SA3 vs Anthony Gallo Acoustics TR-2
The TR-2's impedance is 8Ω against the SA3's 6Ω, its high-frequency extension 180 Hz against 150 Hz, and its low-frequency extension 50 Hz against 10 Hz. Both share power @ 8ω (250W).
AI-generated product photo — not official manufacturer imagery.
SA3
NHTAmplifiersPower AmplifiersSubwoofersDiscontinued
Estimated price (community-sourced)
$276
Around — community and catalog average, updates slowly
About the SA3
The NHT SA-3 is a discrete Class G monaural subwoofer amplifier designed to drive passive subwoofers with precision control and minimal distortion. It features continuously variable low-pass filtering, selectable high-pass crossover options, and adjustable phase control for optimal integration with main speakers. The amplifier delivers 250 watts RMS into 6 ohms and can deliver 330 watts RMS when two 6-ohm subwoofers are connected in parallel. The SA-3 is known for its elegant simplicity, excellent build quality, and ability to reproduce deep bass frequencies with minimal distortion. It includes both line-level inputs and outputs, making it suitable for various audio system configurations from stereo to home theater applications.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Impedance
- 6Ω
- Frequency Response
- 10 Hz - 150 Hz
- Power Handling
- 330W
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 250W @ 8Ω
- Amplifier Class
- G
- Minimum Impedance
- 4Ω
- Max Input Voltage
- 0.0V RMS
Analog Output
Analog signal output specifications
- THD
- 0.030%
- SNR
- 0 dB
- Output Voltage
- 0.0V RMS
- Output Impedance
- 0Ω
- Max Output Voltage
- 0.0V RMS
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- RCA
- Analog Outputs
- RCA, 5-way binding posts
Key Specifications
Impedance: 6Ω
Power: 250W
Frequency: 10-150 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions