SU-A900D - Recepteur TECHNICS - Notice d'utilisation et mode d'emploi gratuit

Type de produit	Récepteur stéréo intégré
Marque	Technics
Modèle	SU-A900D
Dimensions (L x H x P)	430 x 130 x 350 mm
Poids	10 kg
Alimentation	220-240 V, 50/60 Hz
Consommation électrique	150 W (max)
Puissance de sortie	2 x 100 W sous 8 Ω
Impédance des enceintes	4-16 Ω
Entrées audio	Phono (MM), CD, Tuner, Aux, Tape 1/2
Sorties audio	Enceintes A/B, Casque, Tape 1/2 (REC)
Tuner	AM/FM stéréo avec présélections
Fonctions principales	Amplification stéréo, tuner intégré, sélection d'entrées, contrôle de tonalité, loudness, balance
Entretien et nettoyage	Essuyer avec un chiffon doux et sec. Ne pas utiliser de solvants.
Sécurité	Ne pas exposer à l'humidité. Débrancher avant nettoyage. Ne pas obstruer les grilles de ventilation.
Pièces détachées et réparabilité	Contactez un centre de service agréé Technics pour les pièces et réparations.
Accessoires fournis	Antenne AM, antenne FM filaire, câble d'alimentation, télécommande (selon version)

FOIRE AUX QUESTIONS - SU-A900D TECHNICS

Comment brancher des enceintes sur le Technics SU-A900D ?

Utilisez des câbles d'enceinte dénudés sur les borniers à vis. Respectez la polarité (+/-) et connectez les enceintes aux sorties A ou B. L'impédance doit être comprise entre 4 et 16 Ω.

Comment régler la tonalité sur le récepteur ?

Utilisez les potentiomètres BASS et TREBLE en façade pour ajuster les graves et les aigus. Le bouton LOUDNESS compense l'audition à faible volume.

Que faire si l'appareil ne s'allume pas ?

Vérifiez que le câble d'alimentation est bien branché et que la prise fonctionne. Si le problème persiste, l'appareil peut être en mode protection : éteignez-le, débranchez les enceintes, attendez 10 minutes, puis réessayez.

Comment nettoyer le Technics SU-A900D ?

Débranchez l'appareil. Utilisez un chiffon doux légèrement humide (pas de solvants). Pour les connecteurs, un nettoyant contact spécifique est recommandé.

Puis-je utiliser un casque avec ce récepteur ?

Oui, branchez votre casque sur la prise PHONES en façade. Les enceintes seront automatiquement coupées.

Comment mémoriser des stations de radio ?

Syntonisez la station avec le bouton TUNING, puis appuyez sur MEMORY et sur l'une des touches de présélection (1-8). Répétez pour les autres stations.

Quelle est la puissance recommandée pour les enceintes ?

Les enceintes doivent avoir une puissance nominale d'au moins 50 W et une impédance de 4 à 16 Ω. Évitez les enceintes de puissance inférieure à 30 W pour prévenir tout dommage.

Comment connecter un platine vinyle ?

Branchez le câble de la platine sur l'entrée PHONO. Assurez-vous que la platine possède un préampli phono intégré ou utilisez le préampli intégré du SU-A900D. Connectez la terre si nécessaire.

Que faire en cas de distorsion sonore ?

Réduisez le volume. Vérifiez que l'impédance des enceintes est adaptée. Évitez d'utiliser la fonction LOUDNESS à volume élevé. Si le problème persiste, vérifiez les sources audio.

Où trouver la notice complète du SU-A900D ?

La notice est disponible en téléchargement gratuit au format PDF sur notice-facile.com. Vous pouvez également demander une traduction par email.

MODE D'EMPLOI SU-A900D TECHNICS

Technics®

Stereo Control-Power Amplifier

SU-A900D/SU-A800D

Operating Instructions

Dear Customer

Thank you for purchasing this Technics product. For optimum performance and safety, please read these instructions carefully.

These operating instructions are applicable to the following systems.

System	Control amplifier	Power amplifier
SU-A900D	SU-C800U	SE-A900S
SU-A800D	SU-C800U	SE-A800S

These operating instructions, however, are intended primarily for system SU-A900D.

Table of contents

Before use

Accessories 2

Caution for AC mains lead

(For United Kingdom) 3

Suggestions for safety 4

Front panel controls 5

Connections....6

Concerning the remote control 8

Operation

Listening to sound....9

To adjust the tone quality....10

To adjust the sound balance....10

To mute the sound level....10

To listen through headphones 10

Recording 11

To check the sound recorded while recording is being made....11

Using the remote control

Remote control operation....12

Reference

Technical specifications....15

Troubleshooting guide......Back cover

Accessories

Please check and identify the supplied accessories.

□ AC power supply cord....1

(For United Kingdom)

(For Australia and N.Z.)

(VJA0733 or RJA0049-K)

(RJA0036-K)

□ Stereo connection cable....1

(SJP2278)

Amplifier connection cable....1

(RJL6D001B10)

□ Remote control transmitter....1

(RAK-SU180WH)

□ Batterios 2

(UM-4, "AAA", R03)

Use numbers indicated in parentheses when asking for replacement parts.

(For United Kingdom)

("EB" area code model only)

For your safety, please read the following text carefully.

This appliance is supplied with a moulded three pin mains plug for your safety and convenience.

A 5-ampere fuse is fitted in this plug.

Should the fuse need to be replaced please ensure that the replacement fuse has a rating of 5-ampere and that it is approved by ASTA or BSI to BS1362.

Check for the ASTA mark 📂 or the BSI mark 🌐 on the body of the fuse.

If the plug contains a removable fuse cover you must ensure that it is refitted when the fuse is replaced.

If you lose the fuse cover the plug must not be used until a replacement cover is obtained.

A replacement fuse cover can be purchased from your local dealer.

CAUTION!

IF THE FITTED MOULDED PLUG IS UNSUITABLE FOR THE SOCKET OUTLET IN YOUR HOME THEN THE FUSE SHOULD BE REMOVED AND THE PLUG CUT OFF AND DISPOSED OF SAFELY.

THERE IS A DANGER OF SEVERE ELECTRICAL SHOCK IF THE CUT OFF PLUG IS INSERTED INTO ANY 13-AMPERE SOCKET.

If a new plug is to be fitted please observe the wiring code as shown below.

If in any doubt please consult a qualified electrician.

IMPORTANT

The wires in this mains lead are coloured in accordance with the following code:

Blue: Neutral

Brown: Live

As the colours of the wires in the mains lead of this appliance may not correspond with the coloured markings Identifying the terminals in your plug, proceed as follows:

The wire which is coloured BLUE must be connected to the terminal in the plug which is marked with the letter N or coloured BLACK.

The wire which is coloured BROWN must be connected to the terminal in the plug which is marked with the letter L or coloured RED.

Under no circumstances should either of these wires be connected to the earth terminal of the three pin plug, marked with the letter E or the Earth Symbol

Before use

Remove the connector cover as follows.

How to replace the fuse

1. Remove the fuse cover with a screwdriver.

1. Replace the fuse and attach the fuse cover.

Suggestions for safety

Placement

Avoid placing the unit in areas of:

- direct sunlight

• high temperature

- high humidity

- excessive vibration

- uneven surfaces (Place the unit on a flat level surface.)

Such conditions might damage the cabinet and/or other component parts and thereby shorten the unit's service life.

Ventilation

• Place the unit in a well-ventilated position at least 10 cm away from wall surfaces etc.
• Ensure that curtains and similar materials do not obstruct the ventilation holes.

Stacking

Never place heavy items on top of the unit or the power cord.

Voltage

• It is very dangerous to use an AC power source of high voltage such as for an air conditioner.
  A fire might be caused by such a connection.
• A DC power source can not be used.
  Be sure to check the power source carefully, especially on a ship or other place where DC is used.

Power cord protection

• Avoid cuts, scratches or poor connection of the AC mains cord, as this may result in fire or electric shock hazard. Excessive bending, pulling or slicing of the cord should also be avoided.
• Do not pull on the cord when you are disconnecting the power, as this could cause an electric shock. Grasp the plug firmly when you disconnect the power supply.
• Never touch the plug with wet hands or a serious electric shock could result.

Foreign materials

• Ensure that no foreign objects, such as needles, coins, screw-drivers etc., accidentally fall into the unit or through the ventilation holes.
  Otherwise, a serious electric shock or malfunction could occur.
• Be extremely careful about spilling water or liquid on/into the unit, as a fire or electric shock could occur. (Disconnect the power plug and contact your dealer immediately if this occurs.)
• Avoid spraying insecticides onto the unit as they contain flammable gases which can be ignited.
• In secticides, alcohol, paint thinner and similar chemicals should never be used to clean the unit as they can cause flaking or cloudiness to the cabinet finish.

Maintenance

Clean the cabinet, panel and controls with a soft cloth lightly moistened with mild detergent solution.

Do not use any type of abrasive pad, scouring powder or solvent such as alcohol or benzine.

Service

• Never attempt to repair, disassemble or reconstruct the unit if there seems to be a problem.
  A serious electric shock could result if you ignore this precautionary measure.
• If a problem occurs during operation (the sound is interrupted, indicators fail to illuminate, smoke is detected, etc.) contact your dealer or Authorized Service Center immediately.
• Disconnect the power supply if the unit will not be used for a long time. Otherwise the operation life could be shortened.

CAUTION

Do not place a tape deck or CD player on top of the power amplifier.

Heat radiated from the top of this unit may cause damage to the tape or CD software. Because doing so might also cover the ventilation holes, do not place anything on top of this unit apart from the control amplifier for this system.

SU-A900D system

SU-A800D system

Control amplifier

No.	Name	Ref. page
1	Power “STANDBY ∅ /ON” switch(POWER, STANDBY ∅ /ON)Press to switch the unit from on to standby mode or vice versa.In standby mode, the unit is still consuming a small amount of power.It the power amplifier is turned on while the control amplifier is on, this switch can then be used to turn both amplifiers on or to standby mode simultaneously.	9
2	Input selector/indicators (SELECTOR)	9
3	Remote control signal sensor (SENSOR)	8
4	“STANDBY” Indicator (STANDBY)When the unit is connected to the AC mains supply, this indicator lights up in standby mode and goes out when the unit is turned on.	-
5	Tape-monitor button/indicators(TAPE MONITOR)	9,11
6	“VIRTUAL BATTERY OPERATION” IndicatorThis will illuminate to Indicate that the virtual battery (a circuit which removes the noise contained in the power supply while playing a sound input source) is functioning.	-
7	Muting indicator (MUTING)	10
8	Tone control button (TONE)	10
9	Tone controls (BASS, TREBLE)	10
10	Volume control (VOLUME)	9
11	Balance control (BALANCE)	10

Power amplifier

No.	Name	Ref. page
12	Power "STANDBY/ON" switch(POWER, STANDBY /ON)Press to switch the unit from on to standby mode or vice versa.In standby mode, the unit is still consuming a small amount of power.NoteThis switch will not operate when the control amplifier is in standby mode.	9
13	"STANDBY" Indicator (STANDBY)When the unit is connected to the AC mains supply, this indicator lights up in standby mode and goes out when the unit is turned on.	-
14	Operation indicator (OPERATION)This indicator illuminates when the power amplifier is in the normal operating condition.If the (+) and (-) wires of the speaker cables are shorted, or if a circuit abnormality such as DC voltage in the power output to the speakers is detected, the protection circuit will operate and the "OPERATION" indicator will turn off.	-
15	Headphones jack (PHONES)	10
16	Power meters SU-A900D system onlyIndicate the output (watts) of this unit.When speakers having an impedance of 8 Ω are connected, the output level will be as indicated. However, if the speaker Impedance is 16 Ω, the output level will be one-half the Indicated value, and if the impedance is 4 Ω, the output level will be double the indicated value.Actual meter × 8 (Ω)output indication impedance of the speakers (Ω)
17	Speaker select buttons/indicators(SPEAKERS)	9,10

Connections

Connecting the audio components

Make sure that the power supply for all components has been turned off before making any connections.

⑧ Stereo connection cable (included)
⑥ Amplifier connection cable (included)
© Ground wire (not included)
⑥ Stereo connection cables (not included)

Control amplifier
Power amplifier

Turntable (not included)

graph TD
    A["GND"] --> B["OUTPUT"]
    B --> C["PRONO"]
    C --> D["TUNER"]
    D --> E["CD"]
    E --> F["AUX"]
    F --> G["TAPE 2/DCC"]
    G --> H["RECO"]
    H --> I["PLAY (OUT)"]
    I --> J["TO BE-ABOOS OR BE-ABOOS"]
    J --> K["SECOND CD player, etc. (not included)"]
    K --> L["OUTPUT"]
    L --> M["CD player (or CD changer) (not included)"]
    M --> N["OUTPUT"]
    N --> O["SECOND CD player, etc. (not included)"]

Tape deck 2 or Digital compact cassette deck (DCC) (not included)

Tape deck 1 (not included)

graph TD
    A["Tuner (not included)"] -->|OUTPUT| B["CD player (or CD changer) (not included)"]
    B -->|OUTPUT| C["Second CD player, etc. (not included)"]

If connecting a graphic equalizer Connect it between the PRE OUT terminals of the control amplifier and the INPUT terminals of the power amplifier.

graph TD
    A["Control amplifier"] --> B["PRE OUT"]
    B --> C["Graphic equalizer (not included)"]
    C --> D["OUTPUT"]
    D --> E["Power amplifier"]
    E --> F["INPUT"]

Connecting the speakers

graph TD
    A["Right speaker (not included)"] --> B["Power amplifier"]
    B --> C["Speaker cables (not included)"]
    C --> D["Left speaker (not included)"]
    style A fill:#f9f,stroke:#333
    style B fill:#ccf,stroke:#333
    style C fill:#cfc,stroke:#333
    style D fill:#fcc,stroke:#333

The speaker wires which are connected to the positive (+) terminals of the amplifier should be connected to the positive (+) terminals of the speakers. The negative (−) terminals should be connected in a similar way.

"B" terminals

For connection to a second pair of speakers.

Connecting the power supply

(United Kingdom only) BE SURE TO READ THE CAUTION FOR THE AC MAINS LEAD ON PAGE 3 BEFORE MAKING THE FOLLOWING CONNECTION.

Connect the power supply only after all other connections have been made.

Note The configuration of the AC inlet, AC outlet and AC power supply cord differs according to area.

(United Kingdom only)

Insertion of Connector

Even when the connector is perfectly inserted, depending on the type of inlet used, the front part of the connector may jut out as shown in the drawing.

However there is no problem using the unit.

Speaker impedance

• When only the "A" or only the "B" terminals are used: 4–16 Ω
• When both the "A" and the "B" terminals are used simultaneously: 8–16 Ω

Cooling fan

The cooling fan operates at high power output levels only.

Concerning the remote control

The remote control transmitter can be used to operate other units manufactured by Technics in addition to this system, including CD players (or CD changers), tuners, cassette decks and DCC (digital compact cassette decks) which are equipped with a remote control sensor.

For details on how to do this, refer to the operating instructions for the respective component.

Battery installation

1

Diagram of a car interior showing a handle and vent with arrows indicating direction (no text or symbols)

2

Diagram of a car interior with battery pack and wheels, showing no text or symbols

3

Diagram of a car interior showing a vehicle's head and dashboard with a dotted pattern on the dashboard (no text or symbols)

Battery life

Battery life is about one year.

The batteries should be replaced if the system fails to respond to commands from the remote control transmitter even when held close to the remote control signal sensor.

When you need to replace these batteries

Use two UM-4 "AAA", IEC R03 (1.5 V) or equivalent batteries.

Correct method of use

Remote control signal sensor

• Aim the remote control's transmission window toward the unit's sensor. Avoid any obstacles.
• Be sure the transmission window and the unit's sensor are free from dust. Excessive dust might affect performance.
• Do not expose the remote control signal sensor to direct sunlight or to the bright light of an inverter fluorescent light.

When operating a Technics audio equipment, face this remote control toward the remote control sensor of the unit to be operated.

1 Open the cover.
Slide the cover in the direction of the arrow until it comes off completely.
2 Insert the batteries in the correct direction (, ) .
3 Close the cover.

Use of batteries

• Do not mix old and new batteries, or batteries of different types (carbon and alkaline, etc.).
• Never subject batteries to excessive heat or flame; do not attempt to disassemble them; and be sure they are not short-circuited.
• If you will not use the remote control for a long period of time, remove the batteries and store them in a cool, dark place.
• Do not attempt to recharge alkaline or carbon batteries.

Before operation, set VOLUME to the "MIN" position.

Press POWER of the control amplifier.

Press POWER of the power amplifier.

The "OPERATION" indicator will illuminate after approximately 4 seconds.

Once the power amplifier has been turned on, both amplifiers can then be turned on or to standby mode using POWER on the control amplifier.

Press TAPE MONITOR so that the "SOURCE" Indicator Illuminates.

Each time the button is pressed, the indication will change as follows.

TAPE 1 → TAPE 2/DCC → SOURCE

Press A and/or B to select the speaker system(s) to be used.

The corresponding indicator(s) will illuminate.

SELECTOR

Turn SELECTOR to select the desired source.

The indicator which corresponds to the selected input source will illuminate.

TAPE 1: Tape deck 1

TAPE 2/DCC: Tape deck 2 or DCC

AUX: Component connected to the AUX terminals

CD: CD player (or CD changer)

TUNER: Tuner

PHONO: Turntable

Start the desired source.

(Refer to the appropriate operating instructions for details.)

Turn VOLUME to adjust the volume level.

After listening is finished

Be sure to reduce the volume level, and turn off the units by pressing POWER of the control amplifier.

To adjust the tone quality

① Press TONE in to the "— ON" position.
② Turn BASS to adjust the low-frequency sound. Turn TREBLE to adjust the high-frequency sound.

If listening without adjusting the tone quality, press TONE so that it is at the "■. DEFEAT" position.

To mute the sound level

Press MUTING on the remote control transmitter. (The "MUTING" indicator on the amplifier will illuminate.)
Press once again to return to the previous volume level. (The "MUT-ING" indicator will turn off.)

To adjust the sound balance

Turn BALANCE to adjust the left/right sound balance.

To listen through headphones

Use VOLUME to reduce the volume level, and connect the headphones. If sound from speakers is not wanted, press SPEAKERS (A) and/or (B) to turn off the speaker indicators.
Note Avoid listening for prolonged periods of time to prevent hearing damage.

It is possible to record from units which are connected to the rear "AUX", "CD", "TUNER" or "PHONO" terminals to cassette tape decks or DCC decks which are connected to the "TAPE 1" or "TAPE 2/DCC" terminals.

Press TAPE MONITOR so that the "SOURCE" indicator illuminates.

Turn SELECTOR to select the desired source to be recorded.

TAPE: TAPE 20CC

AUX

CD

TUNER

PHONO

AUX: Component connected to the AUX terminals

CD: CD player (or CD changer) TUNER: Tuner

PHONO: Turntable

Prepare the tape deck for recording.

Refer to the operating instructions for the tape deck for detailed adjustment of the recording level, etc.

Start the tape deck for recording, and play the source.

Recording from tape to tape

It is possible to record from tape deck 1 to tape deck 2 (or DCC) and vice versa.

To record from tape deck 1 to 2

1. Press TAPE MONITOR so that the "SOURCE" indicator illuminates.
2. Turn SELECTOR so that the "TAPE 1" indicator illuminates.
3. Begin tape deck 2 for recording and tape deck 1 for playback.

To record from tape deck 2 to 1

1. Press TAPE MONITOR so that the "SOURCE" indicator illuminates.

2. Turn SELECTOR so that the "TAPE 2/DCC" indicator illuminates.

3. Begin tape deck 1 for recording and tape deck 2 for playback.

To check the sound recorded while recording is being made

If a cassette tape deck with 3 heads is connected to the "TAPE 1" or "TAPE 2/DCC" terminals, it is possible to check the sound being recorded onto the tape.

Press TAPE MONITOR to select the deck (tape deck 1 or 2) and set the monitor switch on the tape deck to "TAPE".

TAPE 1: when recording on tape deck 1

TAPE 2/DCC: when recording on tape deck 2

Note

Be sure to switch the illuminated tape monitor indicator back to "SOURCE" once you have finished monitoring the sound being recorded.

Remote control operation

To operate the amplifiers

Facing toward the control	To turn the units ON/OFF	POWERThe power amplifier and control amplifier will turn on and off simultaneously.
	To change the input source	TAPE 1 TAPE 2 CD TUNER if either TAPE 2 or DCC is pressed, only the "TAPE 2/DCC" input indicator will illuminate in both cases.
	To adjust the volume level	VOLUME+
	To mute the sound level	MUTING
	If your unit is equipped with the Technics Remote Control System
	To turn the system OFF.	Facing toward the systemAUDIO(This may not be possible with some models.)

To operate a cassette deck

Facing toward the cassette de	To switch the remote control transmitter to cassette deck operation mode	TAPE 1 or TAPE 2Press the button which corresponds to the cassette deck being used (TAPE 1 or TAPE 2). Be sure to press one of these buttons before operating the cassette deck.The power supply of the cassette deck can be turned on by pressing TAPE 1 or TAPE 2 for approximately 2 seconds. (This may not be possible with some models.)
	[Double cassette deck only]Switch to "DECK 1" or "DECK 2".	DECK-2
	To start play	(Reverse) (Forward)
	To fast-forward or rewind the tape	With this Technics cassette deck, the "TPS" function can be used to move to the beginning of a track during playback.
	To stop play temporarily	Press◀/◀▶ or ▶ to resume play.
	To stop play

To operate a CD player (or CD changer)

Facing toward the CD player	To switch the remote control transmitter to CD operation mode	Be sure to press this button before operating the CD player or CD changer.The power supply of the CD player or CD changer can be turned on by pressing this button for approximately 2 seconds. (This may not be possible with some models.)
	To start play
	[CD changer only]To start play from the desired disc.
	To start play from the desired track
	To skip a track
	To search for the desired place
	To stop play temporarily
	To stop play

To operate a tuner

Facing toward the tuner	To switch the remote control transmitter to tuner operation mode	TUNER Be sure to press this button before operating the tuner.The power supply of the tuner can be turned on by pressing this button for approximately 2 seconds. (This may not be possible with some models.)
	To select the desired channel sequentially
	To select the desired channel directly
	To select the desired band

To operate a DCC (Digital compact cassette deck)

Facing toward the DCC	To switch the remote control transmitter to DCC operation mode	DCC Be sure to press this button before operating the DCC.The power supply of the DCC can be turned on by pressing this button for approximately 2 seconds. (This may not be possible with some models.)
	To start play
	To select by track number	(Example: Track 1)(Example: Track 10)
	To change the tape side
	To fast-forward or rewind the tape	(Backward) (Forward)
	To skip a track	(Backward) (Forward)
	To stop play temporarily	Press to resume play.
	To stop play

Note
The Technics RS-DC10 DCC cannot be operated using this remote control transmitter.

SU-C800U

Total harmonic distortion VOL. Max. 20 Hz-20 kHz

0.01%

input sensibility/Impedance
PHONO	2.5 mV/47 kΩ
TUNER, CD, AUX, TAPE 1, TAPE 2/DCG	200 mV/27 kΩ

Phono maximum input voltage(1 kHz, RMS)		150 mV
S/N
PHONO	76 dB (77 dB, IHF '66)
TUNER, CD, AUX, TAPE 1, TAPE 2/DCC
	90 dB (97 dB, IHF '66)

Frequency response
PHONO	RIAA standard curve ±1 dB(30 Hz-15 kHz)
TUNER, CD, AUX, TAPE 1, TAPE 2/DCC
	3 Hz-80 kHz (+0,-3 dB)+0 dB,-0.3 dB (20 Hz-20 kHz)

Tone controls
BASS	50 Hz, +10 dB to -10 dB
TREBLE	20 kHz, +10 dB to -10 dB

Output voltage
TAPE 1, TAPE 2/DCC REC OUT	200 mV
PRE OUT	1 V

Channel balance (AUX, 250 Hz–6.3 kHz)
	±1 dB
Channel separation (AUX, 1 kHz)	50 dB

GENERAL
Dimensions (W×H×D)
	430×69.3×307 mm
Weight —	2.7 kg

SE-A900S

20 Hz-20 kHz continuous power outputboth channels driven

2×70 W (8 Ω)

1 kHz continuous power outputboth channels driven (THD: 1%)

2×85 W (8 Ω)

2×120 W (4 Ω)

63 Hz-12.5 kHz continuous power outputboth channels driven (THD: 0.7%)

2×80 W (8 Ω)

2×105 W (4 Ω)

Total harmonic distortionrated power at 20 Hz–20 kHz

0.01% (8 Ω)

Intermodulation distortion(50 Hz: 7 kHz=4:1, SMPTE)	0.007% (8 Ω)
Residual hum and noise	0.3 mV
Damping factor	70 (8 Ω)
	35 (4 Ω)

Headphones output level/impedance

540 mV/330 Ω

Load impedance

A or B	4 Ω-16 Ω
A and B	8 Ω-16 Ω
Input sensitivity/Impedance	1 V/33 kΩ
S/N (rated power, 4 Ω)
95 dB (110 dB, IHF '66)

Frequency response

5 Hz-70 kHz (+0, -3 dB)

+0 dB, -0.5 dB (20 Hz-20 kHz)

GENERAL
Power consumption	285 W
Power supply
	AC 50 Hz/60 Hz, 230 V-240 V

Dimensions (W×H×D)
	430×136×344 mm
Weight	9.8 kg

SE-A800S

20 Hz-20 kHz continuous power outputboth channels driven

2×55 W (8 Ω)

1 kHz continuous power outputboth channels driven (THD: 1%)

2×70 W (8 Ω)

2×100 W (4 Ω)

63 Hz-12.5 kHz continuous power outputboth channels driven (THD: 0.7%)

2×65 W (8 Ω)

2×85 W (4 Ω)

Total harmonic distortionrated power at 20 Hz-20 kHz

0.01% (8 Ω)

Intermodulation distortion(50 Hz: 7 kHz=4:1, SMPTE)	0.007% (8 Ω)
Residual hum and noise	0.3 mV
Damping factor	70 (8 Ω)
	35 (4 Ω)

Headphones output level/impedance

540 mV/330 Ω

Load impedance
A or B	4 Ω-16 Ω
A and B	8 Ω-16 Ω
Input sensitivity/impedance	1 V/33 kΩ
S/N (rated power, 4 Ω)
95 dB (110 dB, IHF '66)

Frequency response

5 Hz-70 kHz (+0, -3 dB)

+0 dB, -0.5 dB (20 Hz-20 kHz)

GENERAL
Power consumption	230 W
Power supply
	AC 50 Hz/60 Hz, 230 V-240 V

Dimensions (W×H×D)
	430×136×348 mm
Weight	8.7 kg

Notes:

1. Specifications are subject to change without notice. Weight and dimensions are approximate.
2. Total harmonic distortion is measured by the digital spectrum analyzer.

Troubleshooting guide

Before requesting service for this unit, check the chart below for a possible cause of the problem you are experiencing. Some simple checks or a minor adjustment on your part may eliminate the problem and restore proper operation.

:495

If you are in doubt about some of the check points, or if the remedies indicated in the chart do not solve the problem, refer to the directory of Authorized Service Centers (enclosed with this unit) to locate a convenient service center. or consult your Technics dealer for instructions.

Problem

Probable cause(s)

Suggested remedy

Problems noted at all times

No sound is heard when the power is switched ON.	The power cord plug is not completely inserted.	· Confirm that the power cord plug is connected completely.
	Connections to the speakers, etc. are incomplete or incorrect	· Check to be sure that all connection wires are correctly connected.
	The input selector setting is incorrect.	· Check to be sure that the selection of the desired sound source is made correctly.
	The speaker selector is set incorrectly.	· Set it to the correct position.
	The tape monitor function is on.	· Press TAPE MONITOR so that the "SOURCE" indicator illuminates.
When listening to stereo sound, the sound lacks depth (i.e. thin bass, tinny sound).	One of the speakers is connected out of phase [(+)→(-), (-)→(+)].	· Reconnect the speakers maintaining proper polarity [i.e., (+)·-(+), (-)→(-)].
When listening to stereo sound, the left and right sounds are reversed.	The left and right speaker connections, source connections, or graphic equalizer connections are reversed.	· Check all connections and correct them if necessary.
A low-plied noise ("hum" or "buzz") is heard.	The power cord or a fluorescent light, etc., is near the connection wires.	· Try separating this unit as far as possible from the electric appliance.
Sound is not heard from one of the speakers.	The speaker wires are disconnected.	· Check and correct the connections of the speaker wires.
	The balance control is set too far to one side.	· Set so that sounds are heard at the center, between the speakers.
Sound stops during a performance, or no sound is heard when the power is switched ON.	The protection circuitry has functioned because the positive and negative speaker connection wires are "shorted", speakers with an impedance less than the indicated rated impedance of the amplifier are used, or DC voltage appears in the output, causing the protection circuitry to function.	· Turn the unit OFF, and, after determining and correcting the cause, turn the unit ON once again.· Use the speakers of the proper impedance rating.

While using the remote control transmitter

The remote control transmitter does not function.	Batteries are incorrectly placed.	• Insert the batteries so that the positive (+) and negative (-) polarities are correct.
	The remote control transmitter batteries are drained.	• Replace them with new batteries.
	There is an obstruction between the remote control transmitter and this unit.	• Remove the obstruction.
	The remote control transmitter is not correctly facing this unit.	• Face the remote control transmitter correctly toward this unit.