SB 300 - JBL.com

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SB 300 - CONTENTS - BASIC SPECIFICATIONS………………………..…….….……………..2 CONTROLS AND CONNECTIONS ..…………..……………………….2 BASIC TROUBLESHOOTING.…………………..……………………….8 SUBWOOFER DETAILED SPECS...….………..………….………..…10 SUBWOOFER EXPLODED VIEW……………....…… ..……… … ….12 SUBWOOFER DISASSEMBLY TIPS..………... ………….…..…….. 13 SUBWOOFER ELECTRICAL PARTS LIST….……….…..……….….14 SUBWOOFER BLOCK DIAGRAM….………………….………………16 SUBWOOFER PCB DRAWINGS…..…….………………………….…17 SUBWOOFER SCHEMATICS………………………..………..…….…21 SOUNDBAR DETAILED SPECS…..…………….…..………………...25 SOUNDBAR EXPLODED VIEW…………..……….…….……………..27 SOUNDBAR ELECTRICAL PARTS LIST..… ...……….…….……..…28 SOUNDBAR BLOCK DIAGRAM.…..….……..…………..………….…30 SOUNDBAR PCB DRAWING…..… ….……………………………..….31 SOUNDBAR SCHEMATICS…..………………………….……………..33 SOUNDBAR CROSSOVER NETWORK…..….….…….……………...35 SOUNDBAR WIRING DIAGRAM……….….…….……..……………...36 SPECIFICATIONS SYSTEM Frequency response: SB300CNTR Powered Soundbar Low-frequency transducer: High-frequency transducer: Amplifier power: Controls (Soundbar or Remote): Input Connections: Power requirement: Power consumption: Dimensions (H x W x D): Weight: SB300SUB Powered Subwoofer Low-frequency transducer: Enclosure type: Amplifier power: Frequency response: Audio controls: Input Connections: Power requirement: Power consumption: Dimensions (H x W x D): Weight: 42Hz – 20kHz (–3dB) Two 2" (51mm) cones per channel, shielded One 1" (25mm) dome per channel, shielded 30 watts per channel Input Source, Volume, surround mode Optical digital (TOSLINK) input, stereo analog (RCA-type) inputs 100V – 240V, 50Hz/60Hz, 80W 1W standby; 80W maximum 3-5/8" x 45-3/4" x 3" (92mm x 1162mm x 76mm) 5.5 lb (2.5kg) 8" (203mm) cone, down-firing Ported (down-firing) 100 watts 42Hz – 200Hz (–3dB) Level, Phase, Cutoff Frequency None; wireless from the SB300CNTR Powered Soundbar 100V – 240V, 50Hz/60Hz, 160W 1W standby; 160W maximum 19" x 14-1/4" x 14-1/4"(483mm x 362mm x 362mm) 24.5 lb (11.1kg) Occasional refinements may be made to existing products without notice but will always meet or exceed original specifications unless otherwise stated 2
SB 300 SUBWOOFER REAR-PANEL CONTROLS Status LED Power Switch Level Control Cutoff Control Phase Switch Wireless Pairing Switch Power Cord Connector Status LED: Indicates the subwoofer’s operational status: • Lights blue continuously when the subwoofer is on and linked to the soundbar. • Slowly flashes blue when the subwoofer is on and the wireless link is not established between the subwoofer and the soundbar. • Rapidly flashes blue during the wireless pairing process. • Lights amber continuously when the subwoofer is in the Standby mode. • Turns off when the subwoofer’s Power switch is in the “Off” position. Level Control: Use this control to balance the subwoofer’s volume with that of the soundbar. Turn the knob clockwise to increase the subwoofer’s volume; turn it counterclockwise to decrease the subwoofer’s volume. Cutoff Control: This knob adjusts the subwoofer’s cutoff between 40Hz and 200Hz.The higher you set the Cutoff control, the higher in frequency the subwoofer will operate and the more its bass will “overlap” that of the soundbar. This adjustment helps achieve a smooth transition of bass frequencies between the subwoofer and the soundbar for a variety of different rooms and subwoofer locations. See Subwoofer Cutoff Control, on page 7, for more information. Phase Switch: This switch determines whether the subwoofer driver’s piston-like action moves in and out in phase with the speakers in the soundbar. If the subwoofer were to play out of phase with the soundbar speakers, some of the sound waves produced by the subwoofer or soundbar could be canceled, reducing bass performance and sonic impact. This phenomenon depends in part on the relative placement of the speakers in the room. See Subwoofer Phase Switch, on page 7, for more information. Wireless Pairing Switch: Press this switch to initiate wireless pairing between the subwoofer and the soundbar. See Pairing the Units for Wireless Operation, on page 6, for more information. Power Switch: Set this switch to the “On” position to activate the subwoofer. In normal operation, this switch will be left in the “On” position. See Turning the Subwoofer On and Off, on page 6, for more information. If you will not be using the subwoofer for an extended period – for instance, if you’re going on vacation – set the Power switch to the “Off” position. Power Cord Connector: Connect the included power cord here and into an active, unswitched AC outlet. See Power Connections, on page 5, for more information. IMPORTANT: Do not connect the power cord to an AC outlet until you have made and verified all other connections. 3
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SB 300 - JBL.com

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