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Specifications
■General Specifications
XS250 XS350
Power Output Level (Rated Power) 8Ω/STEREO 170 W + 170 W 230 W + 230 W
20 Hz~20 kHz 4Ω/STEREO 250 W + 250 W 350 W + 350 W
THD+N= 0.1% 8Ω/BRIDGE 500 W 700 W
1 kHz 8Ω/STEREO 185 W + 185 W 250 W + 250 W
THD+N= 0.1% 4Ω/STEREO 280 W + 280 W 400 W + 400 W
8Ω/BRIDGE 560 W 800 W
1 kHz, 20 ms, no clip 2Ω/STEREO 400 W + 400 W 600 W + 600 W
Power Bandwidth Half Power 10 Hz~40 kHz (THD+N= 0.1%)
Total Harmonic Distortion (THD + N) 4~8Ω/STEREO
20 Hz~20 kHz, Half Power 8Ω/BRIDGE 0.05%
Frequency Response 8Ω, Po= 1 W +0.5, –1 dB 10 Hz~50 kHz
Intermodulation distortion (IMD) 4~8Ω/STEREO
60 Hz:7 kHz, 4:1, Half Power 8Ω/BRIDGE 0.05%
Channel Separation Half Power, RL= 8Ω,≥65 dB, 20 Hz~20 kHz
Vol. max., input 600Ω shunt
Residual Noise Vol. min. 12.7 kHz LPF ≤ –70 dB
IHF-A network ≤ –75 dB
SN Ratio 100 dB
Damping Factor 8Ω, f= 1 kHz ≥100
Slew Rate STEREO ±30 V/µs
8Ω full swing BRIDGE ±40 V/µs
Sensitivity (Vol. max.) Rated Power into 8Ω+1.7 dB +3.1 dB
Voltage Gain (Vol. max.) 32.1 dB 32.1 dB
Input Impedance 30 kΩ/Balanced, 15 kΩ/Unbalanced
Controls Front Panel POWER switch (ON/OFF)
Rear Panel Volume (31 position)x 2
Mode switch (STEREO/BRIDGE/PARALLEL)
Filter switch (OFF/SUBWOOFER/LOW CUT)x 2 (–12 dB/oct.)
Freq. control (25 Hz~125 Hz)
x 2
Connectors Input Barrier strip terminal
XLR-3-31 type/ch
Output Barrier strip terminal
5-way binding posts
Indicators POWER Green
PROTECTION x 2 (Red)
CLIP x 2 (Red)
SIGNAL x 2 (Green)
Protection Circuits POWER switch ON muting, DC detection,
Temp. detection (heatsink temp ≥ 90°C)
PC limiter RL ≤ 1Ω
Fan Speed Low/~50°C, Variable/50~70°C, High/70°C~
Power Requirements US & Canada 120 V, 60 Hz
Europe 230 V, 50 Hz
Other 240 V, 50 Hz
Power Consumption 450 W/600 VA 600 W/800 VA
Idling 45 W 45 W
1/8 output power, 4Ω400 W 550 W
Maximum output, 4Ω1000 W 1400 W
Dimensions (W x H x D) 480 x 132 x 319 mm
Weight 18 kg 20 kg