speakers
DM 21
21” Sub Woofer
4 Layer Voice Coil Design Ensures High Reliability & Great Heat Dissipation
Reduced Thermal Compression Due To Enhanced Cooling
High Sensitivity
Bolted Double Magnets
: 21" (550mm)
: 8 ohms
: 5.5" (4 Layer)
: Aluminium
: 280 X 20 mm (Dual Magnet)
: 2000 W RMS
: Kapton
: Copper
: 31.9 Hz
: 6.2 ohms
: 0.155
: 0.152
: 99.8 dB
: 356 g
: 282 ltrs
: 49
SPEAKER SPECIFICATIONS
​
Nominal Diameter
Impedance
Voice coil size
Frame
Magnet Size
Power Capacity
Voice coil former
Voice coil material
Fs
RE
QES
QTS
SPL
MMS
VAS
B/L
DM 21 2L
21” Sub Woofer
High Sensitivity Means Good Performance Even With Reasonably Powered Amplifiers
Extraordinary Reliability
Reduced Thermal Compression Due To Enhanced Cooling
Bolted Double Magnets
: 21” (550 mm)
: 8 ohms
: 5.5”
: Aluminium
: 280 x 20 mm (Dual Magnet)
: 2000 W RMS
: Kapton
: Copper
: 34 .4Hz
: 5.2 ohms
: 0.325
: 0.315
: 98.3 dB
: 318.5 g
: 271.4 ltrs
: 33
SPEAKER SPECIFICATIONS
​
Nominal Diameter
Impedance
Voice coil size
Frame
Magnet Size
Power Capacity
Voice coil former
Voice coil material
Fs
RE
QES
QTS
SPL
MMS
VAS
B/L
DM-21n
21” Sub Woofer
High Sensitivity Means Good Performance Even With Reasonably Powered Amplifiers
Reduced Thermal Compression Due To Enhanced Cooling
Extraordinary Reliability
SPEAKER SPECIFICATIONS
​
Nominal Diameter
Impedance
Voice coil size
Frame
Magnet Size
Power Capacity
Voice coil former
Voice coil material
Fs
RE
QES
QTS
SPL
MMS
VAS
B/L
: 21” (550 mm)
: 8 ohms
: 5.5”
: Aluminium
: Neo
: 2000 W RMS
: Kapton
: Copper
: 30.8 Hz
: 5.2 ohms
: 0.357
: 0.344
: 98.3 dB
: 290.1 g
: 371.4 ltrs
: 28
DM-18DX4
18” Sub Woofer
4 Layer Inside Outside Voice Coil Empowers it With Extreme High Power Handling While Generating The Lowest Harmonic Distortion Of Any Comparable 18-Inch Transducer Within Its Application Range
Dual Spider Design With Silicon Based Dampening Control Offers Double Resistance To Fatigue
Triple-Roll Surround And Corrugated Straight Cone Geometry With a 14mm Top Plate Allows For Superior Control And Power Handling
Very Well Suited For Horn Loaded
: 18” (467 mm)
: 8 ohms
: 4” (4 Layer)
: Aluminium
: 220 mm
: 1500 W RMS
: Kapton
: Copper
: 31 .7 Hz
: 5.2 ohms
: 0.202
: 0.198
: 97.0 dB
: 263.6 g
: 205.46 ltrs
: 36.79
SPEAKER SPECIFICATIONS
​
Nominal Diameter
Impedance
Voice coil size
Frame
Magnet Size
Power Capacity
Voice coil former
Voice coil material
Fs
RE
QES
QTS
SPL
MMS
VAS
B/L