Jbl ps 1400 service manual
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CONTENTS BASIC SPECIFICATIONS . . . . . . . . . . . . . . . . . . . .. . . . . .. . . . . . . . . .. .. . . . . . . .. .. . . . . . . . 2 DETAILED SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . .. .. . . . . . . .. .. . . . . . . . 3 CONTROLS & CONNECTIONS. . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . .. .. . . . . . . .. .. . . . . . . 4 TROUBLESHOOTING ……………………... . . . . . . . . . . . . . . . . . . .. . . . . . .. . .. . . . . . . . . …. 5 MECHANICAL/PACKAGING PARTS LIST . . . . . .. . . . . . . . . ……... . . . . . . . . . . . .. . .. . . . … 6 PASSIVE NETWORK SCHEMATIC. . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . ………….. .7 BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . .. .. . . . . . . ... 8 PCB DRAWINGS. . . . . . . . . . . …. . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . .. .. . . . . . . ...9 ELECTRICAL PARTS LIST. . . . . . . . . . . . . . . . . . . . . .. …….. . . . . . . . .. .. . . . . . . .. .. . . . . . ..12 SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. ……………………………..16 PS1400 Powered Subwoofer General specifications Amplifier Power Output400 Watts Sensitivity (2.83V/1m)91dB Frequency Response (–6dB)28Hz to 130Hz (-3dB)30Hz to 130Hz Crossover Frequency130Hz Low-Frequency TransducerLE14H-3 14" Aquaplas™-cone woofer Dimensions (H x W x D)19" x 20" x 15" (483mm x 508mm x 381mm) Plus grille and spike feet Weight80 lb (36kg) JBL continually strives to update and improve existing products, as well as create new ones. The specifications and details in this and related JBL publications are therefore subject to change without notice.
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PS1400 SUB Amplifier Detailed Specs LINE VOLTAGEYes/NoHi/Lo LineNom.UnitNotes US 120vac/60HzYes108-132120VrmsNormal Operation EU 230vac/50-60HzYes207-264230VrmsNormal operation, MOMS required ParameterSpecificationUnitQA Test LimitsConditionsNotes Type (Class AB, D, other)Dn/aDBridge amplifier, None of the speaker outputs must be connected to GND at any time. Load Impedance (speaker)6Ohms6Rated Output Power (120VAC)250Watts240Nominal Input voltage , unit without limiter must be able to provide output power levels in the range of 350 Watts THD @ Rated Power0.3%1 THD @ 1 Watt0.1%0.3 DC Offset100mV-DC100 Damping factor>40DF23200 Watts into 6 Ohms, measured at speaker outInput Sensitivity Input Frequency60Hz LFE input1.50Vrms±2dB250 Watts into rated impedance loadNormal Mode SYSTEM INPUT1.10Vrms±2dB1 Watt output , LF level control FCWNormal Mode SYSTEM INPUT3.47Vrms±2dB1 Watt output , LF level control FCCWNormal Mode Signal to Noise SNR-No Filter86dBr70relative to rated powerNo filter 500 KHz BW AP SNR-A-Weighted95dBA80relative to rated powerA-Weighting filter SNR-unweighted95dBr80relative to rated power22k filter SNR rel. 1W-unweighted70dBr60relative to 1W Output22k filter Residual Noise Floor1mVrms2Volume @max, using RMS reading DMM/VOM (or A/P) BW=20 Khz. Residual Noise Floor1.5mVrms(max)2Volume @max, w/ A/P Swept Bandpass Measurement (Line freq.+ harmonics) (BW=20 Khz) Input Impedance Low Level input(LFE)20KOhmsn/aNominal Speaker/Hi Level Input10KOhmsn/aNominal FiltersNormal Mode LP 3rd Order -3dB PointFixed-selectableHz100 ± 2Front panel switch to Normal mode Reference level 0dB @ 60 Hz Normal mode Separated mode LP 3rd Order -3db PointFixed-selectableHz280 ± 2Front panel switch to Separated Reference level 0dB @ 60 Hz, when EQ switch in Normal mode Subsonic Filter -3dB pointFixedHz20.5 ± 2Ref level 0dB ref at 60 Hz Normal modeLimiter THD at Max. Output Powern/an/afunctional Maximum Output PowerMaximum THD as a result of limiting. Must be lower than 10% Signal Sensing (ATO) Auto-Turn-On (yes/no)YESfunctional ATO Input test frequency60Hzfunctional " ATO Level LFE Input6mVfunctional "Maximum acceptable level. ATO Level Speaker in184mVfunctional "Maximum acceptable level. ATO Turn-on time1sec.functional Amp connected and AC on, then input signal applied Auto Mute/ Turn-OFF Time15Minutes15T before muting, after signal is removedAuto turn of time (T) must be 5 > T < 15 Minutes Power on Delay time3sec.4AC Power Applied Transients/Pops ATO Transient5mV-peakn/a@ Speaker Outputs Turn-on Transient50mV-peak2V-pp@ Speaker OutputsAC Line cycled from OFF to ON Turn-off Transient50mV-peak2V-pp@ Speaker OutputsAC Line cycled from ON to OFF Efficiency70%65Nominal Line voltage 120 VAC 15Watts18@ nom. line voltage Power Cons. @ rated power425Watts462@ nom. line voltage300 Watts @ 6 Ohms nominal line voltage Protection Short Circuit Protection YESfunctional Direct short at outputAmplifier should resume operation after short circuit condition removal Thermal Protection YESfunctional@1/8 max unclipped Power at 1.06 times the input voltageTemperature rise should not exceed 35K rise for domestic version or 30K rise for European versions. PROTECTION IS SET FOR ABNORMAL OPERATING CONDITIONS DC Offset ProtectionYES-DC present at Speaker Out leads Line Fuse Rating USA-Domestic 4AmpsType-T or Slo Blo-250 V EU2AmpsType-T or Slo Blo-250 VExternal fuse with UL/SEMKO rated holder