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BM15A Owner’s Manual - Issue 2

Page 6

November 1997

Warranty

This product is guaranteed against defects in materials and workmanship for 1 year from date
of purchase. This warranty is void if the unit has been tampered with or modified in any way,
or in our opinion has not been used in accordance with the instructions above.

Technical Specifications

Type:

2 way active near/midfield monitor

Frequency Response: 40 Hz to 22 kHz (-3dB).

SPL (Peak/Cont.):

119dB / 109dB one cabinet @ 1m.

Drive units:

240 mm bass driver, 26 mm high frequency driver

Internal amplifiers:

200W + 100W discrete MOSFET power amps.

Convection cooled.

1.7 kHz electronic crossover, 5

th

 order phase aligned.

Instrumentation type balanced input section, with input overload

protection.

Protection:

DC, Thermal on both channels, opto-electronic limiter on HF

User Controls:

Variable HF and LF trim, Input sensitivity

Dimensions:

455 x 290 x 387 millimetres (h x w x d)

(Allow 35 mm for rear connectors clearance)

Positioning:

Free standing near/mid-field, desktop mounting.

Rigid high performance stands recommended.

Accessories:

Power cable supplied.

Schematic Diagram

Fixed eq

LF and HF trim

5

th

 order

crossover

HF limiter

Driver

protection

Instrumentation type
electronically balanced
input stage

100W Hexfet Amplifier

200W Hexfet amplifier

DA D260

DA 24W100

Clip indicator

Summary of Contents for DA-BM15A

Page 1: ...ead 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...

Page 2: ...in 1 If your signal source is unbalanced it is usual to connect the unused signal pin i e Pin 3 to ground This is normally done inside the connecting cable For best results use only good quality screened cables and connectors Positioning The BM15A is designed as a nearfield or mid field monitor and would normally be positioned 1 3m from the listener They can be mounted on stands or on the meter br...

Page 3: ...maximum range of 6dB 15kHz see graph LF Trim This control allows the low frequency level to be adjusted The LF Trim circuit is a low Q equaliser which reaches a maximum range of 6dB 50Hz see graph The trim controls are intended to allow the user to make some adjustment of the speaker response to accommodate personal tastes and variations in acoustic environment Trim Control Response Indicators The...

Page 4: ...rate again when you switch back on the fault may be due to overheating switch off again and allow it to fully cool down before powering up Ensure the heatsink is clear of obstruction and has free air circulation around it If however the fault condition persists the unit should be inspected by qualified personnel your DA dealer If the speaker stops working and no LED s are alight then the mains fus...

Page 5: ...rossover and amplifier mounted on the rear The ABES will extend the frequency response of the BM15A down to 35Hz Please consult your local dealer for a demonstration Service There are no user serviceable parts inside the BM15A so consult your dealer if service is required or contact one of the addresses below Dynaudio Acoustics A S Sverigesvej 15 DK 8660 Skanderborg Denmark Tel 45 86 52 34 11 Fax ...

Page 6: ... 100W discrete MOSFET power amps Convection cooled 1 7 kHz electronic crossover 5th order phase aligned Instrumentation type balanced input section with input overload protection Protection DC Thermal on both channels opto electronic limiter on HF User Controls Variable HF and LF trim Input sensitivity Dimensions 455 x 290 x 387 millimetres h x w x d Allow 35 mm for rear connectors clearance Posit...

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