This document is the operating manual for the Yamaha MS20S powered monitor speaker system. It details the use of Yamaha's Active Servo Technology to provide superior low-frequency reproduction with a 12cm woofer and 3cm tweeter in a bass reflex enclosure.
The manual provides instructions on safety precautions, front and rear panel controls including Tone Control and Master Level, example setups for various audio sources, and general specifications regarding frequency range, power output, and dimensions.
| Frequency Range | 70 Hz — 15 KHz (Tone Con.:Flat) |
|---|---|
| Max. SPL | 101 dB SPL (20 W, 1m) |
| Dimensions | 140 x 290 x 196 mm |
| Output Power | 20 W at 1 kHz, THD = 1%, RL=8 Q |
| Nominal Impedance | 8 Q |
The power requirement is AC 120 V, 60 Hz.
It consists of one 12 cm cone woofer and one 3cm cone tweeter.