Dynaudio DA-BM15A User Manual

DA-BM15A
OWNERS MANUAL
Congratulations on your purchase of the Dynaudio Acoustics BM15A monitor system. With
the right care and attention it will give you many years of trouble free audio reproduction. It is
most important, however, that you take a few minutes at this early stage in your BM15A’s life
to read the following paragraphs. They contain essential information to enable you to get the
best from your monitors.
Electrical Safety Warning
This unit is supplied with a 3 wire power cord. Under no circumstances should the
earth wire be disconnected.
To prevent possibility of shock hazard do not expose the unit to moisture
There are no user serviceable parts inside. Do not open cover. Refer servicing to
qualified personnel only
Ensure correct mains voltage and fuse are selected before connection to mains

Dynaudio DA-BM15A Specifications

Audio Specifications

frequency response	40 Hz to 22 kHz (-3dB)
SPL peak	119dB one cabinet @ 1m
SPL continuous	109dB one cabinet @ 1m

Drive Units

bass driver size	240 mm
high frequency driver size	26 mm
internal amplifiers power	200W + 100W discrete MOSFET

Dimensions

height	455 mm
width	290 mm
depth	387 mm

Summary

Electrical Safety Warning

General Safety Precautions

Essential safety information regarding power cord, moisture, servicing, and voltage.

Setting Up

Mains Power Connections

Connects to mains power via IEC inlet, earth, voltage selector, and correct fuse.

Audio Connections

Describes balanced XLR input, unbalanced connection, and cable quality.

Positioning

Recommends nearfield/mid-field placement, stand mounting, and aiming.

Operation

Controls

Explains Level switch, HF Trim, and LF Trim controls for sensitivity and frequency adjustment.

Indicators

Describes the power/fault indicator (red/green) and its behavior.

Running-In and Protection

Running-In Procedure

Recommends avoiding high levels for the first 24 hours for optimal driver performance.

Protection System

Details electronic protection for thermal overload, DC voltage, and HF limiter.

Troubleshooting and Care

Troubleshooting Guide

Guides on troubleshooting when the speaker stops working or LEDs indicate faults.

Care Instructions

Provides advice on avoiding clipping, unplugging equipment, and protecting drive units.

Options and Service

Bass Extension System

Mentions the Active Bass Extension System (ABES) for extending frequency response.

Service Information

States no user serviceable parts and provides contact information for Dynaudio Acoustics.

Warranty and Specifications

Product Warranty

Details the 1-year warranty against defects, void conditions, and tampering.

Technical Specifications

Lists technical details like type, frequency response, SPL, drive units, amplifiers, and dimensions.

Schematic Diagram

Circuit Diagram

Visual representation of the internal electronic components and signal flow.