Owner's Manual
Page 1: ...Owner s Manual ...
Page 2: ...tions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reori...
Page 3: ...Service is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 15 This appliance shall not be exposed to dripping or splashing water and that no object filled with liquid such as vases shall be placed o...
Page 4: ...Direct Output and an FX Loop plus the ability to add footswitches that control features like Brite and Overdrive You ll find our LX5500 LX8500 the ideal choice for every performance situation from the studio to the stage In these pages you ll find descriptions of the many features of the LX Series bass amplifier as well as instructions for setting up and using the amplifier You ll also find a regi...
Page 5: ... lights around the knob will flash red during signal peaks 6 BRITE Switch Turns on the BRITE circuit which adds a preset EQ curve to enhance the bass instrument s high frequency response This backlit switch will light red when engaged LX8500 s footswitch option can turn this feature on lit red and off not lit 7 BASS Knob As part of a passive tone stack EQ this control is used to adjust the low fre...
Page 6: ...o use the SEND jack to route signal to a professional mixer or recording device 6 FOOTSWITCH Jacks LX8500 only Connect a two button footswitch terminating to a 1 4 TRS plug Tip DRIVE FX ring Tip BRITE ring FREQUENCY to one or both of these jacks to allow you to turn on or off OVERDRIVE FX and FREQUENCY BRITE features of the LX preamp 7 SPEAKER OUTPUT Use these outputs to connect speakers to the am...
Page 7: ... set the EQ knobs to the 12 o clock position 5 Press the Power switch on the rear panel to turn on the amplifier 6 Set the output of your bass to its maximum level Then while playing slowly turn the LX amplifier s GAIN control up until the desired level is reached If you hear distortion even at a low MASTER setting lower the GAIN control or back off the output of your bass If the problem persists ...
Page 8: ...ng the speakers or the amplifier in this way Typically amplifier speaker output jacks and speaker cabinet input jacks are parallel connections and will follow the rules described in this section When speakers are connected in parallel the impedance is reduced The formula to calculate the total impedance of your speaker system is 1 Rt 1 R1 1 R2 1 R3 1 Rn Where R is the impedance of a speaker cabine...
Page 9: ...ful when playing fast staccato passages as it will cause all the notes to sound at the same level even if the signal is above the threshold level The LX5500 LX8500 provide front panel compression lights that visually indicate when the audio signal crosses the threshold level and activates the compressor circuit When lit white no compression is being applied When the indicator lights red compressio...
Page 10: ...ze the effect of the EQ curve that best complements your particular bass instrument As the SHAPE knob is rotated clockwise the depth of the notch increases Moving the FREQUENCY control clockwise causes the notch filter to be applied to higher frequencies while moving the knob counterclockwise causes it to be applied to lower frequencies In addition to the EQ knobs the LX amps also includes a BRITE...
Page 11: ...k EQ Bass 8 14dB 80Hz relative to 12 o clock Shape 11 3dB relative to 12 o clock Frequency 200Hz 800Hz Treble 5 20dB 6kHz relative to 12 o clock FX Loop Send 200Ω impedance balanced FX Loop Return 20kΩ balanced 5 5dBu for Rated Output Power Tuner Output 100Ω unbalanced Direct Output 210Ω balanced Stereo Aux Input 3kΩ unbalanced 10dBV Headphones 80mW max 32Ω Dimensions LX8500 14 x 12 x 3 355mm x 30...
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