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SA2400

2400

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.

Product Description

Features and Functions

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

115V-60Hz and 230V-50Hz Selectable Input Voltages

 

Rack Mountable

(2) RU spaces: 3-1/2” (89mm)

Product Specifications

Power Output (per channel – both channels driven)

310 watts @8Ω < 0.05 THD
450 watts @4Ω < 0.05 THD

Frequency Response

20Hz-50kHz (+1/-3dB)

Total Harmonic Distortion

< 0.05 @ 450 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

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

Shipping Weight

38 lbs. (17.2 kg)

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