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Parasound NewClassic 2250 v.2 Power Amplifier


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THX Ultra2 certified

275 watts x 2 into 8 Ω (all channels driven)

400 watts x 2 into 4 Ω or 2 Ω (all channels driven)

750 watts x 1 bridged into 8 Ω or 4 Ω

45 amps peak current per channel

2 Ohm stable operation with load selector switch

Two pairs of speaker outputs with front panel A/B buttons

Rear-mounted lockout switch disables front A/B buttons

High pass filter, switchable for 20Hz or 40Hz

Automatic on/off by DC trigger with looping output

Automatic on/off by audio signal with 2 sensitivity settings

Fully discrete circuitry with high current toroid transformer

Bridging switch for stereo or mono operation

Efficient, low heat design

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

Heavy duty 24k gold-plated 5-way speaker terminals

115/230v selector on rear panel



All Channels Driven

275 watts x 2, 8Ω

400 watts x 2, 4Ω

400 watts x 2, 2Ω (Load switch set to 2-3Ω)

Bridged Mono

750 watts x 1, 8Ω

750 watts x 1, 4Ω (Load switch set to 2-3Ω)

Current Capacity: 45 amps peak per channel

Frequency Response

20 Hz - 50 kHz, +0/-3 dB, 1 watt

Dynamic Headroom - 1.6 dB

Total Harmonic Distortion

0.20% 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

AC Power Requirement

110 - 120 V / 220 -240 V, 50 - 60 Hz

0.5 watts standby

35 watts Idle (no audio)

1000 watts full output


17.25" Wide

18.5" Deep, with cables connected

6" High with feet, 5.25" panel only (3U)

(437 x 470 x 153mm, 133mm panel only)

Net Weight - 43 lbs (19.5 kg)

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