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The SM 50AKm is a derivative of the SM 50AK in that it utilises a metal (aluminium) dome HF driver (as apposed to to the silk dome of the SM 50AK)
 
   
 

Description
:
2 way nearfield active monitor
Transducer Complements
:
LF: Magnetically shielded 5.25” Kevlar cone woofer in composite poly-frame
HF: Magnetically shielded 26mm ferrofluid cooled aluminium dome tweeter with integral waveguide
Enclosure Type
:
Vented, through twin front-firing aerodynamic port.
Overall Freq.Response
 :
70 Hz ~ 21.5 kHz, (± 3 dB)
Usable Freq. Response
:
60 Hz ~ 24 kHz (± 10 dB)
Max. Long Term SPL, Half Space
:
104 dB at 1m
Horizontal Beam Width
:
80° (averaged between 5 ~ 14 kHz)
Vertical Beam Width
:
80° (averaged between 5 ~ 14 kHz)
Total Harmonic Distortion
:
80 Hz ~ 200 Hz < 3%
(at 90 dB SPL)
:
> 200 Hz < 1%
Amplifier & Crossover
:
 
Amp. Power
Before Clipping
:
LF: 45 Watts
HF: 45 Watts
S/N Ratio (at Unity Gain)
:
> 90 dB referred to full output
Amp. THD at Rated Power
:
< 0.04 %
Input Level for 11 dB SPL at 1m
:
- 6 dBU
Gain Control Range
:
± 6 dB, with respect to U position
Volume Control Range
:
> 70 dB
CMRR
:
> 65 dB
Subsonic Filter
:
60 Hz, 12 dB/ Octave
Crossover
:
4th Order Linkwitz Riley, 2.5 kHz crossover freq.
Bass Tilt
:
-2 dB, -4 dB, -6 dB @ 80 Hz
Bass Roll-Off
:
100 Hz, 6 dB / octave
Treble Tilt
:
-2 dB at 15 kHz
Controls- Front
Rear
:
Power Switch & Volume Control
Gain control, 4 DIP switches for bass/ treble tilts & bass roll-off
Indicator
:
Power ON /OFF
Protection
:
Over current, over heat,  Switch ON/OFF transients
Power
:
230 V AC, ± 10% , 50 Hz
Power Consumption
:
100 VA Max.
Cabinet Material
:
Die-cast aluminium
Finish
:
Black texture
Dimensions (WxHxD)
:
180 mm x 262 mm x 220 mm
Internal Vol./ Net Weight
:
6 Litre/ 6.3 Kg