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The single, vertical S4X-V - 800W 12" Three-Way Active Mid-Field Studio Monitor by Adam Professional Audio is offered as an accurate reference-quality speaker intended for broadcast, TV applications, and medium-sized recording studios. Capable of delivering 800W of power, it features a 2" ribbon tweeter, a 6" midrange speaker, and a 12" bass speaker that are vertically positioned and designed for optimum performance in a bass-reflex enclosure with electronic correction.
Made from HexaCone with a honeycomb Nomex structure and Kevlar coating, the woofer and the midrange driver are built to resist deformation and deliver high dynamics with no self-resonance in the audible range. The woofer features a 3" voice coil coupled with an effective magnet system that produce deep & precise bass reproduction. These two speakers are powered by highly efficient (> 90%) PWM amplifiers designed to be light, compact, and powerful enough for use in larger control rooms.
Hand-made in Germany and featuring the company's proprietary X-ART technology, the 2" ribbon tweeter is remarkably efficient at high SPLs, and delivers precise transient response with a wide frequency response up to 50 kHz. It is powered by a 50W A/B amplifier with ultra-low distortion, specially designed to match the capabilities of the X-ART tweeter.
A variety of control options are available for adjusting the monitor's performance to the room acoustics. The front panel houses coarse & fine input-sensitivity controls, a low-frequency equalizer, a low-shelf filter, a tweeter-gain control, and a high-shelf filter for fine-tuning to your listening preferences. It also features a Power On / Standby switch and an LED to alert you in case of an overload – the protective circuit will prevent speaker damage.
The S4X-H's cabinet is built with rounded edges and a durable plastic coating that provides extra protection for everyday use in the studio.
2" ribbon tweeter hand-made in Germany and featuring the company's proprietary X-ART technology
12" HexaCone woofer with honeycomb Nomex structure, Kevlar coating, and a 3" voice coil.
6" HexaCone driver for clean midrange
50W A/B high-frequency amplifier specially designed to match the capabilities of the X-ART tweeter
500W PWM woofer amplifier & 250W PWM mid-range amplifier, designed for low heat and maximum efficiency (> 90%)
Type: PWM (Class D)
Amp. Power RMS / Music: 500 W / 700 W
Type: PWM (Class D)
Amp. Power RMS / Music: 250 W / 350 W
Amp. Power RMS / Music: 50 W / 100 W
Input Sensitivity (Coarse): -20 dB to +8 dB (4 dB steps)
Input Sensitivity (Fine): -1.5 dB to +2 dB (0.5 dB steps)
EQ (80 Hz): 0 dB to +6 dB (1 dB steps)
High-Shelf EQ (> 6 kHz): ±4 dB (1 dB steps)
Low-Shelf EQ (< 150 Hz): ±4 dB (1 dB steps)
Tweeter Gain: ±2 dB (0.5 dB steps)
28 Hz to 50 kHz
Total Harmonic Distortion (THD)
THD > 80 Hz: ≤ 0.6 %
Maximum Sound Pressure Level (SPL)
≥ 118 dB with sine wave acoustic, 100 Hz to 3 kHz at 3.28' (1 m)
≥ 128 dB per pair at 3.28' (1 m)
280 Hz and 2800 Hz
110 VAC / 60 Hz
Dimensions (H x W x D)
27 x 14 x 17.5" (690 x 360 x 445 mm)
78.5 lb (35.6 kg)
Adam Professional Audio S4X-V - 800W 12" Three-Way Active Mid-Field Studio Monitor (Vertical, Single) Review