This manual covers the operating instructions for the Technics SB-CR33, SB-CR55, SB-CR77, and SB-CR99 speaker systems, including installation, wiring, power‑handling advice, and protection features. It also contains a detailed specifications table for each model.
Additional sections describe proper speaker placement, connection procedures, maintenance recommendations, and product service information, helping users achieve optimal performance and longevity of the speakers.
| Impedance | 8 ohms, nominal |
|---|---|
| Input power (music) | 140 W (SB‑CR33/CR55), 200 W (SB‑CR77/CR99) |
| Output sound pressure level | 90 dB/W (1.0 m) |
| Frequency range (16 dB below avg.) | 38 Hz‑22 kHz (SB‑CR33) |
| Dimensions (W × H × D) | 320 × 600 × 269 mm (SB‑CR33) |
| Weight | 7.7 kg (17 lb) (SB‑CR33) |
Place the speakers away from the floor and walls, as bass increases when they are close to a wall or floor.
Use an amplifier with 8 Ω or lower impedance speaker terminals.
Wipe it with a soft, dry cloth; for heavy dirt, use a weak soap‑water solution, then dry with a soft cloth. Avoid alcohol or solvents.