YORKVILLE BassMaster XS400 Owner's Manual

Also see for BassMaster XS400: Service manual

Contents

YORKVILLE BassMaster XS400 Owner's Manual Manual pdf 7 page image

Note: when the mute switch is engaged, a signal will NOT be sent to the mixing console through theXLR output. Again, a very handy feature when onstage and the unpleasant sound of tuning is notsomething you wish the audience to hear amplified through the sound system.Selectable Limiter, In and OutIn order to prevent hard clipping of the power amplifier, a selectable limiter is provided.Master Volume ControlThe master volume control allows you to adjust the overall signal level of the amplifier.Rear PanelXLR Balanced Line Out JackLocated at the rear, this jack is used to connect directly to a mixing console, live or in the studio.There are two lineout modes, Tube DI and Line, which are selectable via the mode switch on thefront panel. This allows you to select either a pre EQ (Tube DI) or post EQ/EFX (Line) signal.Effects Send ¼-inch JackThe signal from this balanced jack is post-EQ. The signal from this output is provided to allowexternal Effects units to be used with this amplifier. This output can also used as an additional lineout to another power amplifier.Effects return ¼-inch JackThis balanced jack is used to return the audio signal that's been processed by external effects unitsback into the XS400. Once connected, adjust the amount of wet (processed) signal returning tothe XS400 with the Effects control located on the front panel. This input can also be used for otherexternal signals that you might want to mix in such as pre-recorded audio.Amp input ¼-inch JackConnect an external source directly to the XS400's power amplifier, bypassing the tube-preampcompletely. The Master control will then control the overall output level.Output Jacks ¼-inchThese jacks are used to connect extension speaker cabinets, keep in mind that the Minimumimpedance is 4 ohms.NOTE: all output connectors are connected in parallel.Output Speakon™ JackSome high power Bass speaker extension cabinets use Speakon™ connectors. A Speakon™ out-put jack has also been provided to connect to similarly configured extension speaker enclosures.Tweeter Auto-MuteEngage the switch when you want to enable the tweeterwhile in the overdrive mode. In bypass mode, normal oper-ation of the tweeter is defeated by the Auto-Mute circuitry.Tip: If you wish to disable the tweeter in the Normal (clean)mode, simply use the Drive mode, turn the Drive Mix controlto the dry setting (and make sure that the "Tweeter Auto-Mute" (on the rear of the unit) is set in the OUT position.Preamp Tube ReplacementUse only Yorkville Sound part number “12AX7SORTED”when replacing preamplifier tubes as they have beenspecifically selected for this product. Please refer to theService Manual for more information.SPEAKER OUTPUTSMin 4 ohmsLineOutAmpInEFXSendEFXRtnTweeterAuto-MuteSPEAKON™ PinConfigurationDESIGNED & MANUFACTURED BYYORKVILLE SOUND • TORONTO, CANADA1+1–activedisabledL neOutTweeterAuto-MuteactivedisabledL neOutTweeterAuto-Muteactivedisabled