Stealth Acoustics High Current 2 Channel Amplifier SA2400


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High Current 2 Channel Amplifier

The Stealth Acoustics SA2400 is high-current two-channel amplifier with powerful built-in digital signal processing functions suitable as a low distortion power source for Stealth Acoustics speakers, Stealth subwoofers, or other un-powered speakers and subwoofers. Intended for distributed audio, fixed installations, or home theater applications, the SA2400 mounts using the supplied removable rack ears in a standard 19” (482 mm) equipment rack requiring only two RU spaces (3-1/2” – 89 mm), or may stack with other free-standing components. The SA2400 delivers a solid 310 watts per-channel into an 8Ω load and 450 watts per-channel into 4Ω.

The SA2400’s internal DSP functions may be programmed for each channel independently or together and include 11 bands of fully-parametric EQ, variable High and Low Pass filters with selectable slopes, fully-programmable limiter stage and delay functions. All parameters may be programmed using front panel controls or via a USB connected computer utilizing Stealth Signal Management System software (SSMS).

For maximum flexibility integrating into any audio system, the SA2400 includes RCA unbalanced line level, balanced XLR line level, and phoenix speaker level inputs for each channel, all with “pass-through” output connectors. The speaker level input/pass-through connections allow the SA2400 to feed directly from full-range speaker lines, anywhere in the system. A stereo optical input is provided for connecting digital sources to the amplifier. Inputs may be mapped to either channel and may be “mono-summed” via programming. The SA2400 amplifier output connections are via 5-way binding posts designed to accept heavy gauge speaker wires.

A selectable automatic turn-on feature activates the amplifier only when audio signals are present. Quiet 8-stage cooling fans automatically engage as required. The front panel includes direct master volume and menu access controls as well as an LCD display window and dual clip indicators. 115VAC and 230VAC input line voltages are easily selectable via a rear panel switch. The Stealth Acoustics SA2400 amplifier is covered by a 2-Year manufacturer’s warranty.

Rack Mountable(2) RU spaces: 3-1/2” (89mm) Product Specifications
Power Output Per Channel 350 watts @8Ω < 0.05 THD 460 watts @4Ω < 0.05 THD
Frequency Response 20Hz-50kHz (+1/-3dB)
Total Harmonic Distortion < 0.05 @ 460 watt @4Ω / 1 kHz
Signal to Noise Ratio >105 dB / A weighting 20Hz-20kHz
Analog Input Sensitivity -1dBV for output of 312.5W / 8Ω
Maximum Voltage Gain 36 dB / 8Ω
Crosstalk >85dB
System Impedance 8Ω Nominal – 4Ω Minimum
Shipping Weight 38 lbs. (17.2 kg)
Full Output Current Draw 1080 watts @115V / 8 Ω (100Hz sine wave – both channels driven) 1560 watts @115V / 4 Ω (100Hz sine wave – both channels driven) Typical audio power current draw is 1/8 to 1/4 Full Output Current Draw, depending on source material / load
Amplifier / Load Protection Full short circuit, open circuit, thermal, ultrasonic and RF protection On/Off muting with auto volume ramp up on power-up DC fault power supply shutdown Fixed high-pass filter @18Hz Stable into reactive or mismatched loads
Flexible Inputs with Pass Through Phoenix connector speaker level inputs / outputs RCA unbalanced line level inputs / outputs XLR balanced line level inputs / outputs Optical Digital input (stereo TOS – routable, no pass through output)
Amplifier Output Connectors 5-way binding posts (each channel)
Front Panel LCD Display Input level readout Programming / parameter display Dimming function (3 levels)
USB Connection For Computer programming of DSP features via SSMS software
Auto On / Standby Function Switch selectable “On” or “Auto”
Fan Cooled Automatic – 8 speed stages
Input Voltages115V-60Hz and 230V-50Hz Selectable

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