Sonodyne SM 100AK Studio Reference Speaker

Sonodyne SM 100AK Studio Reference Monitor Highlights

• 2 way nearfield active monitor
• Ideal for serious audio monitoring
• Magnetically shielded - can be placed next to computer monitors
• Console or wall mounting
• Balanced XLR and TRS Jack inputs
• Master volume on the front
• 4 bass tilt and treble tilt DIP switches for workstation boundary compensation

Included in the Box

• 1 x SM 100AK speaker

Description

The sound quality obtained from the Sonodyne SM 100AK reference monitors is a neutral, transparent sound field with a wide sweet spot and precise imaging. They have an incredible mid-range, tight bass response and the highs are crisp, smooth and don't get in the way of the mids and bass frequencies. No wonder they have just been accredited with Future Music's Platinum and Value Awards.

The Sonodyne SM 100AK monitors have been created with the utmost attention to detail and feel really well made. The case is matt black aluminium with twin ports on the front and they feature the following high-grade components throughout.

Monolithic aluminum die cast cabinets: Sonodyne have designed the SM enclosure to be exceptionally rigid. The entire cabinet of SM 100 AK is a 6 mm thick monolithic aluminium die cast. Additionally, the interior walls are coated with a specially formulated deadening compound to prevent ringing.

Mechanical precision: All sides are anti parallel that greatly reduces formation of standing waves. The inclined baffle also contributes towards horizontal time alignment. Additionally all corners are rounded, and all controls, well recessed to minimize edge diffraction. The twin bass ports are flared at both ends to minimize turbulence. The vent area has been optimized to prevent power compression at loud levels.

Kevlar woofers in metal die cast chassis: The woofer for each monitor has been designed with 2 objectives in mind : As a bass unit, it should provide fast, tight and low distortion bass from the modest sized enclosure, and, as a low mid unit it should yield a smooth frequency response, good transient response and minimum cone break up. Kevlar was the obvious choice of material. The bass performance was achieved by optimizing the T/S parameters to suit the enclosure volume and by equipping it with a powerful motor and long throw voice coil. The mid performance was achieved by optimizing the cone geometry and the dust cup.

Advanced Electronic Design: The LF and HF units are biamped; i.e., powered internally and separated via an active crossover. The internal amplifier and crossover are dimensioned to the respective drive units. This provides for an optimum utilization of amplifier power. The amplifier features very low THD and IMD and exhaustive protection measure to ensure safety and reliability. Use of a toroidal transformer, selection of low noise op amps, minimal signal wiring and careful PCB layout contribute to a high S/N ratio which creates a very low self generated noise level. The crossover is a 4th order design. The steep attenuation of out of band frequency components creates minimum overlap resulting in smooth off axis response, as is evident from the polar plots. User operated controls include a gain control and 4 bass tilt and treble tilt DIP switches for workstation boundary compensation. Also included is a master volume control and power switch.

The resulting sound obtained is a neutral, transparent sound field with a wide sweet spot and precise imaging.

The Technical Stuff

• Description : 2 way nearfield active monitor
• Transducer Complements : LF : Magnetically shielded 6.5" Kevlar cone woofer
  HF : Magnetically shielded 26mm silk dome ferrofluid cooled tweeter with integral waveguide
• Enclosure Type : Vented, through twin front-firing aerodynamic port.
• Overall Freq.Response : 60 Hz ~ 22 kHz, (± 3 dB)
• Usable Freq. Response : 50 Hz ~ 30 kHz (± 10 dB)
• Max. Long Term SPL, Half Space : 109 dB at 1m
• Horizontal Beam Width : 90° (Averaged between 5 ~ 14 kHz)
• Vertical Beam Width : 85° (Averaged between 5 ~ 14 kHz)
• Total Harmonic Distortion : 65 Hz ~ 200 Hz < 3 %
• (at 95 dB SPL) : > 200 Hz < 1 %
• Amp. Power Before Clipping : LF: 80 Watts HF: 40 Watts
• S/N Ratio (at Unity Gain) : > 90 dB, referred to full output
• Amp. THD at Rated Power : < 0.04 %
• Input Level for 109 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 : 40 Hz, 12 dB/ Octave
• Crossover : 4th Order, Linkwitz Riley, 1.5 kHz crossover freqency
• Bass Tilt : -2 dB, -4 dB, -6 dB @ 80 Hz
• Bass Roll-Off : 80 Hz, 6 dB/ Octave
• Treble Tilt : - 2 dB @ 15 kHz
• Controls- Front : Power Switch & Volume Control
• Controls Rear : Gain control, 4 dip switches for bass/ treble tilts and 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 : 200 VA Max.
• Cabinet Material : Die-cast aluminium
• Finish : Black texture
• Dimensions (WxHxD) : 230 mm x 335 mm x300 mm
• Internal Vol./ Net Weight : 13 Litres/ 10.5 Kg

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