SA-250DSP & SA-500DSP SUBWOOFER AMPLIFIERS Owner ’s Manual
Important Safety Information The lightning flash with the arrowhead symbol within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product enclosure that may be of sufficient magnitude to constitute a risk of shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.
Introduction Congratulations on your purchase of an RBH Sound Subwoofer Amplifier! Your subwoofer amplifier is the result of many years of research and development dedicated to producing powerful, accurate bass in home audio systems. This manual contains operating procedures and specifications. We recommend you thoroughly read through the material contained in this manual before connecting your amplifier.
Subwoofer Amplifier Controls and Setup FRONT PANEL ON GREEN ON POWER DSP CONTROL RED STANDBY OFF 1. Power Switch: Turns the amplifier on or off. Amplifier must be on for the trigger or auto sense modes to operate. 2. 16 Character x 2-row Liquid Crystal Display: Shows the amplifier’s status, menus and settings and works in conjunction with the turn and push navigation controls and the remote control. 3.
Amplifier Controls and Setup (continued) 8. Voltage Selector Switch: The subwoofer amplifier can be used on 110~120V (60Hz) or 220~240V (50 Hz) line voltage. To change the operating line voltage, turn the power off using the power switch and unplug the power cord. Remove the plastic cover screws and the plastic cover over the voltage selector located on the rear of the subwoofer amplifier. Set the switch to the correct position for the line voltage in your country.
Connections Using line level inputs: NOTE: Speaker-level inputs are not used in this system. Subwoofer (4 to 16 ohms) From Pre-amp or Receiver LFE or Sub Out (pre-amp line level only) INPUT OUTPUT SUBWOOFER OUTPUT 4-8 OHMS 110~120V,FUSE T5AL/250V 220~240V,FUSE T2.
LCD Display Screens / Functions Normally, the LCD display will show the status for a number of settings as well as the volume level and a flashing output level bar display. The “normal” display is shown below. Music SUB EQ Mode Mode Volume Level Output Signal Level Auto Off Function Setting Lock Function Setting External Trigger Power Control Navigation through the function menus and settings are done via the programing navigation knob on the front of the subwoofer amplifier.
LCD Display Screens / Functions (continued) User EQ: This feature allows you to setup equalizer frequency and gain. Turn to the left to set the frequency, turn to the right to set gain . Frequencies are: 20, 25, 31, 40, 50, 63, 80, 100 or 125Hz, the gain range is -6dB to +6dB. EQ Setup � User User EQ (Setup) User EQ � 4 0 H z� Phase Control: This feature is used to adjust the subwoofer’s acoustic phase to match that of your main speakers. Values are: 0°, 45°, 90°, 135°, 180°, 225°, 270° or 315°. -3.
Control Flow Chart–SUB Mode 0,-1,-2,-3,-5,-6,-7,-8,-10,-12, -14,-16,-18,-20,-22,-24,-27, -30,-33,-36,-39,-42,-45,-48, -51,-54,-57,-60,-63,-66,-69, -72,-75,-79 Volume Normal Subsonic/ Freq. FLAT, 16, 20, 25, 31, or 40 Hz Crossover/ Freq.
Control Flow Chart–LFE Mode 0,-1,-2,-3,-5,-6,-7,-8,-10,-12, -14,-16,-18,-20,-22,-24,-27, -30,-33,-36,-39,-42,-45,-48, -51,-54,-57,-60,-63,-66,-69, -72,-75,-79 Volume Normal Subsonic/ Freq.
Remote Control Scroll up button Power on/off button Volume down button (DSP left-right when Menu button pressed) POWER UP MUTE LEFT VOL - ENTER MENU RIGHT VOL + Scroll down button Select “User” EQ setting button (sub mode only) Exit navigation mode button Mute button Volume up button (DSP left-right when Menu button pressed) Menu button DOWN USER MOVIE DYNAMIC DEFEAT MUSIC IMPACT EXIT STORE RECALL Six Preset EQ Modes Memory recall button Memory store button The remote control dupl
Specifications Model: SA-250DSP SA-500DSP Amplifier Type: High-effeciency Class D Amplifier with Toroidal Power Suppy High-effeciency Class D Amplifier with Toroidal Power Suppy Power Output: 250 Watts (RMS @ 4 Ohms) 500 Watts (RMS @ 4 Ohms) Total Harmonic Distortion (THD): <1% <1% Customized Preset Modes: Up to 4 Types Up to 4 Types Equalizer: Adjustable Built-in 10-Band (-6dB to +6dB) Adjustable Built-in 10-Band (-6dB to +6dB) Adjustable Low Pass Crossover: 40Hz to 160Hz / 1Hz Increment
Troubleshooting Situation: Solution: Probable Cause: No sound from Amplifier is not connected to the subwoofer(s). constant A/C power outlet. Make certain the amplifier is plugged into an unswitchable A/C power outlet. Subwoofer(s) is/are not connected to Make certain that subwoofer(s) is/are connected properly (refer to the the amplifier correctly. connections section of this manual). Amplifier is not receiving an audio signal from the pre-amp/receiver.
Warranty Your RBH Sound SA-250DSP/SA-500DSP subwoofer amplifier is covered by a limited warranty against defects in materials and workmanship for a period of 1 (one) year from the original date of purchase. This warranty is provided by the authorized RBH Sound dealer where the subwoofer amplifier was purchased. Warranty repair will be performed only when your purchase receipt is presented as proof of ownership and date of purchase.
