Hz ±1dB THD (1kHz) Mono < 0.06%, Stereo < 0.08% Capture Ratio 1.9dB Alt. Channel Selectivity (±400kHz) > 60dB (USA, Canada), > 70dB (Other) Stereo Separation
100Hz/1kHz/10kHz50/55/45dB (USA, Canada)
45/50/35dB (Other)Spurious Response Rejection > 100dB Image Rejection > 100dB IF Rejection > 100dB AM Suppression > 60dB AM Section Modulation: 400Hz, 30% Frequency Range 520-1,710kHz 10kHz steps Usable Sensitivity 50dBµ/m S/N Ratio (RF input 90dBµ/m) > 48dB THD (RF Input 90dBµ/m) < 0.4% Selectivity (±10kHz) > 20dB Output Level/Impedance FM (1kHz, Mono, 100% Mod.)
AM (400Hz, 30% Mod.)0.5-2.0V (variable)/1.5kΩ
0.2-0.9V (variable)/1.6kΩFM Antenna Inputs 75Ω unbalanced, 300Ω balanced Versions/Power Requirements
USA, Canada / 120V 50/60Hz
Others / 120, 220 or 240V AC 50/60Hz (According to country of sale)
Power Consumption: 15 W max. (USA, Canada), 16 W max. (Other)Very similar to the Nakamichi ST-7E AM/FM Stereo Tuner and the Nakamichi ST-70 AM/FM Stereo Tuner (Japan model).
- Peso netto
- 4.7 kg / 10 lb 5.6 oz (10.352 lb)
- Bibliografia
- -- Original prospect or advert (1987 and 1989 Nakamichi catalogues)
- Letteratura / Schemi (1)
- - - Manufacturers Literature (Service manual ST-7 ST-7E / ST-70)
- Letteratura / Schemi (2)
- - - Manufacturers Literature (Owner's manual ST-7/ST-7E)
- Autore
- Modello inviato da Howard Craven. Utilizzare "Proponi modifica" per inviare ulteriori dati.
- Altri modelli
-
In questo link sono elencati 140 modelli, di cui 113 con immagini e 14 con schemi.
Elenco delle radio e altri apparecchi della Nakamichi Co.; Tokyo