This document describes how to use STAGEPAS 150M, including removing the mixer, connecting power, and turning on/off the power.
This manual introduces the Yamaha STAGEPAS 150M, a compact portable PA system that combines an 8‑inch two‑way speaker with a powered mixer. It explains the features, package contents, and how to install the mixer into the speaker cabinet.
Detailed sections cover power connection, control operation, safety precautions, troubleshooting tips, and full technical specifications such as output power, frequency response, and dimensions. The guide also includes FCC compliance information and service contact details.
| Maximum Output Power (Speaker) | 150 W (±10 %)/4 Ω @ 10 % THD at 1 kHz |
|---|---|
| Maximum Output Power (Mixer) | 100 W/4 Ω @ 1 % THD at 1 kHz |
| Maximum Output Level | 112 dB (1 m) |
| Total Harmonic Distortion | 0.5 % @ 20 Hz, 1 kHz, 20 kHz |
| Power Consumption | 20 W |
| Weight | 9.6 kg (Speaker + Powered Mixer) |
| Speaker Frequency Range | 55 Hz‑20 kHz (-10 dB) |
Press the mixer’s power switch to the ON position to power up (the POWER indicator lights); press it to OFF to shut down.
Reduce the volume, ensure the vent is not blocked, let the unit cool, then press the power switch again after it has cooled down.
Use the SPEAKER jack with the supplied speaker (300S) and speaker cable; other speakers or cables may cause damage.
Move the cell phone farther away from the speaker system to eliminate induced noise.