Instruction Manual
Page 1
KAC-X621 KAC-PS621 KAC-X521 KAC-PS521 STEREO/BRIDGEABLE POWER AMPLIFIER INSTRUCTION MANUAL © B64-2798-00/00 (MV)
KAC-X621 KAC-PS621 KAC-X521 KAC-PS521 STEREO/BRIDGEABLE POWER AMPLIFIER INSTRUCTION MANUAL © B64-2798-00/00 (MV)
Instruction Manual
Page 2
...be connected simultaneously. Cleaning the unit If the front panel gets dirty, turn off the power immediately and consult your Kenwood dealer. Using a fuse with the wrong rating may cause burns if touched. Informations When the inside the unit.... harness. terminal. To prevent battery rise When the unit is used , calculate the combined impedance of the speakers and then connect suitable speakers to the amplifier. 4Ω 4 Ω 4Ω 4Ω 4Ω 4Ω 4 Ω 4Ω 4Ω 8 Ω 4Ω 4Ω 8 Ω 4Ω 4Ω 2 Ω Combined impedance 4...
...be connected simultaneously. Cleaning the unit If the front panel gets dirty, turn off the power immediately and consult your Kenwood dealer. Using a fuse with the wrong rating may cause burns if touched. Informations When the inside the unit.... harness. terminal. To prevent battery rise When the unit is used , calculate the combined impedance of the speakers and then connect suitable speakers to the amplifier. 4Ω 4 Ω 4Ω 4Ω 4Ω 4Ω 4 Ω 4Ω 4Ω 8 Ω 4Ω 4Ω 8 Ω 4Ω 4Ω 2 Ω Combined impedance 4...
Instruction Manual
Page 3
...as the brake lamps, turn signal lamps and windshield wipers operate normally. If the unit comes off due to decrease the internal temperature. Install the amplifier in a location which it may be careful not to cause scratches or other damage. • Do not install near the dashboard, rear tray...unit in the below locations; (Unstable location, In a location that there is nothing hazardous on top of the unit. • The surface temperature of the amplifier will not come into contact with driving, In a location that gets wet, In a dusty location, In a place that gets hot, In a place ...
...as the brake lamps, turn signal lamps and windshield wipers operate normally. If the unit comes off due to decrease the internal temperature. Install the amplifier in a location which it may be careful not to cause scratches or other damage. • Do not install near the dashboard, rear tray...unit in the below locations; (Unstable location, In a location that there is nothing hazardous on top of the unit. • The surface temperature of the amplifier will not come into contact with driving, In a location that gets wet, In a dusty location, In a place that gets hot, In a place ...
Instruction Manual
Page 4
...fuse blows, check wires for shorts, then replace the fuse with one of S-video cables you cannot control all amplifiers connected to 7 Slave amplifiers. ��� �� ��� �� ��� ��... Speaker (Bridged) LX-Bus connection CENTER UNIT To KENWOOD disc changer/ External optional accessory Power control wire Control cable (option) �� �� �� Master amplifier Extension wire* ��� ��� �...
...fuse blows, check wires for shorts, then replace the fuse with one of S-video cables you cannot control all amplifiers connected to 7 Slave amplifiers. ��� �� ��� �� ��� ��... Speaker (Bridged) LX-Bus connection CENTER UNIT To KENWOOD disc changer/ External optional accessory Power control wire Control cable (option) �� �� �� Master amplifier Extension wire* ��� ��� �...
Instruction Manual
Page 5
...;� ��� ��� � 1 Fuse (KAC-X621/PS621 : 25 A × 3 , KAC-X521/PS521 : 30 A × 2) 2 Battery terminal 3 Ground terminal 4 Power control terminal Controls the unit ON/OFF. The speakers to be used . NOTE After you have changed ID numbers of amplifiers, turn Off the POWER switch of the Center Unit...
...;� ��� ��� � 1 Fuse (KAC-X621/PS621 : 25 A × 3 , KAC-X521/PS521 : 30 A × 2) 2 Battery terminal 3 Ground terminal 4 Power control terminal Controls the unit ON/OFF. The speakers to be used . NOTE After you have changed ID numbers of amplifiers, turn Off the POWER switch of the Center Unit...
Instruction Manual
Page 6
... Press the [3] button for at least 1 second. Display Demonstration The "VOLT"/"CURR"/"TEMP"/"FAN" items are switched in the Demonstration mode. Amplifier Control System �� �� ��� ��� �� � � ��...The setup items and set values are displayed. 3 Adjust the Menu item Press the [2] or [3] button. To call the Amplifier Control's values, hold down the [2] button 3 or more seconds during ID number display ("AMP"). NOTE When the internal temperature...
... Press the [3] button for at least 1 second. Display Demonstration The "VOLT"/"CURR"/"TEMP"/"FAN" items are switched in the Demonstration mode. Amplifier Control System �� �� ��� ��� �� � � ��...The setup items and set values are displayed. 3 Adjust the Menu item Press the [2] or [3] button. To call the Amplifier Control's values, hold down the [2] button 3 or more seconds during ID number display ("AMP"). NOTE When the internal temperature...
Instruction Manual
Page 7
...Select the desired set item on the Center Unit. 5 Adjust the AMP Control item You can control the sound by controlling amplifiers from the Center Unit. 1 Enter AMP Control mode Select the AMP Control mode by following the 'AMP Control' procedure ...the Center Unit. The set items and their values are selecting an item with the Amp Control, an error status of the amplifier is in 3 steps: "FAST", "SLOW" or "OFF". If the error message continues, consult to ON, low frequency response.../Q1.25/Q1.50/Q2.00 Bass Q Factor ON/OFF When the bass extend is set to the KENWOOD's dealership.
...Select the desired set item on the Center Unit. 5 Adjust the AMP Control item You can control the sound by controlling amplifiers from the Center Unit. 1 Enter AMP Control mode Select the AMP Control mode by following the 'AMP Control' procedure ...the Center Unit. The set items and their values are selecting an item with the Amp Control, an error status of the amplifier is in 3 steps: "FAST", "SLOW" or "OFF". If the error message continues, consult to ON, low frequency response.../Q1.25/Q1.50/Q2.00 Bass Q Factor ON/OFF When the bass extend is set to the KENWOOD's dealership.
Instruction Manual
Page 9
... for possible problems. PROBLEM No sound. (No sound from the Center Unit. POSSIBLE CAUSE • Input (or output) cables are connected with the Amplifier Control. Audio Section...KAC-X621 KAC-X521 RMS Power Output (+B = 14.4 V, CEA-2006) Normal (4 Ω/2ch) (1.0 % THD+N)...179 W 165 W Normal (2 Ω/2ch) (1.0 % THD+N)...305 W 254.... • Release the AMP Control mode of the Center Unit. • Always set to Noise Ratio...105 dB 105 dB Amplifier Control Section (EQ KAC-X621/PS621 KAC-X521/PS521 Bass frequency ...60 / 80 / 100 / 200 Hz 60 / 80 / 100 / 200 Hz Bass level ...-15 ...
... for possible problems. PROBLEM No sound. (No sound from the Center Unit. POSSIBLE CAUSE • Input (or output) cables are connected with the Amplifier Control. Audio Section...KAC-X621 KAC-X521 RMS Power Output (+B = 14.4 V, CEA-2006) Normal (4 Ω/2ch) (1.0 % THD+N)...179 W 165 W Normal (2 Ω/2ch) (1.0 % THD+N)...305 W 254.... • Release the AMP Control mode of the Center Unit. • Always set to Noise Ratio...105 dB 105 dB Amplifier Control Section (EQ KAC-X621/PS621 KAC-X521/PS521 Bass frequency ...60 / 80 / 100 / 200 Hz 60 / 80 / 100 / 200 Hz Bass level ...-15 ...