Amplifier Product Line
Amplifiers
The models SA2400 MKII and SA255 MKII amplifiers are designed to work in concert with our full-range speakers and subwoofers to provide the optimum power and signal processing to bring laboratory-grade invisible sound to your project.
Using classic A+B amplifier architecture for proven performance, reliability and power output, these workhorse amps will ensure your Stealth speakers perform to their potential.
Specifications
| SA2400 MKII | SA255 MKII | |
|---|---|---|
| Type | Two-Channel High-Current Amplifier with DSP optimization | Monaural Subwoofer Amplifier/Crossover |
| Mono Power Output | 350 watts @8Ω < 0.05 THD 460 watts @4Ω < 0.05 THD |
250 watts @ 8 < 0.05 THD 350 watts @ 4 < 0.05 THD |
| Total Harmonic Distortion | < 0.05 @ 460 watt @4Ω / 1 kHz | <0.05 @ 1 watt 4 / 100Hz |
| Signal to Noise Ratio | >105 dB / A weighting 20Hz-20kHz | 86 dB below rated output |
| Low Pass Filter | Pre-defined EQ curves for Stealth Acoustics LineaResponse® speakers | 50Hz – 150Hz / 18 dB per octave |
| High Pass Filter | Fixed high-pass filter @18Hz | 18Hz / 30 dB per octave (fixed) |
| System Impedance | 8Ω nominal, 4Ω minimum | 8Ω nominal, 4Ω minimum |
| Current Draw | 1080 watts @115V / 8 Ω (100Hz sine wave – both channels driven) | 6.2A @ 350W/4 – 115VAC/60Hz |
| Width | 19” (482 mm) with ears | 19” (482 mm) with ears |
| Height | 3-1/2” (89 mm) without feet | 3-1/2” (89 mm) without feet |
| Depth | 15-3/4” (400 mm) without knobs | 13-5/8” (345 mm) without knobs |
| Weight | 38 lbs. (17.2 kg) | 31.3 Lbs. (14.20 kg) |