The new, moderately
prieced Bose Model 550 AM/FM Stereo Receiver brings you Bose technology and
research wrapped up in an affordable, innovative package. It includes a
direct-coupled amplifier that delivers a solid 40 watts of RMS power per
channel - enough to drive almost any loudspeaker. It has an excellent AM/FM
tuner section for clean reception. And exclusive Bose Source and Room
Compensation Controls let you adjust for recording characteristics and for room
acoustics. These controls make it easy for you to remove mid-range boominess
without losing your deep bass. Try that with a conventional receiver.
The Bose 550
Receiver is designed to drive any speakers that suit your taste and budget. And
it contains a unique feature you'll really appreciate when you upgrade your
system. More and more customers tell us their first loudspeakers are interim
units and that one day they hope to invest in a Bose 901 Series
Direct/Reflecting Loudspeakers System.
Ownwrship of the 550
Receiver brings that day much closer, because the receiver has a built-in 901
Active Equalizer that gives you a significant savings when you purchase 901
speakers.
Specifications
Power Output: 40 watts per channel (minimum RMS continuous
power, with both channels driven into 8 ohms, T.H.D. less than 0,3% from 20 Hz
to 20 kHz)
IHF power
Bandwidth: 20 Hz - 20 kHz (both channel
driven, T.H.D. less than 0,19%)
Intermodulation
Distortion: 0,09% IHF (60 Hz /7 khzmixed
4:1 at rated output)
Total Harmonic
Distortion: 0,09% from 0,5 to 40 watts
Frequency
Response: 20 Hz - 20,000 Hz ±0,5 dB
Phono RIAA: ±0,5 dB
Input
Sensitivity/Impedance:
Phono : 2,75 mV/47 k Ω
Auxx, Tape : 150 mV/50 k Ω
Signal-to-Noise
Ratio:
Phono : 76 dB (A weighted, below rated output, inputs
shorted)
Amplifier: 87 dB (A weighted, below rated output, inputs
shorted); 91 dB (A weighted, below rated output, min.
Volume)
Channel
Separation:
Aux, Tape: 60 dB at 1 kHz
Phono : 55 dB at 1 kHz
Phono Overload: 100 mV
Loudness Control
:
8 dB at 100 Hz ±2 dB
6 dB at 12 kHz ±2 dB
Source Room
Compensation Controls:
Low Filter:
-3 dB at 100 Hz
-7 dB at 20 Hz
Low Frequency
Control
Narrow Position
±8 dB at 140 Hz
(center frequency)
±1 dB at 20 Hz and 1
kHz
Wide Position
±3 dB at 350 Hz
±8 dB at 50 Hz
High Frequency
Control
±8 dB at 15 kHz
±3 dB at 2,2 kHz
FM Tuner
IHF Usable
Sensitivity:
Mono : 2,0 µV (11,25 dBf)
Stereo : 3,5 µV (16,11 dBf)
50 dB Quieting
Sensitivity:
Mono : 3,8 µV (16,82 dBf)
Stereo : 40 µV (37,27 dBf)
Frequency
Response: 30 Hz - 15 kHz +1, -3 dB
Signal-to-Noise
Ratio (65 dBf):
Mono : 65 dB
Stereo : 60 dB
Total Harmonic
Distortion (65 dBf):
Mono : 0,25%
Stereo : 0,50%
Capture ratio: 1,9 dB
Alternate Channel
Selectivity: 60 dB
Spurious Response
Rejection: 80 dB
Image
Rejection: 65 dB
AM Rejection: 50 dB
Stereo Separation (1
kHz): 40 dB
AM Tuner
20 dB Usable
Sensitivity: 350 µV/M w /ferrite
loopstick
Adjacent Channel
Selectivity: 35 dB
Distortion: 0,9% 9400 Hz at 30% modulation)
Image
Rejection: 37 dB
IF Rejection: 45 dB
Signal-to-Noise
Ratio: 40 dB
Power
Requirements: 120 Volts AC, 60 Hz or 240
Volts AC, 50 Hz
Power Consumption:
360 watts at rated power
AC Outlets: 1 x Switched, 1 x Unswitched ( 400 watt max)
Dimensions (W x H x
D): 464 x 146 x 311 mm
Weight: 7 kg (15,5 lbs)
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