BSS Audio FDS 360 Instrukcja Użytkownika

1FDS 360User Manual

10Getting to know the FDS-36011.211.411.511.8Fig 6.1 Front PanelFig 6.2 Rear PanelFUSE5x20mm240.5 1ONOFFWA.5 1ONOFFWA10.08.011.1

1111.311.6All numbers in bubbles refer to Section numbers..51248dBONOFFWAT S5 60 B4H.51248dBONOFFWATS560B4H.51248dBONOFFWAT S5 60 B4H.51248dBONOFFWATS

127.0 Mechanical InstallationA vertical rack space of 1U (1¾" / 10½mm) deep is required. Ventilation gapsare unnecessary (See Figure 7.1).If the

13Connecting to Power8.0 Mains Power ConnectionVoltage: The FDS-360 operates on supply voltages between 95 and 125V AC.It must not be plugged into 220

14Input Connections9.0 Input ConnectionsThe two input signals are 10k ohm active balanced on a standard 3 pin'female' XLR which will accept

15Output ConnectionsTechnicians note: As with a traditional transformer balanced output, eitheroutput phase (+ or -, hot or cold) can be linked to gro

16240.5ONOFF.5ONOFFControls11.0 Controls11.1 Mode SwitchThese four controls have a momentary action and allow the operator to muteeach band individual

1711.4 Polarity SwitchThese four latching switched allow 180 degree phase reversal of the signaloutput for each band individually. Refer to section 16

18.51248dBONOFF WATS560B4H.51248dBONOFF WATS 560B4H.51248dBONOFFWATS560B4H.51248dBONOFFWATS560B4HControls11.7 LimiterThreshold SwitchThese four switch

19FC1 FC2 FC3MONO 4-WAYFC1STEREO 2-WAY CHANNEL ONEFC1 FC2MONO 3-WAYFC3STEREO 2-WAY CHANNEL TWOFrequency Cards12.0 Frequency CardsThe frequency program

2This equipment has been tested and found to comply with the following European Standards forElectromagnetic Compatibility:Emission Specification: EN5

20Rear Barrier Strip13.0 Rear Barrier StripThe barrier strip located on the rear of the FDS-360 provides for a number offacilities specific to the BSS

21Modes of Operation14.0 Modes of OperationThe FDS-360 can be configured as either a stereo 2-way, or mono three/four-way electronic crossover. Furthe

22Limiter Adjustment15.0 Limiter AdjustmentThe FDS-360 is provided with separate limiters, each of which are carefullydesigned to provide the maximum

23RMS Volts2.471.951.561.240.980.780.620.490.390.310.250.21dBvSwitch Settings 4dBvLink0.51248+10+8+6+4+20-2-4-6-8-10-11.5Fig 15.1 LimiterThreshold Set

2416.0 Phase AdjustmentOne of the characteristics of the Linkwitz-Riley filter response is that at the'corner' frequency between two adjacen

25System Diagram/Description17.0 System Diagrams and DescriptionsThe input section of the FDS-360 contains the input signal de-balancing,subsonic and

26System Block Diagram30LIMPOLLIMLIMBAND1OUTPUTBAND2OUTPUTBAND3OUTPUTBAND4OUTPUT27kINSERTLEVELPOL30F1F1MUTEINSERTLEVELPOLF22wMUTE F2F12wF12w2w2w2wCHAN

2718.0 Filters and Frequency TablesThe standard filter provided for the FDS-360 is of the Linkwitz-Riley responsebased on two second order Butterworth

28Fig 18.2 ComponentValues for FrequencyCards type FDS-360/1FDS-360 FREQUENCY CARD COMPONENT SELECTION - 24dB/OctaveFreq.R1R1R5R5C1C10C95043k 47k 82k

29FDS-360 FREQUENCY CARD COMPONENT SELECTION - 24dB/OctaveSee Notes at bottom for full component ID.Freq. R1A R1B R5A R5B C1A C10 C96k327k 6k8 27k 18k

3ContentsContents1.0 What is a Crossover? 52.0 The difference between Active andPassive Crossovers 63.0 Other advantages 74.0 The Linkwitz-Riley advan

3019.0 BSS Supported OptionsThe FDS-360 has unbalanced output as standard. Should output balancing berequired, then the BSS AR204 line balancing unit

3120.0 FDS-360 Equalisation OptionsIn certain areas of application, it is necessary to have within a loudspeakersystem some form of fixed equalisation

32Fig 20.1 Schematic forone filter blockFig 20.2 Bell Responsecurve for filter blockFig 20.3 HF/LF Responsecurve for filter blockEqualisation Options

3320.4 Filter DesignReference should be made to Figure 20.1.Section A: First Order Low Pass Filter.This can be used in conjunction with that of sectio

3420 50 100 200 500 1k 2k 5k 10k 20k 40k10dBFirst Order Response Cf = 15nF, Fc (-3dB) = 1kHzFrequency(Hz)Section B: Parametric Equaliser Filter.This i

3520.5 ApplicationNotes100Hz Notch to reduce mains related interferenceThe design specification for this would be:Fc = 100HzQ = Maximum possibledB cut

3620 50 100 200 500 1k 2k 5k 10k 20k 40k5dBHF Shelf RQ = 0, Fc = 16kHzFrequency(Hz)20.6 Application ofthe FDS-360D to asystemA target response should

37Fig 20.10 Design Curvesfor RdB0123456789101112131415161720406080100120140160180200220240260280300320340360380400R Boost/Cut(k )dB Boost/CutRBoost/Cu

38Connection of the filter blocks into the FDS360 frequency bands is arrangedby the wire link strapping between the various connection areas:Filter I.

39Fig 20.12 FDS360 EQ 'D'card Schematic+756231++R39SOAR3747KR404K7R432K2R4210KR41SOAR44SOAC12SOAC11SOAIC7353IC7353CUTBOOSTB1C1B2B3SWC21234F

4Contents14.0 Modes of Operation 2114.1 Mono Three Way with Extra Full RangeBuffered Output 2114.2 Operating a Sub-Woofer system from anEffects Send 2

40FDS 360 E-Card20.7 FDS-360 EInstallationThe 360E board filters 3 and 4 are shelf type filters which can be configured asHigh or Low pass cut or boos

41Fig 20.14 FDS-360 EQ 'E'Card Schematic7BOOST SOA47KC2SOAX1SOABOOSTCUT+123456dBR2382KS1R2439KR2524KR2618KR2713KR2810KBX2CSOA10K10KR32R33IC4

4221.0 Electronic/Chassis Earth LinkIn some installations it may be necessary to separate the electronic 0V fromthe chassis and mains power earth to h

43Troubleshooting23.0 TroubleshootingProblem: No outputSolution: Is the MUTE switch depressed?Is the mains power on? (See section 8.0)Check the connec

44Glossary24.0 GlossaryAmplitudeRefers to the voltage level or intensity of a signal, and is usually measured involtage or decibels.Active electronic

45Any modification of a signal which produces new frequency components notpresents in the original. Harmonic distortion refers to added frequencies th

46GlossaryA sudden burst of energy in an audio signal which only lasts for a small periodof time relative to the rest of the signal. The level of a tr

4725.0 SpecificationsGain: 0dB standard. Optional +10dB to order.Noise: 85dBm 20Hz to 20kHz unweighted.Distortion: <0.5% THD up to +20dBm output, l

48This unit is warranted by BSS Audio to the original end user purchaser againstdefects in workmanship and the materials used in its manufacture for a

49IndexIndex15Hz Subsonic Filter 25AAuto Mute Cancel. See Rear BarrierStripBBand Insertion Points. See RearBarrier StripBass shelving 35Bell shape equ

51.0 What is a Crossover?CrossoversCrossovers are a necessary part of sound reinforcement systems because theloudspeaker drive-unit which can produce

50IndexVVoltage. See Mains ConnectionWWarranty 48Wiring convention. See InputsWWW address 48ZZero Phase difference 8

51User Notes

52User Notes

53

54User Notes

62.0 The difference between Active andPassive CrossoversPassive crossovers divide the frequency spectrum after the signal has beenraised to a high pow

7Crossover advantages3.0 Other advantagesThe drive-units in sound reinforcement systems utilising active crossoversbenefit because:• Steep rolloffs ar

8Linkwitz-Riley Alignment4.0 The Linkwitz-Riley advantageThere is an additional set of advantages exclusive to active crossovers madeby BSS, and other

9BSS Crossovers5.0 What is special about BSS Crossovers?The FDS-360 is an electronic crossover system, and incorporates all the latesttechnology and f