Stereo Power Amplifier Operating Instructions Mode d'emploi Owner's Record The model and serialnumbers arelocatedon thebottom of theunit. Record theserialnumber in the space provided below. Refer to thesenumbers whenever you callupon your Sony dealerregardingthisproduct. Model No. XM-404EQX SerialNo.
Specifications AUDIO POWER SPECIFICATIONS POWER OUTPUT 40 watts per channel four channels driven total harmonic AND TOTAL HARMONIC minimum continuous from 20 Hz to 20 kHz distortion per Car Audio DISTORTION average power into 4 ohms, with no more than 0.04% Ad Hoc Committee standards.
Features •Maximum power output of 80 watts per channel (at 4 ohms). • This unit can be used as a bridging amplifier with a maximum output of 200 watts. • Direct connections can be made with the speaker outputs of your car audio if it is not equipped with the line output (High level input connection). • Low-pass filter, high-pass filter, and five band equalizer circuit are built-in.
[] [] Cut-off frequency adjustment control Sets the cut-off frequency (50-200 Hz) for the low-pass ._21 or high-pass ; ;_L;r,;;I t ....... I filters. i EQUALIZER level control You can change the setUngs of the five band (50 Hz, 200 Hz. 800 Hz. 3.2 kHz, 12.8 kHz ) equalizer. 10 i \i/i ;:_;;;I ill,i, * _ 100 _0 20 ' .... , , *lilt I _0 I_IK 2 FREQUENC Switch settings for each system configuration (Change the switch positions according to the cont-_juration.
Connections Precautions • This unit is designed for negative ground 12 V DC operation only. • Use speakers with an impedance of 2 to 8 ohms (4 to 8 ohms when used as a bridging amplifier). • Do not connect any active speakers (with buih-in amplifiers) to the speaker terminals of the unit. Doing so may damage the active speakers. • Avoid installing the unit in areas subject to: -- high temperatures such as from direct sunlight or hot air from the heater -- rain or moisture -- dust or dirt.
*Protection circuit This amplifier Is provided with a protection circuit that activates in the following eases: -- when the unit is overheated -- when a DC current Is generated -- when the speaker terminals are short circuited. The color of the POWER/PROTECTOR indicator will change frorn green to red, and the unit will shut down. If this happens, turn off the connected equipment, take out the cassette tape or disc, and determine the cause of the malfunction.
Power Connection Leads to a metal surface of the car Remote REM OUT) output* I Car audio I Fuse (30 A) +12Vcarbattery * If you have the factory original or some other car audio without a remote output on the amplifier, connect the remote input terminal (REMOTE) to the accessory power supply. Notes on the power supply • Connect the +lg Vpowec supply lead ordy after all the other leads have been connected. • Be sure to connect the ground lead of the unit securely to a metal surface of the car.
-) Pass the leads through the cap, connect the leads, then cover the terminals with the cap. Direct speaker cord connection Front Rear Left speaker Right speaker / Right speaker Car audio ] t Left speaker Black-striped cord Purple Le_ speaker Car audio Autoradio Right speaker I //,Cord Flat.head screwdriver Grly _ Black/Gray diameter : 0.3 - 1.25 mm (AWG 22 - 16) _--_ Unit : mm (in.
Input Connections, High Level Input Connection Connection El, [] or I_1) (with Speaker Rear right speaker output Front right speaker output 0 0 4m Gray Striped _ -_ f Car audio I _" O Purple Striped White Green Striped Front left speaker output Rear left speaker output Striped I Input cord (Not supplied) O1 ]e __ _e r _]_ /ihlL Line Input Connection Ill, [] or L/_JI) _IIL (with Speaker Autoradio Car audio I F LINE OUT Front _ )_ L 12 Rear | _ Connection Input cord
High Level Connection In__ut Connection k-]l) (with m Speaker Striped Striped Left speaker output Right speaker output Input cord Input cord Note Make sure that the Hght speaker output from the car audio is connected to the connector marked _REAR" on the unit. and the left to "FRONT'. Line Input ote Connection Make sure that the line output from the car audio Is connected to the jack marked "L (MONO)" on the unit.
Speaker Connections, 4-Speaker System (with Input Connection [] or r_]) For details on the settings o[ switches and controls, refer to "Location and Function of Cantrols. " IIII IIII @O00 0000 Left Right Front speakers (rain. 2 O.) Rear speakers (rain. 2 P,) Riaht 2-Speaker System (with Left Input Connection [] or []) For details on the settings of switches and controls, refer to "Location and Function of Controls."
3-Speaker System (with Input Connection [] or r_J) For details on the settings of switches and controls, refer to "Location and Function of Controls." IIII I I Left Subwoofer Full range speakers (min. 2 _) [_ (min. 4 _) Notes • In this system, the volume of the subwoofer will be controlled by the car audio fader control. • In this system, the output signals to the subwoofer are a combination of both the REAR L and R INPUTjarks or the REAR high level input connector signals.
Troubleshooting Guide The following checklist Before through going will assist in the correction the checklist below, of most problems refer to the connection which and you may encounter operating with your unit. procedures. Problem CauselSolution The POWER/PROTECTOR The fuse is blown. --_ Replace the fuse with a new one. indicator does not light up. The ground lead is not securely connected. --_ Fasten the ground lead securely to a metal surface of the car.
Circuit Diagram (Diagram is the same for both front and rear) Normal (MONO) .
Sony Corporation Printed in USA
