Technics SU-7300 Service Manual

CARACTERISTIQUES
TECHNIQUES
(IHF)
Sujet
4
changement
sans
préaris.
PARTIE AMPLIFICATEUR
1kHz, puissance continue: total 2 canaux
55W + 55W (40)
43W + 43W (82)
20Hz
~
20kHz,
puissance
continue:
total
2
canaux
A48W + 48W (4)
41W + 41W (80)
Largeur de bande de puissance: total 2 canaux 80
8Hz ~ 55 kHz, -3dB
Distorsion harmonique totale:
a la puissance nominale (20Hz ~ 20kHz) 0.08%
4 demi-puissance (20Hz ~ 20kHz) 0.04%
a demi-puissance (1kHz)0,02%
Distorsion par intermodulation:
0.08% (60Hz : 7 kHz = 4: 1, SMPTE)
Tension résiduelle de bruit:
Facteur damortissement:
0.6mV
20 (40), 40 (829)
PHONO
TUNER
PHONO
TUNER
78dB
97dB
norme RIAA +0.3dB
7Hz ~ 80kHz +0dB, —3dB
20Hz ~ 20kHz, +0.5dB
Grave (BASS) 50H24+12dB a —12dB
Aigu (TREBLE) 20kHz, +12dB a —12dB
Rapport S/B (IHF, A):
Courbe de réponse:
Commandes de tonalite:
8kHz, —6dB/oct.
100Hz, +8cB
Enregistrement
150mV/1.2kQ.
REC/PLAY 30mV/82kQ
44160
Filtre Aigu (HIGH):
Correction physiologique (Volume 4 —30dB)
Tension de sortie: Magnétophone 1, 2,
Magnétophone 1,
Impédance de charge: PRINCIPAL ou ELOIGNE
GENERALITES
Consommation:
Alimentation (50Hz/60Hz):
Dimensions (L x H x P}:
Poids:
Sensibilité et impédance d’entrée:
PHONO
TUNER
Magnétophone 1. LECTURE
Magnétophone 2. LECTURE
Magnétophone 1. REC/PLAY
Tension max. d’entrée PHONO (1kHz, eff.}:
400W
110V/120V/220V/240V
410 x 139 x 334mm
8.9kg
2.5mV/47kO.
150mV/47kO.
180mMV/47kQ.
150mV/47kQ.
180mV/47kQ.
150mV
@ LOCATION OF CONTROLS
TREBLE VOLUME
LEFT RIGHT LOUDNESS
BASS BALANCE
PHONES JACK
POWER] ele
SPEAKERS SELECTOR.
METER RANGE SELECTOR
HIGH FILTER
*ineur SELECTOR
PHONO
VOLTAGE SELECTOR SWITCH
(SWITCHED)
(UNSWITCHED)
TAPE DECK 1
REC/PLAY (DIN) AC OUTLETS
®
This
photo
shows
only
the
products
for[XA].
@
The
products
for
other
desitnations
except
[XA]
are
equipped
with
AC
outlets.
e
For
further
remark,
the
products
for
[XAL]
are
not
provided
with
voltage
selector
and
AC
outlets.
MAIN SPEAKERS
REMOTE SPEAKERS
R CHANNEL
POWER AMPLIFIER
POWER
TRANSFORMER
L CHANNEL
POWER AMPLIFIER
POWER FUSES.
ELECTROLYTIC
CAPACITORS
8200 mfd( x 2) EQUALIZER ILC.
CIRCUIT
PROTECTION FUSES
SU-7300

Technics SU-7300 Specifications

General

Damping Factor	30
Speaker Load Impedance	4Ω to 16Ω
Input Sensitivity	2.5mV (MM)
Signal to Noise Ratio	90dB (line)
Channel Separation	55dB (line)
Output	150mV (line)