Technics RS-1520

The Technics RS-1520 is a semi-professional reel-to-reel tape deck from the late 1970s, designed for high-fidelity recording and playback with advanced calibration features like variable bias and EQ controls.

Key Specifications

It operates on a 4-track, 2-channel stereo/monaural system with tape speeds of 3¾, 7½, and 15 ips, accommodating up to 10.5-inch reels under NAB equalization. Wow and flutter is 0.035% at 15 ips, frequency response spans 30Hz–30kHz (or up to 20kHz in some listings), signal-to-noise ratio reaches 68 dB, and total harmonic distortion is 0.8%; inputs include 60mV line/0.25mV mic, with outputs at 2.19V line (plus balanced XLR).

Design Features

The deck features four Sendust heads (RP-2224), three direct-drive motors (quartz-locked 34mm capstan with dual pinch rollers, tension-controlled reel motors), Isolated Loop tape path for stability, and logic-controlled electronic braking. Pro-oriented elements include switchable playback heads (2-track record/4-track play), ±6% pitch control, source/tape monitoring, XLR/RCA connectivity, and low tape tension around 80g; dimensions are 502 x 456 x 257 mm, weighing 28 kg.