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Marantz 2252 Instruction Manual page 16

Stereophonic receiver
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I.M. Distortion
(I.H.F.
method, 60 Hz and 7 kHz mixed 4 : 1 at rated power output)
at 8 ohm load impedance
0.1 %
at 4 ohm load impedance
0.1 %
Damping
Factor (at 20 Hz)
45
Sensitivity
(at MAIN
IN)
1.5 V
Impedance (at MAIN
IN)
30 k ohms
Frequency
Response for Power Amp Only
(at 1 Watt output,
20 Hz to 20 kHz)
±0.2 dB
Preamplifier
Section:
Phono
Input Overload at 1 kHz
100 mV
Equivalent
Input Noise
1.5 j1V
Dynamic
Range
:................................
96 dB
(Dynamic
Range is the ratio of input overload to equivalent
input noise)
Input Sensitivity
1.8 mV
Input Impedance
47 k ohms
Frequency
Response, R IAA 20 Hz to 20 kHz
±0.75 dB
Signal-to-Noise
Ratio
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
76 dB
(at rated output
and 7.75 mV input)
High Level (Aux and Tape)
Input Sensitivity
180 m V
Input Impedance
85 k ohms
Frequency
Response (includes power amp.)
10 Hz ~ 60 kHz ±1.25 dB
Signal-to-Noise
Ratio
88 dB
(ref. to rated output
and 775 mV input)
Output
Levels
Tape Out (ref. 7.75 mV at Phono inputs)
775 mV
Pre-Out
(ref. 180 mV at Aux inputs)
1.5 V
(ref. 500 mV at Aux inputs, main amp. disconnected)
4.2 V
Output
Impedance
Tape Out
600 ohms
Pre-Out
900 ohms
FM
Tuner Section:
Sensitivity
IHF Usable
10.8 dBf (1.9
"LV)
IHF 50dB
Quieting
(mono)
17.3dBf
(4.0j1V)
(stereo)
37.2 dBf (40
"LV)
Quieting Slope (Mono)
RF Input for 30 dB Quieting
9.8 dBf (1.7 j1V)
Quieting at:
20 dBf (
5.5 J1V)
51 dB
25 dBf (
10 j1V)
58 dB
40 dBf (
55 j1V)
65 dB
65 dBf (1000 J1V)
72 dB
Quieting Slope (Stereo)
Quieting at:
30 dB f (
17
J1
V)
40 dB
40 dB f (
55
j1
V)
50 dB
50 dBf ( 173 j1V)
56 dB
65 dBf (1000 j1V)
62 dB
Distortion
(Mono) at 65 dBf (1000 J1V)
100 Hz
0.25%
1000 Hz
0.15%
6000 Hz
0.4%
Distortion
(Stereo) at 65 dBf (1000 j1V)
100 Hz
0.35%
12

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