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Parasound NewClassic 2125 v.2 - Two Channel Power Amplifier The Parasound NewClassic 2125 v.2 is a high-performance two-channel power amplifier delivering powerful, clean audio for home theatre systems. THX Ultra2 certified, it provides up to 150 watts per channel into 8 ohms and 225 watts per channel into 4 ohms, with 400 watts bridged output for demanding audio setups. Key Features THX Ultra2 certified 150 watts per channel into 8 Ω (all channels driven) 225 watts per channel into 4 Ω or 2 Ω (all channels driven) 400 watts bridged mono into 8 Ω or 4 Ω Fully discrete design with high current toroid transformer High pass filter switchable between 20Hz and 40Hz Bridging switch for stereo or mono operation DC trigger input with automatic on/off and looping output Two pairs of speaker outputs with front panel A/B buttons Rear-mounted lockout switch disables front A/B buttons 2 Ohm stable operation with load selector switch Automatic on/off by audio signal with two sensitivity settings Efficient, low heat design with DC servo and relay protection circuits Rear-mounted left and right gain controls Standby, channel status and high temperature indicators Gold-plated RCA input jacks and heavy-duty 24k gold-plated 5-way speaker terminals 115/230V voltage selector on rear panel Specifications Power Output (All Channels Driven): 150 watts x 2 into 8 Ω, 225 watts x 2 into 4 Ω or 2 Ω (load switch set to 2-3 Ω) Bridged Mono Output: 400 watts x 1 into 8 Ω or 4 Ω (load switch set to 2-3 Ω) Peak Current: 35 amps per channel Frequency Response: 20 Hz - 50 kHz, +0/-3 dB at 1 watt Dynamic Headroom: -1.3 dB Total Harmonic Distortion: 0.25% at full rated output, 0.015% at average listening levels Intermodulation Distortion: 0.05% Transient IM Distortion: Not measurable Signal-to-Noise Ratio: 114 dB at rated output (IHF A-weighted), 106 dB unweighted Input Impedance: 33 kΩ Input Sensitivity: 1 V in for 28.28 V out (THX standard) Inter-Channel Crosstalk: 85 dB @1 kHz, 73 dB @10 kHz, 67 dB @20 kHz Damping Factor: Over 150 at 20 Hz 12V Trigger Turn On: DC 9 – 12V, 15 mA Audio Turn On Sensitivity: Quieter: 1 mV, Louder: 6 mV AC Power Requirement: 110-120 V / 220-240 V, 50-60 Hz; 0.5 watts standby; 32 watts idle (no audio); 550 watts full output Dimensions: 171/4" W x 16" D (with cables connected) x 4.25" H with feet (3.5" panel only, 2U) (437 x 406 x 107 mm; 88.2 mm panel only) Net Weight: 27 lbs (12.3 kg) Additional Information The Parasound NewClassic 2125 v.2 features a fully discrete circuit design with a high current toroid transformer, ensuring reliable and distortion-free performance. Its bridging switch allows flexible stereo or mono operation, making it ideal for various home theatre configurations. The amplifier includes protection circuits, gold-plated connectors, and user-friendly controls for optimal integration and durability. Rack Mount Accessory Optional rack mount accessory RMK22 is available for separate purchase.