Yamaha MS2022, MS202II Specifications, , Block Diagram

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Specifications
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GENERAL SPECIFICATIONS
Type.......................................Bass Reflex Powered Speaker
Frequency Range.................. 70 Hz — 18 kHz (LOW and HIGH controls at center)
Max. SPL............................... 103 dB SPL (20 W, 1 m on axis)
Dimensions (W × H × D)........292 × 214 × 192 mm (11.5 × 8.4 × 7.6 in)
Weight....................................3.9 kg (8 lb 6 oz)
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SPEAKER SECTION
Components.......................... JA1060 [10 cm (4 in), Cone] × 2
Sensitivity...............................90 dB SPL (1 W, 1 m on axis)
Nominal Impedance...............4 Ω (8 Ω × 2)
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AMP. SECTION
Output Power.........................20 W at 1 kHz, THD = 0.5%, RL = 4 Ω
Frequency Response.............40 Hz — 20 kHz
Input Sensitivity......................MIC: –50 dB / 10 k Ω / Phone Jack
/Impedance............................LINE 1: –10 dB / 10 k Ω / Phone Jack
/Connectors LINE 2: –10 dB / 10 k Ω / Phone Jack
LINE 3: –10 dB / 10 k Ω / RCA Pin Jack
LINE OUT: –10 dB / 600 Ω / Phone Jack
Hum & Noise.......................... –73 dB *(VOLUME: min, fc = 12.7 kHz, 6dB / oct LPF)
Controls................................. MASTER, MIC
LOW: ±10 dB — 80 Hz
HIGH: ±10 dB — 10 kHz
POWER: “ON/OFF”
Power Requirement...............AC120 V, 60 Hz / US & CANADIAN Models
AC230 — 240V, 50/60 Hz / Other Models
Power Consumption...............45 W * 0 dB = 0.775 Vrms
Block Diagram
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