Optonica
SM-5200 Integrated
Stereo Amplifier
The
amplifier for the 5200 Series offers the type of circuitry and features usually
found in the more sophisticated models. ITL/OTL/OCL (input
transformerless/output transformerless/output capacitorless) power amp
circuitry helps keep distortion to a minimum, while improving amplifier
performance, even with the ample power rating of this unit. The SM-5200 is
equipped with a 4-position speaker switch enabling a variety of listening
arrangements with two speaker systems, a loudness switch for natural-sounding
performance at low volume levels, a subsonic filter for extra audio clarity and
mode switch for monaural as well as stereo reproduction. For extra ease, LEDs
indicating the operating status of each pushbutton are provided on the front
panel.
Specifications
Amplifier
Section
Music Output
Power:
2 x 68 W at
4 Ω (0,09% Total Harmonic Distortion)
2 x 45 W at
8 Ω (0,09% Total Harmonic Distortion)
Continuous
Output Power (RMS, both channel driven) At 1 kHz :
2 x 40 W (4
Ω, 0,09% T.H.D.)
2 x 33 W (8
Ω, 0,09% T.H.D.)
Continuous
Output Power (RMS, both channel driven) from 20 Hz to 20 kHz:
2 x 38 W (4
Ω, 0,15% T.H.D.)
2 x 30 W (8
Ω, 0,09% T.H.D.)
Total
Harmonic Distortion:
Rated Power
: 0,09%
Half Power
: 0,03%
Power
Pandwidth (IHF): 10 Hz - 30 kHz (0,15%
T.H.D.)
Frequency
Response
Phono: (±0,4 dB) RIAA curve Deviation
Tuner, Aux,
Tape : 10 Hz - 65 kHz (+1 dB, -3 dB)
Damping
Factor (1 kHz, 4 Ω): 20
Signal-to-Noise
Ratio (IHF-A):
Phono: 70 dB
Aux : 90 dB
Phono
Overload Level (1 kHz): 150 mV RMS
Tone Control
Bass : ±10 dB at 100 Hz
Treble
: ±10 dB at 10 kHz
Loudness
Control: +6 dB at 100 Hz ; +4 dB at 10
kHz
Filter Low
:30 Hz (-6 dB/oct)
Input
Sensitivity/Impedance:
Phono : 2,3 mV / 47 k Ω; 120 pF
Aux, Tuner,
Tape : 150 mV/47 k Ω
Output
Level/Impedance
Speakers
: A, B (4 - 16 Ω); A+B(8 - 16 Ω)
Headphones
: Low Impedance (4 - 16 Ω)
Tape
(Chinch) : 150 mV/47 kΩ
Tape (DIN)
: 60 mV/ 82 k Ω
General
Section
Power
Source: 110/220/240 V, 50/60 Hz AC
Power
Consumption: 330 W (220V)
Dimensions
(W x H x D): 430 x 75 x 382 mm
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