Owner
’s Manual
23
Owner’s Manual
DRM Loudspeakers Specifications
Appendix B: Technical Information
Equalization
Low
±12 dB @ 20 Hz – 200 Hz
Mid
±12 dB @ 200 Hz – 2.00 kHz
High
±12 dB @ 2.00 kHz – 20.0 kHz
HPF
40 Hz – 160 Hz (Var)
Input/Output
Input Type:
2x Female XLR Balanced
• 1/4" Balanced • 1/8" Stereo
Mic-Line Impedance:
8 k balanced
1/4" TS, Wide-Z™ Impedance:
1 M unbalanced
Direct Out and Mix Out:
Male XLR Balanced
Mix Out Impedance:
600 balanced
Main Control:
Rotating knob
Electronic Crossover
Crossover Type:
24 dB/octave
Crossover Frequency:
1.5 kHz [DRM212 and DRM215]
900 Hz [DRM315 LF / MF]
2.5 kHz [DRM315 MF / THF]
Line Input Power
Detachable line cord
~100 – 240 VAC, 50 – 60 Hz, 110W
~220 – 240 VAC, 50 – 60 Hz, 110W
AC Connector
3-pin IEC 250 VAC, 10 A male
Power Supply Type
Switchmode
Safety Features
Input Protection
Peak and RMS limiting,
power supply and amplifier
thermal
protection
Display LEDs
Defeatable front power,
Speaker
Control
Status Info
Input and output levels, voicing mode,
sub HPF, EQ and delay settings
Construction Features
Basic Design:
Asymmetrical [DRM212 and DRM215]
Vertical Trapezoidal [DRM315]
Enclosure
Material:
Plywood
Enclosure Finish:
Black Polyurea
Grille Material:
16-18 gauge perforated steel
Grille Finish:
Powder-coated black
Handles:
One on each side [All],
one on top[DRM212 and DRM215]
Display LEDs
Front:
Power
ON
Rear:
Speaker
Control
Operating Temperature:
0 – 40 ˚C
32 – 104 ˚F
Acoustic Performance
Frequency Range (–10 dB):
45 Hz – 20 kHz [DRM212]
43 Hz – 20 kHz [DRM215]
35 Hz – 20 kHz [DRM315]
Frequency Range (–3 dB):
50 Hz – 20 kHz [DRM212]
47 Hz – 20 kHz [DRM215]
39 Hz – 20 kHz [DRM315]
Horizontal Coverage Angle:
90º [All, DRM315 rotatable]
Vertical Coverage Angle:
60º [All, DRM315 rotatable]
Maximum SPL Peak:
134 dB [DRM212]
135 dB [DRM215]
137 dB [DRM315]
Monitor Angle
50˚ [DRM212 and DRM215]
Transducers
Low Frequency:
12 in / 305 mm [DRM212]
15 in / 381 mm [DRM215 and DRM315]
with ferrite
Mid Frequency:
6.5 in / 165 mm [DRM315]
High Frequency:
1.4 in / 36 mm titanium
dome compression driver [All]
Power Amplifiers
System Power Amplification
Rated Power
1600 watts peak [DRM212]
1600 watts peak [DRM215]
2300 watts peak [DRM315]
Low Frequency Power Amplifier
Rated Power:
1220 watts peak [DRM212]
1220 watts peak [DRM215]
1920 watts peak [DRM315]
Rated THD
< 1%
Cooling
Convection
Design:
Class
D
High Frequency Power Amplifier
Rated Power:
380 watts peak
Rated THD
< 1%
Cooling
Convection
Design:
Class
D
System Processing
Voicing
4 speaker modes
Subwoofer HPF
Off, DRM18S, Var
Main Output EQ
3-band
Delay
0 – 100 ms
