Description
Beginning with the the two-channel AT1822 to the seven-channel AT1827, all ATI AT1820 Series amplifiers feature ATI’s Soft Turn-on protection. The Soft Turn-on circuit gradually powers up the amp to avoid tripping the circuit breaker or dimming the lights. At the back of the amplifier, an RCA unbalanced input, an XLR Balanced input, input selection switch and a pair of gold-plated, 5-way binding post outputs support each channel. There is also a 1/8” mono mini jack for +12V trigger, a gold-plated chassis ground lug, a fuse holder and an IEC 20 Amp inlet for the provided detachable power cord. The supplied power cord will have either: a NEMA 5-15 plug (Type B) for use in the USA, a BS 1363 (Type G) plug for use in the UK, or a Schuko (Type F) plug for use in the EU and the rest of the world.
The ATI AT1820 Series amps are passively cooled with large heat sinks for efficiency and low noise operation. Featuring toroidal transformers with bi-filar windings ensures low noise and crosstalk, hallmarks of all ATI amplifiers.
Numbers of Channels
FTC Full Bandwidth Power [email protected] 8Ω (Watts RMS)
FTC Full Bandwidth Power [email protected] 4Ω (Watts RMS)
Input Sensitivity for Full Rated FTC Output Power – 8Ω
Frequency Response
Signal-to-Noise Ratio (Ref FTC Rated Power, A-Wtd)
Total Harmonic Distortion + Noise (20Hz – 20kHz)
Intermodulation Distortion
Recommended Load Impedance
Damping Factor
Crosstalk
Voltage Gain (RCA Inputs)
Voltage Gain (XLR Inputs)
Slew Rate
Input Impedance
Output DC Offset
Power Requirements
Power Consumption (Standby)
Power Consumption (Idle)
Chassis Dimensions (W x H x D) inches
AT1825-AT1827: 17.0″ x 7 3/4″ x 17 5/8″
Chassis Dimensions (W x H x D) mlllimeters
AT1825-AT1827: 432 x 196 x 448
Net Weight (lbs/kg)
AT1826: N/A
AT1825: 77/35
AT1824: N/A
AT1823: 52.1/23.7
AT1822: 44.25/20.1
Shipping Weight (lbs/kg)
AT1826: N/A
AT1825: 92/41.8
AT1824: N/A
AT1823: 58/26.4
AT1822: 51/23.2
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