Yamaha M-45 Stereo Power Amplifier Owner's Manual

Brand: Yamaha
Category: amplifier
Document type: User Manual
Language: English
Pages: 8
File format: PDF
File size: 1.2 MB
Published: 02 July, 2012
Updated: 02 July, 2012
Model: M-45
MD5 checksum: 5018D60739F89D7033693D7D03A6A076
PDF: Yamaha M-45 Stereo Power Amplifier Owner's Manual PDF

About this manual

The Yamaha M-45 is a stereo power amplifier featuring Auto Class A power circuitry and zero distortion rule amplification. It supports two pairs of speakers and includes overload protection circuitry to ensure safe operation. The manual details how to connect the amplifier to control amps and speakers, emphasizing proper grounding and impedance matching.

What's inside

Safety Instructions
Connecting a Control Amp
Connecting Speakers
Power Switch
Protection Indicator
Auto Class A Switch
Meter Switch
Peak Power Indicators
Troubleshooting
Specifications

Specifications

Speaker Impedance (Two Pairs)	8 ohm minimum
Peak Power Range	0.06 W to 250 W

Frequently asked questions

How do I connect the amplifier to a control amp?

Connect the output cords of the control amp to the input jack receptors on the rear panel of the M-45.

What happens if the Protection Indicator lights during normal play?

Disconnect the plug from the AC outlet immediately, check speaker connections, and restart the system at low volume.

How does the Auto Class A switch affect operation?

Activating it provides pure Class A amplification for low power, shifting to Class AB for transient peaks.

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