Parasound 275 V2 Power Amplifier

Parasound's NewClassic Model 275 power amplifier just received an update. It's been reborn as the NewClassic Model 275 v.2. This is the new v.2 version of the Model 275 with several new features for enhanced performance and convenience. The ultra-sensitive two-position audio trigger allowed Parasound to eliminate the audio trigger sensitivity knob. A 'Quieter' setting will automatically turn on the amp at a very low volume. If this isn't sensitive enough for your system needs, you can also use the 'Louder' setting. The 12 volt trigger jacks change from 2.5mm to 3.5mm. The standard for 12 volt triggers in the audio world has become the 3.5mm size and all Parasound products will change to use this larger size. Here's one more change to the rear panel. The ground lift switch has been removed. Changes to the internal grounding of the amps make this switch unnecessary. To conserve energy and meet Energy Star and EU power consumption requirement NewClassic amps only require 0.5 watts in standby. Updated front and rear cosmetics give the v.2 amps a fresh new look.

The front panel has been updated with rounded corners, a new display lens, and updated silk screening. The rear panel has updated silk screening making it easier to read and understand the functions. The Model 275 v.2 is the perfect amplifier for smaller rooms with its 90-watt-per-channel output at 8 ohms and 150 watts at 4 ohms. It will also deliver 200 watts into 8 ohms or 4 ohms in bridged mono mode. And it boasts 30 amps of peak current per channel for superior resolution of demanding musical peaks. The sound quality is pure Parasound pleasure. Fully discrete circuitry with a large toroidal transformer keeps the noise floor exceptionally low and the musical signal pure. The Model 275 v.2 can drive and select two speaker pairs (or two mono bridged speakers) with two pairs of speaker terminals and speaker select buttons with relay switching.

Features:

• Two channel amplifier, Updated front and rear cosmetics, New A/B speaker button lockout switch (on the rear panel)
• Impedance selector switch for 2W operation, Bridging switch for stereo or mono operation
• 18 dB / octave high-pass filter, switchable 20 Hz or 40 Hz, Fully discrete circuitry with toroid transfer, Efficient, low heat design
• DC servo and relay protection circuits, Automatic on/off by DC trigger with looping output
• Gold-plated RCA input jacks, loop output jacks, Heavy duty 24K gold-plated five-way speaker terminals
• 115 V / 230 V selector on rear panel, Standby, channel status, high temperature indicators
• Continuous RMS Power Output (20 Hz - 20 kHz, Both Channels Driven): 90 watts x 2, 8 ohms; 150 watts x 2, 4 ohms; 120 watts x 2, 2 ohms
• Continuous RMS Power Output (20 Hz – 20 kHz, Bridged Mono): 200 watts, 8 ohms; 200 watts, 4 ohms
• Frequency Response: 20 Hz - 50 kHz, +0/-3 dB, 1 watt
• Dimensions: 17-1/4" wide, 16" deep, with connectors 2-1/2" tall with feet, 1-1/4" panel only, Net Weight: 21 lbs
• Power Output (RMS power, 20 Hz-20 kHz), All Channels Driven: 90 watts x 2, 8Ω; 150 watts x 2, 4Ω; 150 watts x 2, 2Ω (Load switch set to 2-3Ω)
• Bridged Mono: 200 watts x 1, 8Ω; 200 watts x 1, 4Ω (Load switch set to 2-3Ω)
• Current Capacity: 20 amps peak per channel
• Frequency Response: 20 Hz: 50 kHz, +0/-3 dB, 1 watt
• Dynamic Headroom: 1.3 dB
• Total Harmonic Distortion: 0.35% at full rated output; 0.025% at average listening levels
• IM Distortion: 0.05 %
• Transient IM Distortion: Not measurable
• S/N Ratio: 110 dB at rated output, IHF A-weighted; 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: 800 mV for full rated output (28dB)
• Inter-Channel Crosstalk: 80 dB @1 kHz, 72 dB @10 kHz, 65 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; 25 watts Idle (no audio); 350 watts full output