Anthem STR Power Amplifier

POWER AMPLIFIER

Impedance  

Power Output (per channel)

(Continuous, 20 Hz - 20 kHz, <1% THD)                

8Ω   400 W

4Ω   600 W

2Ω   800 W*

* Maximum 3 seconds due to high current draw.

THD (400 W)

0.0007% (1 kHz), 0.004% (20 kHz)

IMD (300 W) 

ITU-R (19 kHz + 20 kHz)     0.0006%

SMPTE (60 Hz + 7 kHz)      0.0016%

SNR (IEC-A, ref. 400 W)     121 dB

Frequency Response

(20 Hz - 20 kHz)   ±0.1 dB

Power Bandwidth (-3 dB at 400 W into 8ohms) 

91 kHz

Slew Rate    

30 V/μs

Damping Factor

(20 Hz - 1 kHz)      360

Channel Separation 

101 dB (100 Hz), 98 dB (10 kHz)

Input Impedance

10kΩ (RCA), 15kΩ (XLR)

Input Sensitivity (for 400W into 8Ω)       

2.1 Vrms

Voltage Gain       

29 dB

POWER REQUIREMENT

120 V version:     In countries where the line voltage is 120 V, this productoperates from a single phase AC power source that supplies between 108 V and132 V at a frequency of 60 Hz.

220-240 V version:     In countries where the line voltage is 220, 230, or 240 V, thisproduct operates from a single phase AC power source that supplies between 198V and 264 V at a frequency of 50 Hz.

POWER CONSUMPTION

Standby       

310 mW

Idle

65 W

Typical Playback Levels 

150 W - 300 W

High Playback Levels      

600 W - 1100 W

DIMENSIONS

Height    6-3/4” (17.2 cm)

Width     17” (43.2 cm)

Depth (not including powercord) 18-1/2” (47 cm)

Weight (unpacked)    60 lb (27.3 kg)