Parasound Model 275 V.2 Two Channel Power Amplifier Open Box
90 watts x 2 into 8 (all channels driven)
150 watts x 2 into 4 or 2 (all channels driven)
200 watts x 1 bridged into 8 or 4
20 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
1U rack mount kit available separately (Model RMK11)
Parasound 2 year parts, 2 years labor warranty
(For USA purchases only)
Specs
Power Output - (RMS power, 20 Hz - 20 kHz)
All Channels Driven
90 watts x 2, 8
150 watts x 2, 4
150 watts x 2, 2 (Load switch set to 2-3 )
Bridged Mono
200 watts x 1, 8
200 watts x 1, 4 (Load switch set to 2-3 )
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
103 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
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
Dimensions
17-1/4" Wide
16" Deep, with cables connected
2-1/2" High with feet, 1-3/4" panel only (1U)
(437 x 406 x 63mm, 44.1 mm panel only)
Net Weight - 20 lbs (9.1 kg)
Rack Mount Accessory
May be Purchased Separately
RMK11
