Sony HMK-70 - Page 2

HMK-70 |
AUDIO AMPLIFIER SECTION
Continuous RMS
power output:
Music output Power:
Power band width:
Harmonic distortion:
IM distortion:
(250Hz: 8kHz=4: 1)
Frequency response:
Input:
(at continuous RMS
power)
. TAPE
REC/PB
{inputs)
MIC
Outputs:
2x
20W,
40
Hz—12.5
kHz
(THD
0.9%,
8
ohms)
DIN
2x
25W,
1kHz
(THD 0.9%, 4 ohms)
70W
(THD
0.9%,
8
ohms)
10
Hz—25
kHz,
{HF
(~3
dB)
_Less than 0.9% at 1 kHz at continuous
RMS power output
Less than 0.2% at 1 kHz at continuous
RMS power outout, DIN 45500
PHONO: RIAA equalization curve
+2dB
40 Hz to 20 kHz at
continuous RMS power
Output
TAPE:
Sensitivity | Impedance
50k ohms
50k ohms
600 ohms
Output
voltage impedance
REC OUT 250mV | 10k ohms
REC/PB
(output) 30mV 80k ohms
SPEAKER 8-ohm speakers are most
suitable,
HEADPHONE Accepts 8-ohm or higher
headphones,
Signal-to-noise ratio:
Tone controls:
Loudness control:
Damping factor:
High filter:
GENERAL
Circuit system:
Power consumption:
Power requirements:
PHONO 50dB at 3 mV input
TAPE } 75 dB at 440 mV
REC/PB (input) J input
BASS: £10dB at 100 Hz
TREBLE: +10dB at 10 kHz
+8 dB at 100 Hz
+4dB at 10 kHz
(volume contro! attenuation: 30 dB)
Better than 60 (82), DIN 45500
6 dB/octave above 4.3 kHz
Dimensions:
626 {(w) x 191 (h) x 430(d) mm
2454(w) x 714 (h) x 16%6 (d) inches
Net weight: 19.4 kg (42 1b 1202)
RECORD PLAYER SECTION
Platter:
30cm
(11!346"},
die-cast
aluminum
alloy
1 kg
(2!b
302)
Speeds:
3314,
45
rpm
Drive system: _Belt-drive
Motor: 4-pole hysteresis synchronous
Wow
and
flutter:
+0.09%
weighted
(DIN
45507)
S/N ratio: Greater than 63 dB weighted
(DIN 45544)
Tonearm: Universal type, statically balanced |
Optimum stylus force: 3g
Cartridge: Magnetic type VL-30G
SONY ND-133G
(Conical 0.5 mil diamond)
Stylus:
Note: For further information, refer to
the service manual “TTS-360"
supplied with this service manual.
STEREO CASSETTE DECK SECTION
Track:
Tape speed:
4 track, 2 channel
4.8 cm/sec (1% ips.)
Recording bias
frequency: 85kHz (ISS: 1), 80 kHz (ISS: 2)
Record/playback
head:
.PF145—3602
Erase
head:
EF135—36
SPEAKER
SECTION
System:
3-way
Woofer:
22
cm
(834")
cone
type
Mid-range:
9cm
(3!4")
cone
type
Tweeter:
5cm
(2")
cone
type
Impedance:
82
:
Dimensions:
285
(w)
x
495
(h)
x
240
(d)
mm
1114
(w)
x
1914
(h)
x
934
(d)
inches
Net
weight:
5.5
kg
(121b
20z)
(each)
Fm stereo, FM/MW/LW superheterodyne
tuner, SEPP OTL power amplifier
150 watts
220V, 50Hz/60 Hz (AEP Model)
(110, 127, 220 and 240V adjustable)
240V, 50 Hz (UK Model)