MS101-4 Owner’s Manual
9
Specifications
0 dBu is referenced to 0.775 Vrms.
*1 Power rating (120 V, 25°C).
This value is measured by releasing the software protection.
Dynamic: Measured at minimum load impedance, with protection released.
Continuous: Measured at nominal impedance, with protection activated.
The contents of this manual apply to the latest specifications as of the publishing date. To obtain the latest manual,
access the Yamaha website then download the manual file.
General
System Type
Full range Powered Speaker, Bass-reflex Type
Frequency Range (-10 dB)
77 Hz – 20 kHz
Measured Maximum SPL (Peak)
Pink noise@1 m
115 dB SPL
Transducer
LF
Diameter
4" (10 cm) Cone
Voice coil
1.0"
Magnet
Ferrite
Enclosure
Material, Color
Plastic (PP), Black
Dimensions
(W × H × D, without rubber feet)
142 × 196 × 187 mm
Net Weight
2.1 kg
Screw Threads (bottom)
2 × M5 depth 11 mm pitch 60 mm (for 2 × M5 × 6-10 mm screws)
1 × 3/8" depth 12 mm (for 1 × 3/8" × 9-11 mm screw)
Optional Speaker Bracket
BMS-10A, BAS-10, BWS20-190, BCS20-210, BCS20-150
Amplifier
Amplifier Type
Class-D
Power Rating
*1
Dynamic
30 W
Continuous
20 W
Cooling
Natural cooling (no fan)
Connectors
Input
INPUT (Front): Combo, LINE INPUT 1: Stereo mini,
LINE INPUT 2: Phone (TRS)
Output
Phone (TRS) × 1
Power
IEC AC inlet × 1
Input Impedance
INPUT (Front): LINE: 5.4 kΩ, MIC: 5.4 kΩ, LINE INPUT 1, 2: 10 kΩ
Input Sensitivity (VOLUME: Maximum)
INPUT (Front): LINE: -10 dBu, MIC: -40 dBu, LINE INPUT 1, 2: -10 dBu
Nominal Input Level (VOLUME: Center)
INPUT (Front): LINE: +5 dBu, MIC: -25 dBu, LINE INPUT 1, 2: +5 dBu
Maximum Input Level
INPUT (Front): LINE: +20 dBu, MIC: -10 dBu,
LINE INPUT 1, 2: +20 dBu
Controls
VOLUME × 1, LOW CONTROL × 1, HIGH CONTROL × 1, POWER
Idle Power Consumption
3 W
1/8 Power Consumption
10 W
Power Requirements
100 V – 240 V, 50/60 Hz