LBC 3253/xx Intellivox 2c Active Line Array Loudspeakers - AVW

4 | LBC 3253/xx Intellivox 2c Active Line Array LoudspeakersLBC 3253/101 Offset for acoustical mounting height on axis lowest speaker2 Cable entry3 4 x M5 threaded bushing at wall bracket positions. (can alternativelybe used instead of wall brackets)4 Drill position when wall brackets are used2k 17.6 108 129 74k 17.0 106 108 68k 19.2 99 60 6Acoustical DataFrequency 1(Hz)VerticalDI 2 (dB) Pac 3 (dB PWL ) Horizontal-6 dB (deg) 2 -6 dB (deg) 2coverage coverage125 4.1 113 360 81250 6.8 113 360 44500 10.4 111 252 231k 13.9 110 218 19

6 | LBC 3253/xx Intellivox 2c Active Line Array Loudspeakers125 Hz250 Hz120115110105100dBspl 9590858075701 10 100d (m)120115110105100dBspl 9590858075701 10 100d (m)500 Hz1 kHz120115110105100dBspl 9590858075701 10 100d (m)120115110105100dBspl 9590858075701 10 100d (m)2 kHz120115110105100dBspl 9590858075701 10 100d (m)4 kHz120115110105100dBspl 9590858075701 10 100d (m)SPL Versus distance (on axis)Notes:Settings: Elevation angle = 0 deg, Opening angle = 8 deg, Focus distance = 40 m.Simulations 100 dB SPL source level @ 1m ‘on axis’ for each octave band.SimulatedMeasuredMeasurements scaled to simulation results at d = 10 m, zc = zli = 1.7 m, see general notes [1] for measurement details.

LBC 3253/xx Intellivox 2c Active Line Array Loudspeakers | 7125 Hz250 Hz120115110105100dBspl 9590858075701 10 100d (m)120115110105100dBspl 9590858075701 10 100d (m)500 Hz1 kHz120115110105100dBspl 9590858075701 10 100d (m)120115110105100dBspl 9590858075701 10 100d (m)2 kHz120115110105100dBspl 9590858075701 10 100d (m)4 kHz120115110105100dBspl 9590858075701 10 100d (m)SPL Versus Distance (Delta-z = 0,8)Notes:Settings: Elevation angle = -1,5 deg, Opening angle = 8 deg,Focus distance = 40 m.Simulations 100 dB SPL source level @ 1m ‘on axis’ for each octave band, see general notes [2].SimulatedMeasuredMeasurements scaled to simulation results at d = 10 m, zc = 2.5 m, zli = 1.7 m see general notes [1] for measurement detailswww.boschsecurity.com

LBC 3253/xx Intellivox 2c Active Line Array Loudspeakers | 9125 Hz250 Hz3020100-10-20-303020100-10-20-3040-4040-4050-5050-5060-6060-6070-7070-7080-8080-8090-9090-90100-100100-100110-110110-110120-120120-120130-130130-130140-140140-140150160170180-150-160-170150160170180-150-160-170500 Hz1 kHz3020100-10-20-303020100-10-20-3040-4040-4050-5050-5060-6060-6070-7070-7080-8080-8090-9090-90100-100100-100110-110110-110120-120120-120130-130130-130140-140140-140150160170180-150-160-170150160170180-150-160-1702 kHz4 kHz3020100-10-20-303020100-10-20-3040-4040-4050-5050-5060-6060-6070-7070-7080-8080-8090-9090-90100-100100-100110-110110-110120-120120-120130-130130-130140-140140-140150160170180-150-160-170150160170180-150-160-1708 kHz3020100-10-20-3040-4050-5060-608070-70-8090-90100110120130-100-110-120-130140150160170180-140-150-160-170Vertical Polar DataNotes:1/1 octave averaged far-field data (r = 30 m)Angular resolution 2.5 degScale 6 dB/divPositive angles = top sideSettings:- Elevation angle = 0 deg- Opening angle = 8 deg- Focus distance = 30 mSimulations (line) and measurements (dots)Refer to general notes [3]www.boschsecurity.com

10 | LBC 3253/xx Intellivox 2c Active Line Array LoudspeakersVertical and Horizontal Beam Cross SectionsNotes:Settings: Elevation angle = -1.5 deg, Opening angle = 8 deg, Focus distance = 40 m, Reference mounting height zc = 2.5 m.Simulations 100 dB SPL source level @ 1m ‘on axis’ for each octave band, see general notes [4].Dimensions of all vertical cross sections (top) 100 m x 10 m.Dimensions of all horizontal cross sections (bottom) 100 m x 20 m.

LBC 3253/xx Intellivox 2c Active Line Array Loudspeakers | 11Technical SpecificationsAcoustical (1)Frequency range 2Single elementLF complete arrayMax SPL 3ContinuousPeakCoverageHorizontal (fixed) 4230 to 10k Hz (±3 dB)130 Hz (-3 dB)92 dB SPL A-weighed with pink noise at 30 m96 dB SPL at 30 m150 degVertical (adjustable) 5 Opening angle: 6° to 14°elevation (aiming) angle: -16° to 16°focus distance: 5 to 100 mDynamic range 6ElectricalInput 7Nominal level88 dB0 dBu (line input) and +50 dBu(100 V input)DLC threshold (1 kHz) +3 dBu, 6 dB headroom before clip (gain /volume 0 dB)TypeImpedance (balanced)DSP Module 8TypeMemoryADCsDACsSample frequencyTransformer balanced6.8 kohm (line input) and2 Mohm (100 V input)32-bit floating point32 k words SRAM, 2 x 8 kB EEPROMTwo channel, 18 bit sigma-delta convertersEight channel, 18 bit sigma-delta converters48.8 kHzSignal processing 9 • pre-delay (< 335 ms @ 32 bit float)• equalizer and compensation filtering• compressor and noise gate• volume and analog pre-gain• ambient noise level dependent gainadaptation (‘fail-safe’)• eight output filters• high resolution output channel delays(ΔT = 10.2 µs)Control unitNetwork interface typeMaximum number of units 10 126Serial full-duplex RS-485, 19.2 kbaud, opticallyisolatedInput 7Remote surveillance • general status (DSP running, signalpresent etc.)• amplifier monitoring and load monitoringschemes• external pilot tone detection(20..30 kHz, level > -22 dBV)• ambient noise microphone monitoring• frost protection• fan control for optional external fan• thermal overload protectionFailurePower amplifiersType PWM (class D)Power- internal hardware bypass circuit- failure relay (external connector, maskableconditions)8 x 40 W rms (4 ohm)Protection Thermal shutdown if T junction > 150 °CCurrent limiting output stageConnectorsGeneral type 5 mm pitch cage clamp (as WAGO series 231)Audio inputsRS-485 interfaceAmbient noise andtemperature sensor6-pin malep1 = Line +, p2 = Line -, p3 = GNDp4 = 100V +, p5 = 100V -, p6 = GND5-pin malep1 = A, p2 = B, p3 = Z, p4 = Y,p5 = DGND5-pin femalep1 = MIC, p2 = AGND, p3 = NTC,p4 = AGND, p5 = GNDFailure detect and fan control 5-pin femalefailure relay: p1 = COM, p2 = NO,p3 = NCoptional fan: p4 = -, p5 = +24 VMainsPSUMains voltage (+5/-10%) 11Mains fuse(s)Power consumption 12Power factorMax mainsinrush currentProtectionMechanical3-pin IEC230 or 115 V1 x 6.3 A (slow type)58 VA (idle) / 450 VA (full load)0.55 (idle) / 0.60 (full load)25 A short-time peak (@ 230 V)thermal protectionoutput current limitingunder-voltage lock outDimensions (H x W x D) 14WeightDefault colorTransducers2800 x 134 x 92 mm33 kgSilver16 x 4” full rangewww.boschsecurity.com

12 | LBC 3253/xx Intellivox 2c Active Line Array LoudspeakersEnvironmentalOperating temperature 13Storage temperatureRelative humidity approx. 5 m).7. For this measurement the signals at all power amplifieroutputs are summed together. Measured as the A-weighed difference (in dB) between the maximum rmslevel (with pink noise input signal) and the noise output(with no input signal present).8. Specs valid for default type 3 input board, 0 dBu = 0.775V rms . Dual-line input available as an option.9. “Dual lobe’ and ‘Extended pre-delay’ (up to 2684 ms)available as a DSP software / hardware option.10. Maximum number that can be connected to one RS-485subnet, multiple subnets can be controlled by one hostPC.11. Mains voltage can be selected on the IEC inlet,accessible from the outside of the unit.12. Defined as the rms mains current multiplied by the rmsmains voltage under normal operating conditions. ’Fullload’ figures are maximum values measured with apulsating pink noise input signal.13. With frost protection and installed ambienttemperature sensor. Outdoor versions available uponrequest. Without frost protection, lower limit: 0 °C.14. Depth of enclosure only (including heatsink), withoutmounting brackets.Ordering InformationLBC 3253/00 Intellivox 2c Active Line ArrayLoudspeaker, Amplifier at BottomActive Line Array Loudspeaker, Amplifier atBottomLBC 3253/10 Intellivox 2c Active Line ArrayLoudspeaker, Amplifier at TopActive Line Array Loudspeaker, Amplifier atTopLBC 3253/11 Intellivox 2c Active Line ArrayLoudspeaker, Amplifier at Top, OutdoorversionActive Line Array Loudspeaker, Amplifier atTop, Outdoor versionAccessoriesLBC 3260/00 WinControl SoftwareA 32 bit Windows-compatible program for configuring,testing and monitoring Intellivox.LBC 3261/00 Intellivox Dual Lobe SoftwareDual Lobe SoftwareLBC 3262/00 Ambient Microphone andTemperature SensorAmbient Microphone and Temperature SensorLBC 3270/00 Wall Mounting Bracket 90°Bracket 90°LBC 3271/00 Wall Mounting Bracket 45°Bracket 45°LBC3253/00LBC3253/10LBC3253/11LBC3260/00LBC3261/00LBC3262/00LBC3270/00LBC3271/00Americas:Bosch Security Systems, Inc.Communications Systems12000 Portland Avenue, SouthBurnsville, Minnesota 55337, USAPhone: +1-800-392-3497Fax: +1-800-955-6831audiosupport@US.bosch.comwww.boschcommunications.usEurope, Middle East, Africa:Bosch Security Systems B.V.P.O. Box 800025600 JB Eindhoven, The NetherlandsPhone: + 31 40 2577 284Fax: +31 40 2577 330emea.securitysystems@bosch.comwww.boschsecurity.comAsia-Pacific:Robert Bosch (SEA) Pte Ltd11 Bishan Street 21Singapore 573943Phone: +65 6258 5511Fax: +65 6319 3499apr.securitysystems@bosch.comwww.boschsecurity.comRepresented by© Bosch Security Systems Inc. 2009 | Data subject to change without noticeT2345731467 | Cur: en-US, V13, 22 Oct 2009