BasX A2+ Stereo Amplifier
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Product Overview
Product Features
Smooth Class A/B Sound
This two-channel Class A/B amplifier is designed to sound smooth, detailed, and natural, with confident speaker control and no added edge. The A2+ uses a refined Class A/B output stage and wide bandwidth design to keep things clean and composed.
Heavy-Duty Linear Power
A heavy-duty linear power supply with an oversized toroidal transformer delivers plenty of current for real-world speakers. The goal is simple: consistent, confident performance when your system starts asking for more, including with 4 ohm loads.
Built for Real-World Reliability
Quality parts, careful internal layout, and solid construction are baked into the design. The heavy steel chassis with a milled aluminum faceplate adds strength and a clean, classic look, and it’s built to deliver years of reliable service.
Easy System Integration
Connect to a stereo preamp, surround processor, or any AVR with preamp outputs using balanced XLR or unbalanced RCA inputs, one per channel. A standard trigger input supports system control, and the A2+ can also be set to turn on automatically when it senses an audio signal, with automatic 115V/230V operation for worldwide setups.
Transparent Protection
Microprocessor-controlled monitoring and protection are designed to stay out of the way during normal listening, while guarding against common fault conditions. It’s backed by Emotiva’s 3-year warranty and supported by the U.S.-based team in Franklin, Tennessee.
Specs & Downloads
The BasX A2+ is a two-channel power amplifier that 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 affordable price.
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.
• Gain: 29 dB.
• Power Bandwidth (at rated power; 4 Ohm - 8 Ohm load): 20 Hz to 20 kHz (+ / – 0.07 dB).
• Broad Band Frequency Response: 5 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).
> 95 dB; ref 1 watt; (A-weighted.
• Minimum Recommended Load Impedance (per channel): 4 Ohms (equals one 4 Ohm speaker or two paralleled 8 Ohm speakers).
• Damping Factor: (8 Ohm load): > 500.
• Input Impedance: 27 kOhms.
Input Connections:
Unbalanced (RCA); one each per channel
Balanced (XLR); 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
Dimensions:
17” wide x 4-1/4” high x 15-1/2” deep (unboxed; including feet).
17” wide x 3-1/2” high x 15-1/2” deep (unboxed; without feet).
Weight:
25.2 pounds (unboxed).
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