Qsc - Dspspec 电路图.pdf

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1、A D V A N C E D S Y S T E M S P R O D U C T S After three decades of developing pioneering audio products and systems, QSC raises the bar once again, setting a new standard in signal processing with the new DSP-3 Digital Signal Processing Module. The DSP-3s two channels of independent signal process

2、ing deliver more power, flexibility, and featuresin short,more of everything you really need in a DSPfor less. Simple to install and compact, the DSP-3 is the advanced and affordable digital signal processing solution for your audio system. Optimize Your Sound With DSP From QSC Powerful The DSP-3s p

3、owerful processor allows you to perform a wide range of signal processing functions. Whether you need speaker crossovers,EQ,time delay, or subsonic filters,the DSP-3 is as flexible as your systems needs. Each channel includes: Crossover filteringCompression and limiting Multiple Parametric EQsPrecis

4、ion attenuation Shelf filteringMixing Multiple Delays (up to 910 ms) Tone or noise generation Configurable The DSP-3s processing horsepower is dynamically assignable so you are not limited by a fixed signal chain. Simply use the powerful PC-based Signal Manager software to easily configure multiple

5、processing functions and signal flow with “drag-and-drop”tools. Cost-effective The power and flexibility of the DSP-3s eliminates the need for expensive outboard processing gear, reducing cost and installation time for almost any application. The compact DSP-3s also plug directly to the back of most

6、 QSC DataPort-equipped amplifiers for use in systems where rack space is a premium. Hear the Power of Technology. 1675 MacArthur Boulevard Costa Mesa, CA 92626 Ph: 800/854-4079 or 714/957-7100 Fax: 714/754-6174 email: Save space and weight by plugging the DSP-3 into the back of most DataPort-equippe

7、d QSC amplifiers. Or use multiple DSP-3s as a stand-alone,rack-mountable DSP solution. RadioFans.CN 收音机爱 好者资料库 Hardware Two independent channels of DSP 48 kHz,24-bit converters No turn-on pops or zipper noise If the memory or hardware fails,unit turns on muted Host interface via RS-232 or QSControl

8、Audio Network System* via CM16a Amplifier Network Monitor Electronically balanced inputs Contact closure to trigger preset changes Post-DSP output signal for daisy-chaining Peak,RMS and Clip meter displays DataPort “pass-through”compatible with QSControl Selectable input sensitivity: 1.5,4,9,18 Vrms

9、; 6,14.5,21.5,27.5 dBu; 3.5,12,19,25 dBV Software “Drag-and-drop”configuration software DSP processing power and memory dynamically assignable to signal processing functions Graphical representation of DSP resources Firmware upgrades downloadable via RS-232 Hard copy printout of configuration descri

10、ption and parameter settings ADDITIONAL FEATURES Multiple Parametric Filters,assignable anywhere in the signal chain: Variable FrequencyBypass all EQs Variable GainAdd EQ Variable QDelete EQ Apply BypassShow Response Multiple Delays,assignable anywhere in the signal chain 20.83 sec Incremental 910 m

11、sec Maximum Dynamics Processor with Compressor and Expander,assignable anywhere in the signal chain: GainRelease Time ThresholdShow Response RatioBypass Attack Time Output Peak Limiter,assignable anywhere in the signal chain: GainRelease Time ThresholdShow Response Attack TimeBypass High and Low-Pas

12、s Crossover Filters,assignable anywhere in the signal chain: Butterworth 6,12,18,24 dB per octave slope Bessel 6,12,18,24 dB per octave slope Linkwitz-Riley 12 and 24 dB per octave slope Apply BypassDelete EQ Bypass all EQsShow Response Add EQ High and Low-Pass Shelf Filter,assignable anywhere in th

13、e signal chain: Variable Corner FrequencyBypass all EQs Variable GainAdd EQ Variable QDelete EQ Apply BypassShow Response Signal Mute Attenuation: 0.1 dB steps Mix Post Crossover Audio(21 Mixer) Signal Splitter Built-in Noise Generator(Pink & White) Built-in Variable Frequency Tone Generator Signal

14、Polarity Reversal Frequency Responsereadout after each filter Clip and Protect Indicationat any point in the signal chain SIGNAL PROCESSING FUNCTIONS * Available in early 2001. RadioFans.CN 收音机爱 好者资料库 DSP-3 CONFIGURATIONS Advanced “Drag-and-Drop”Software Configuration DSP configuration is made simpl

15、e with a PC-based “drag-and-drop” software program called Signal Manager. Users can access a DSP “toolbox”and simple drawing tools to configure processing functions and signal flow. DSP processing power and memory is dynamically assignable to signal processing functions and any combination of functi

16、ons may be configured until the total capacity is used. DSP resources are graphically displayed at the bottom of the screen. Configurations can be downloaded directly to the DSP-3 via an RS-232 serial port or through a QSControl Audio Network System* via CM16a Amplifier Network Monitor for added sim

17、plicity. The software package also offers real-time control and set-and-forget convenience. Configurations can be saved and recalled for future use. The DSP-3 mounts directly to the back of these amplifier models via the DataPort: Two-channel CX Series Two-channel DCA Series PowerLight 2 Series The

18、following models require a Remote Rack Mounting Bracket: Full FeatureWithout Power Limiting Four-channel CX SeriesMX Four-channel DCA SeriesUSA PowerLight SeriesPLX RMX Non-QSC amplifiers Whether you need speaker crossovers, EQ,time delay,or subsonic filters,the DSP-3 is as flexible as your systems

19、needs. SIGNAL MANAGER COMPATIBLE AMPLIFIER MODELS * Available in early 2001. CharacteristicsSpecifications FREQUENCY RESPONSE Euro Input20 Hz to 10 kHz 0.3 dB 20 Hz to 20 kHz 0.7 dB DataPort20 Hz to 20 kHz 0.2 dB DISTORTION93 dB,20 Hz to 20 kHz for 1.5,4,9V input sensitivities 88 dB,20 Hz to 20 kHz

20、for 18V input sensitivities COMMON-MODE REJECTION50 dB,20 Hz20 kHz typical 40 dB 20 kHz worst case INPUT SENSITIVITY1.5,4,9,18 Vrms (selectable) 6,14.5,21.5,27.5 dBu 3.5,12,19,25 dBV CROSSTALK 75 dB separation,20 Hz to 20 kHz (inter-channel w/in DataPort pair) INPUT CONNECTORSTwo 3-pin Euros (1 for

21、each audio channel) One HD-15 female DataPort* One RS-232 female (PC input) One Power Jack Required only for PowerLight, QSC non-DataPort amplifiers,or non-QSC amplifiers,using remote rack mounting bracket CharacteristicsSpecifications OUTPUT CONNECTORSTwo 3-pin Euros (for daisy-chaining each audio

22、channel out) One HD-15,male amplifier connection INDICATORSFRONT: Power (one blue) Signal (one green) EXTERNAL POWER REQUIREMENTS15 VDC,0.4 A Required only for PowerLight, QSC non-DataPort amplifiers,or non-QSC amplifiers,using remote rack mounting bracket DIMENSIONS3.49 (1.37 cm) height 3.33 (1.31

23、cm) width without flanges 4.76 (1.48 cm) width with flanges 1.21 (0.48 cm) depth WEIGHT0.6 lbs (0.27 kg) net 1 lb (0.45 kg) shipping CONSTRUCTIONSteel chassis and back cover *DataPort input for use with CM16a Amplifier Network Monitor in QSControl audio network systems for remote management of QSC a

24、mplifiers and other audio devices. DSP-3 SPECIFICATIONS A Remote Rack Mounting Bracket is available for PowerLight,4-channel QSC amplifiers,or for non-DataPort- equipped amplifiers. Designed to be bolted to the rear of an amplifier rack,up to four modules can be mounted to each panel,providing up to eightchannels of DSP processing in a three rack-unit space. Specifications subject to change