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Circuit Topology
- The BasX A2 is a stereo power amplifier. The BasX A2 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.
Audio Specifications
Power Output:
(Two Channels Driven)
•160 watts RMS per channel; 20 Hz – 20 kHz; THD < 0.1%; into 8 Ohms
•250 watts RMS per channel; 1 kHz; THD < 1%; into 4 Ohms
Power Bandwidth (at rated power; 4 Ohm – 8 Ohm load): 20 Hz to 20 kHz (+ / – 0.07 dB)
Broad Band Frequency Response: 10 Hz to 80 kHz +0/-1.8 dB
THD + noise: < 0.02% (A-weighted); ref rated power
Signal to Noise Ratio (8 Ohm load):
> 112 dB; ref rated power; (A-weighted)
Minimum Recommended Load Impedance (per channel): 4 Ohms (equals one 4 Ohm load or two paralleled 8 Ohm loads).
Damping Factor (8 Ohm load): > 500
Input Sensitivity (for rated power; 8 Ohm load): 1.2 V
Gain: 29 dB
Input Impedance: 27 kOhms
Input And Output Connections
Input Connections: Unbalanced (RCA); one each per channel
Speaker Output Connections: Audiophile grade 5-way binding posts
Trigger:
• Trigger Input: 5 – 12 V (AC or DC); <10 mA input current required.
• Trigger Output: 12 VDC; can drive any load up to 120 mA.
Power Requirements
- 115 VAC or 230 VAC @ 50 / 60 Hz (automatically detected).
Front Panel Controls and Indicators
• Standby: push button
• Status LEDs: one per channel; blue
• Status LEDs change to red to indicate a fault condition
• Standby LED: amber
Rear Panel Controls
• AC Power switch: rocker switch (switches AC main power)
• Status LEDs switch: disables front panel Status LEDs
• Auto On – Source detectible auto on
Protection
- The BasX A2 is protected against excessive operating temperature, shorted speaker connections, ground faults, and other common fault conditions.
