- SpecsCircuit TopologyThe BasX A-500 is a five channel power amplifier. The BasX A-500 combines classical audiophile amplifier architecture – based on a heavy-duty linear power supply, and a carefully designed high current, short signal path, Class A/B output stage, with advanced, microprocessor-controlled monitoring and protection circuitry, to deliver superb sound quality at a truly reasonable price.Power Output (two channels driven)110 watts RMS per channel; 20 Hz – 20 kHz; THD < 0.1%; into 8 Ohms
- 190 watts RMS per channel; 1 kHz; THD < 1%; into 4 OhmsPower Output (all channels driven)80 watts RMS per channel; 20 Hz – 20 kHz; THD < 0.1%; into 8 OhmsPower Bandwidth (at rated power; 8 Ohm load)20 Hz to 20 kHz (+ / – 0.07 dB).Broad Band Frequency Response5 Hz to 80 kHz (+ / – 1.8 dB).THD + noise< 0.02% (A-weighted); at rated power; 1 kHz; 8 OhmsSignal to Noise Ratio (8 Ohm load)> 120 dB (A-weighted); ref rated power.
- > 100 dB (A-weighted); ref 1 watt.Minimum Recommended Load Impedance4 Ohms; which equals one 4 Ohm load or two paralleled 8 Ohm loads.Damping Factor (8 Ohm load)> 500.Speaker Output ConnectionsAudiophile grade, 5-way binding posts.Power SupplyLinear power supply with heavy duty torodial transformer.Input Sensitivity (for rated power; 8Ohm load)1.2 V.Gain29 dB.Input ConnectionsUnbalanced (RCA); one per channel.Input Impedance27 kOhms (unbalanced).TriggerTrigger Input: 5 – 12 V (AC or DC); Trigger Output: 12 VDC; can drive any load up to 120 mA.Power Requirements115 VAC or 230 VAC @ 50 / 60 Hz (automatically detected).Front Panel Controls and IndicatorsStandby; push button (halo ring changes color to indicate Standby or On).
- Status LEDs; one per channel; blue.
- Status LEDs change to red to indicate a fault condition.Rear Panel ControlsAC Power switch; rocker switch (switches AC main power).
- Status LEDs switch; disables front panel Status LEDs.ProtectionThe BasX A-500 is protected against excessive operating temperature, shorted speaker connections, ground faults, and other common fault conditions.Dimensions17” wide x 4” high x 15.5” deep (does not include connectors)
- 21-1/2” wide x 8” high x 21” deep (boxed).Weight26.5 lbs (net)
- 35 lbs (boxed)
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