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7

En

Troubleshooting

The unit does not turn on

No sound is output

Low sound output

Hum noise

Specifications

Specifications and appearance are subject to change 
without prior notice.

The power plug is not fully inserted.

Insert the power plug fully into the power outlet.

The 

OUTPUT LEVEL

 knob is set to the 

MIN

 level.

Set the 

OUTPUT LEVEL

 knob properly.

Pin connector cable is not properly connected to the 

LINE INPUT

 jack.

The speaker setting at the amplifier (or receiver) is 
incorrect.

Check the settings at the amplifier (or receiver).

The input signal is so small that the unit entered 
Standby mode.

Slightly increase the output level at the amplifier 

(or receiver). 

If the 

Standby/On

 indicator lights up (both red and 

blue LEDs) several seconds or minutes after the 
sound output stopped, this means that the amp 
protection circuit has been activated. In this case, set 
the 

OUTPUT LEVEL

 knob to the center position, 

and disconnect the power cord from the AC outlet. 
Wait at least 10 seconds, and then reconnect the 
power cord. If that doesn’t solve the issue, contact 
your Onkyo dealer.

The sound source might not include a superbass 
range.

Play a sound source that includes a superbass 

range.

Pin connector plug is not inserted completely.

Fully insert the pin connector plug.

External leakage flux (induction noise by TV, etc.) 
occurs.

Relocate the SKW-770 away from the noise 

source and re-connect.

Type

Bass-Reflex

Input sensitivity/impedance

550 mV/20 k

Frequency response

25 Hz to 150 Hz

Rated output power (IEC)

120 watts minimum continuos power, 
4 ohms, driven at 100 Hz with a maximum 
total harmonic distortion of 1 %

Cabinet capacity

37 L

Drivers unit

25 cm Cone woofer

Power supply

AC 220 - 240 V, 50/60 Hz

Power consumption

137 W

Dimensions (W × H × D)

275 mm × 507 mm × 411 mm
(incl. grille and projection)

Weight

11.6 kg

Accessory

Power cord (2 pcs.)
Pin connector cable (1 pc.)
Instruction manual (this manual)
Floor pad (4 pcs.)

Others

Auto Standby function
Non-magnetic shielding

Summary of Contents for SKW-770

Page 1: ...nstructions in this manual will enable you to obtain optimum performance and listening enjoyment from your new powered subwoofer Please retain this manual for future reference Contents Important Safet...

Page 2: ...aratus does not operate normally by following the operating instructions Adjust only those controls that are covered by the operating instructions as an improper adjustment of other controls may resul...

Page 3: ...er cabinet is made out of wood and is therefore sensitive to extreme temperatures and humidity do not put it in locations subject to direct sunlight or in humid places such as near an air conditioner...

Page 4: ...andby mode even when an input signal is present the input signal level is too low In this case increase the subwoofer output level on the amplifier or AV receiver connected to the SKW 770 REAR PANEL b...

Page 5: ...on the subwoofer may cause a momentary power surge that might interfere with other electrical equipment on the same circuit If this is a problem plug the subwoofer into a different branch circuit Do n...

Page 6: ...it off slightly Note Be careful not to allow the input of excessive power Input levels that greatly exceed normal situations can damage the SKW 770 Also note that switching operations at the amplifier...

Page 7: ...EVEL knob to the center position and disconnect the power cord from the AC outlet Wait at least 10 seconds and then reconnect the power cord If that doesn t solve the issue contact your Onkyo dealer T...

Page 8: ...0 http www us onkyo com Liegnitzerstrasse 6 82194 Groebenzell GERMANY Tel 49 8142 4401 0 Fax 49 8142 4208 213 http www eu onkyo com The Coach House 81A High Street Marlow Buckinghamshire SL7 1AB UK Te...

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