THX Ultra2-Certified Parasound NewClassic 2125 v.2 Plays with Clarity, Punch, and Detail: 150Wpc Power Amplifier Features Fully Discrete Circuitry and Cool-Running Operation
High-value, high-performance power amplifiers don’t come much more vetted than the Parasound NewClassic 2125 v.2. The THX Ultra2-certified overachiever outputs a whistle-clean 150Wpc into eight ohms and a beefy 400Wpc in bridged mode. Delivering 35 amps of peak current per channel, NewClassic 2250 v.2 provides two-ohm stable operation with a load selector switch and drives speakers with confidence, authority, and ease. In addition to its compact 4.25 x 17.25 x 16-inch (HWD) chassis, it comes loaded with the audiophile technology and engineering for which Parasound remains famous.
Equipped with fully discrete circuitry and a high-current toroidal transformer, the 27-pound unit plays very efficiently and runs supremely cool. DC servo and relay protection circuits, a switchable high-pass filter, rear-mounted left and right gain controls, and a suite of standby, status, and high-temp indicators give you convenient options and peace of mind. The rack-mountable NewClassic 2125 v.2 also allows for auto turn-on/off via DC trigger or audio signal (with two sensitivity settings). A rear-mounted lockout switch disables the front A/B buttons for custom-install use, while heavy-duty, gold-plated five-way speaker terminals ensure compatibility with practically any speaker connections.
True to Parasound tradition, the quiet-operating NewClassic 2125 v.2 reproduces music with enticing clarity, vivid textures, expressive detail, and take-notice dynamics. Few power amplifiers with its capability, build quality, and reliability reside at its end of the price spectrum. Parasound’s two-year warranty and our 100% Music Direct Satisfaction Guarantee see to it you have every reason to audition NewClassic 2125 v.2 in your home today.
150 watts x 2, 8Ω
225 watts x 2, 4Ω
225 watts x 2, 2Ω (Load switch set to 2-3Ω)
Bridged Mono:
400 watts x 1, 8Ω
400 watts x 1, 4Ω (Load switch set to 2-3Ω)
Current Capacity: 35 amps peak per channel
Frequency Response: 20 Hz – 50 kHz, +0/-3 dB, 1 watt
Dynamic Headroom: 1.3 dB
Total Harmonic Distortion:
0.25% at full rated output
0.015% at average listening levels
IM Distortion: 0.05 %
Transient IM Distortion: Not measurable
S/N Ratio:
114 dB at rated output, IHF A-weighted
106 dB at rated output, unweighted
93 dB at 2.828 V output, IHF A-weighted
84 dB at 2.828 V output, unweighted
Input Impedance: 33 k Ω
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 @ 20kHz
Damping Factor: Over 150 at 20Hz
12V Trigger Turn On: DC 9 – 12V, 15 mA
Audio Turn On:
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 (WDH): 17-1/4″ x 16″ x 4.25″
Weight: 27 lbs.



















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