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Legendary “Isolated Loop" 3-Motor Direct-Drive Open-Reel Tape Deck with Quartz-Synthesizer Pitch Control. The RS-1800 has basically the same high-level professional performance capability as the other models of this series, but with several additional features to enhance the "Isolated Loop" construction. Foremost of these perhaps is the quartz synthesizer pitch control with digital display of rated speed and actual selected deviation. The digital display also shows, using microcomputer technology, elapsed time in hours, minutes, seconds. The 76 cm/s tape speed means that fidelity is better than ever. Bias and equalization can be adjusted automatically, or manually if desired. Microcomputer "Memory" function (of time setting) for automatic position location convenience. Other features: "Auto-Play", "Auto-Repeat" and SX head assembly. Separate amplifier unit for mounting flexibility. Transport unit weight: 36kg, amplifier unit: 16.6kg.
FEATURES: 4-HEAD SYSTEM (3 SX for 2-track rec, 2-track repro, 4-track repro); 1 double-gap ferrit for erasing. OPTIONAL HEAD ASSEMBLY: RP-2422 (2-channel, 4-track rec/repro & 2-track repro); RP-2224 (2-channel, 2-track rec/repro & 4-track repro). CAPSTAN DRIVE: Quartz-phase-locked control DC brushless servo direct-drive motor. REEL DRIVE: 2 tape tension controlled DC brushless direct-drive motor. ERASE DEPTH: >70 dB/ 1 kHz. OPERATING LEVEL (OVU): 185 nWb/m.
SPECIFICATIONS FOR TAPE SPEED 30 ips (76 cm/s):
Wow & Flutter (rec/repro) 0.01 % (JIS weighted RMS), ±0.025 % (DIN weighted Peak), 0.02 % (NAB unweighted RMS); Frequency Response (rec/repro) 30~35,000 Hz -10dB (40~25,000 Hz ±2 dB); Signal-to Noise Ratio 69 dB (650nWb/m), 64 dB (370nWb/m); Total Harmonic Distortion (400 Hz, rec/repro, all speeds) <0.8 % at 185 nWb/m (OVU); <2 % at 370 nWb/m (+6 dB).
Specifications: Technics Service Manual. Fotos: div. (1-4), audioscope (5-7).
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SPECIFICATION_TITLE_PRODUCTS
| | | 1. General | | Système: | Reel to Reel |
| Culeur: | 2 |
| Consommation: | 165 W @ 120/240 V |
| | | Reel To Reel | | Système de Piste: | 2/2 REC+PB; 4/2 PB |
| Largeur max. Bobine: | 10-1/2 inch; (26.7 cm) inch / cm |
| Vitesse de Bande cm/s.: | 76 / 38 / 19 cm/s. |
| Vitesse de Bande ips: | 30 / 15 / 7-1/2 ips |
| Moteurs: | 2 |
| Durée FF et rebobinage: environ | >150 sec/762m tape secondes |
| Capstan: | 1, direct drive |
| Pleurage, Scintillement 7-1/2 ip: 19 cm/s : | (19 cm/s): 0.03 (JIS weighted RMS); ±0.05 (DIN weighted Peak); 0.05 (NAB unweighted RMS (WRMS) |
| Pleurage, Scintillement 15 ips: 38 cm/s : | (38 cm/s): 0.015 (JIS weighted RMS); ±0.035 (DIN weighted Peak); 0.03 (NAB unweighted RMS (WRMS) |
| Têtes: | 4 |
| Ecart de Canaux: | > 50 dB/ 1 kHz db |
| Fréquence de Polarisation: | 200 kHz kHz |
| Réponse de Fréquence 7-1/2 ips: (19 cm/s) : | (19 cm/s): (38 cm/s): 20~25,000 -10 dB;
(20~20,000 Hz ±2 dB) Hz |
| Réponse de Fréquence 15 ips: (38 cm/s) : | (38 cm/s): 30~30,000 -10 dB;
(30~22,000 Hz ±2 dB) Hz |
| Rapport Signal/Bruit 7-1/2 ips: (19 cm/s) : | (19 cm/s): 67 (650 nWb/m);
62 (370 nWb/m) (A pondéré) |
| Rapport Signal/Bruit 15 ips: (38 cm/s) : | (38 cm/s): 67 (650 nWb/m);
62 (370 nWb/m) (A pondéré) |
| Impédance Entrée Line In: | 10 (47 unbalanced) kΩ |
| Sensibilité Entrée Line In: | 77.5 (-20 dB); (60 -22 dB unbalanced) mV |
| Impédance Sortie Line Out: | 1 (0.6 / 10 balanced) kΩ |
| Sensibilité Sortie Line Out: | 775 (1,228 V balanced) mV |
| | | 2. Physical | | Dimensiones en Pulgada: | 19.68 x 17.44 x 13.66 (Transport Unit);
19.68 x 8.74 x 15.31 (Amplifier) (L) x (H) x (P) |
| Dimensiones en mm: | 500 x 443 x 347 (Transport Unit);
500 x 222 x 389 (Amplifier) (L) x (H) x (P) |
| Poids en lbs: | 79.4 (Transport Unit); 36.6 (Amplifier) lbs |
| Poids en Kg: | 36 (Transport Unit); 16.6 (Amplifier) Kg |
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