Technics RS-B755 (1989–1990)
A three-head direct-drive cassette deck with Dolby B, C, and HX Pro, built for precision analog recording and playback.
Overview
The Technics RS-B755 is a stereo cassette deck produced in 1989–1990, part of Technics' lineup of high-performance tape decks. It features a three-head configuration and a direct-drive transport system with digital servo control, designed to deliver stable, accurate tape speed and reduced wow and flutter. The deck includes advanced recording features such as APRS (Automatic Program Recording System) for optimal level setting from digital sources, a linear electronic counter with memory stop and repeat, and a built-in Class AA headphone amplifier with variable output. It was positioned as a mid-priced model offering professional-grade functionality.
Specifications
| Heads | 1 Permalloy combination record/playback head; 1 double-gap ferrite erase head |
| Wow & Flutter | 0.05% WRMS |
| Frequency Response (EIAJ) | Normal Tape: 30 Hz - 17 kHz (±3 dB); Chrome Tape: 30 Hz - 18 kHz (±3 dB); Metal Tape: 30 Hz - 19 kHz (±3 dB) |
| S/N Ratio (Chrome Tape) | NR off: 57 dB (WTD, 1 kHz, 3% third order distortion); Dolby B on: 66 dB (CCIR); Dolby C on: 74 dB (CCIR) |
| Power Supply | 100 VAC, 50Hz/60Hz |
| Power Consumption | 19W |
| Dimensions (W x H x D) | 430 x 135 x 290 mm |
| Weight | 5.3 kg |
| Accessory | Wireless Remote Control RAK-RS3002W |
Design
The RS-B755 uses a direct-drive transport with a digitally servo-controlled DD motor and a zinc die-cast flywheel for stable rotation. It features a TNRC (Technics Non-Resonance Compound) chassis to minimize vibration and a Permalloy record/playback head with PC-OCC (Pure Copper-Ohno Continuous Casting) winding. The recording amplifier employs linear magnetic field Class AA circuitry, and the deck includes Dolby HX Pro headroom extension, Dolby B and C noise reduction, and a cassette half-power assist loading mechanism with a stabilizer. The unit also has an MPX filter, auto recording mute, and a recording calibrator with independent left/right channel adjustment.
Product Family
The RS-B755 belongs to the Technics cassette deck series, which includes the RS-B765, RS-B900, RS-B905, and RS-B965.
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