Manual Sony XM-2751 Car Amplifier
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Manual
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Specifications
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
75␣ watts per channel minimum continuous average power into 4␣ ohms,
both channels driven from 20 Hz to 20 kHz with no more than 0.04 %
total harmonic distortion per Car Audio Ad Hoc Committee standards.
Other Specifications
Features
•Maximum power output of 150 watts per
channel (at 4 ohms).
•Wide dynamic range and low distortion (less
than 0.005 %).
•Built in LPF (Low-pass filter) and low boost
circuit.
•Built in protection circuit.
•Pulse power supply* for stable and regulated
output power.
* Pulse power supply
This unit has a built-in power regulator which converts the
power supplied by the DC 12 V car battery into high speed
pulses using a semiconductor switch. These pulses are
stepped up by the built-in pulse transformer and separated
into both positive and negative power supplies before being
converted into direct current again. This is to regulate
fluctuating voltage from the car battery. This light weight
power supply system provides a highly efficient power supply
with a low impedance output.
Caractéristiques
•Puissance admissible de 150 watts par canal (à 4
ohms).
•Large plage dynamique et faible distorsion
(inférieure à 0,005 %).
•LPF (filtre passe-bas) et circuit amplificateur de
basses fréquences intégrés.
•Circuit de protection intégré.
•Alimentation par impulsions* garantissant une
puissance de sortie stable et régulière.
* Alimentation par impulsions
Le convertisseur intégré de cet appareil permet de transformer
l’alimentation en courant continu fournie par une batterie de
voiture de 12 volts en signaux ultra-rapides grâce au
commutateur à semiconducteur. Ces signaux peuvent être
démultipliés par le transformateur intégré à impulsions,
séparés en courant positif et négatif avant d’être de nouveau
convertis en courant continu afin de stabiliser la tension
variable de la batterie de voiture. Ce système d’alimentation
de faible poids fournit une alimentation très efficace avec une
sortie de basse impédance.
Sony Corporation 1996 Printed in Japan
XM-2751
Stereo Power
Amplifier
3-858-865-11 (1)
Operating Instructions
Mode d’emploi
Owner’s Record
The model and serial numbers are located on the bottom of the unit.
Record the serial number in the space provided below.
Refer to these numbers whenever you call upon your Sony dealer regarding this
product.
Model No. XM-2751 Serial No.
Spécifications
Circuit system OTL (output transformerless)
circuit
Pulse power supply
Inputs RCA pin jacks
Outputs Speaker terminals
Speaker impedance 2 – 8 ohms (stereo)
4 – 8 ohms (when used as a
bridging amplifier)
Maximum output at 4 ohms
150 watts per channel
400 watts (monaural)
Rated output (supply voltage at 14.4 V)
75 watts per channel (20 Hz –
20 kHz, 0.04 % THD, at 4 ohms)
100 watts per channel (20 Hz –
20 kHz, 0.1 % THD, at 2 ohms)
Monaural: 200 watts (20 Hz –
20 kHz, 0.1 % THD, at 4 ohms)
Frequency response 5 Hz – 100 kHz (
-3
dB)
Harmonic distortion 0.005 % or less
(at 1 kHz, 4 ohms, 16 watts)
Input level adjustment range
0.2 – 4 V
Low-pass filter 80 Hz, -18 dB/oct
Low boost 0 – 10 dB (40 Hz)
Power requirements 12 V DC car battery (negative
ground)
Power supply voltage10.5 – 16 V
Current drain at rated output: 20 A
Remote input: 5 mA
Dimensions Approx. 230 × 53 × 212 mm
(w/h/d) (9
1
/8 × 2
1
/8 × 8
3
/8 in.) not
incl. projecting parts and controls
Mass Approx. 2.1 kg (4 lb. 10 oz.) not incl.
accessories
Supplied accessories Mounting screws (4)
Optional accessories Connecting cord for power
amplifier RC-46
RCA pin cord RC-64 (2 m)
RCA pin cord RC-65 (5 m)
Design and specifications are subject to change without
notice.
Circuiterie Circuit OTL (Sortie sans
transformateur)
Alimentation par impulsions
Entrées Prises à broche RCA
Sorties Bornes de haut-parleurs
Impédance des haut-parleurs
2 – 8 ohms (stéréo)
4 – 8 ohms (utilisé comme
amplificateur en pont)
Sorties maximales à 4 ohms
150 watts par canal
400 watts (monaural)
Sorties nominales (tension d'alimentation de 14,4 V)
75 watts par canal (20 Hz – 20 kHz,
0,04 % DHT, à 4 ohms)
100 watts par canal (20 Hz –
20 kHz, 0,1 % DHT, à 2 ohms)
En mono: 200 watts (20 Hz –
20 kHz, 0,1 % DHT, à 4 ohms)
Réponse en fréquence5 Hz – 100 kHz (
-3
dB)
Distorsion harmonique
0,005 % ou inférieure
(à 1 kHz, 4 ohms, 16 watts)
Plage de réglage du niveau d'entrée
0,2 – 4 V
Filtre passe-bas 80 Hz, -18 dB/oct
Amplification de basses fréquences
0 – 10 dB (40 Hz)
Alimentation Batterie de voiture, courant continu
12 V (masse négative)
Tension d'alimentation
10,5 – 16 V
Courant à la sortie nominale: 20 A
Entrée de télécommande: 5 mA
Dimensions hors tout Env. 230 × 53 × 212 mm (l/h/p)
(9
1
/8 × 2
1
/8 × 8
3
/8 po.) saillies et
commandes non comprises
Poids Env. 2,1 kg (4 li. 10 on.) accessoires
non compris
Accessoires fournis Vis de montage (4)
Accessoires en optionCordon de liaison pour
amplificateur de puissance RC-46
Cordon à broche RCA RC-64 (2 m)
Cordon à broche RCA RC-65 (5 m)
La conception et les spécifications peuvent être modifiées
sans préavis.
+0
+0
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Specifications
| Brand | Sony |
| Model | XM-2751 |
| Category | Car Amplifiers |
| File type | |
| File size | 0.28 MB |
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