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© 2001 Wohler Technologies Inc. ALL rights reserved

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AMP2-V2DA User Manual P/N 821539 Rev-A

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Содержание AMP2-V2DA

Страница 1: ...ption Level Meter Settings and Specifications Level Meter Bargraph 0 Zero Fine Adjustment Level Generator 919126 and LED Driver 919110 PCB Descriptions AMP2 V2DAInterconnectBlockDiagram AMP2 V2DA 2U Digital Analog Audio Speaker Monitor with Two AES Inputs on BNC and XLR Four Analog Inputs on Phoenix Four Analog Outputs From AES on Phoenix Selected Analog Stereo Outpts on XLR Four 53 Segment Level ...

Страница 2: ...eing walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip ...

Страница 3: ...Technologies Inc ALL rights reserved 3 AMP2 V2DA User Manual P N 821539 Rev A Sect 1 General Features and Specifications General Features and Specifications Description Features Applications Specifications Section 1 ...

Страница 4: ...nt panel are used to independently assign any two of the selected four channels to the left and right speakers AES signal status is indicated by two bi color red green LEDs The rear panel features two AES inputs on unbalanced BNC connectors two AES loop through outputs on unbalanced BNC connectors two AES inputs on balanced XLR connectors four analog inputs on balanced Phoenix connectors four anal...

Страница 5: ...hoenix 200KΩ balanced BNC 75 Ω unbal XLR 110 Ω bal 104 dB SPL 14 W transient 10 W continuous 35 W transient 25 W continuous 80 Hz 16 kHz 5 dB 10 dB 40 Hz 20 kHZ 0 dBv balanced 10 dB unbalanced Better than 68 dB below full output Less than 0 15 at any level below input threshold 6 or less at worst case frequencies above 120 Hz including cabinet resonance typically less than 1 5 26 dBv balanced 90 d...

Страница 6: ... 2001 Wohler Technologies Inc ALL rights reserved 6 AMP2 V2DA User Manual P N 821539 Rev A ...

Страница 7: ... 2001 Wohler Technologies Inc ALL rights reserved 7 AMP2 V2DA User Manual P N 821539 Rev A Operation Installation Front Panel Features Rear Panel Features Section 2 ...

Страница 8: ... 2001 Wohler Technologies Inc ALL rights reserved 8 AMP2 V2DA User Manual P N 821539 Rev A Section 2 Operation ...

Страница 9: ...heavy the chassis is securely attached to the front panel at eight points along its surface not just at the four corners of the chassis ears This feature will reduce or eliminate rear bracing requirements in many mobile portable applications The weight of internal components is distributed fairly evenly around the unit Audio Connections Connection of the audio feeds is straightforward Please refer...

Страница 10: ...nes which four channel source Analog or AES is available for assignment to the left and right speakers Headphone Jack Select the headphone audio sources as you would for the internal speakers When you plug in headphones the internal or external speakers will mute This jack accepts a standard 1 4 phone type stereo plug Analog Digital Source Select Switch This two position toggle switch allows the o...

Страница 11: ...Front Panel Features 5 3 1 2 4 8 7 9 10 11 6 5 3 1 1 WOHLER TECHNOLOGIES POWER 6 30 35 40 50 18 22 26 12 15 10 4 0 2 2 12 6 8 15 4 2 3 1 LEFT SPKR 1 2 SOURCE DIGITAL ANALOG SOURCE FAST PHASE 6 30 35 40 50 18 22 26 12 15 10 4 0 2 2 12 6 8 15 3 4 1 2 RIGHT SPKR 3 4 AES 2 AES 1 AVG SOURCE MONITOR PANEL AMP2 V2DA DIGITAL AUDIO ...

Страница 12: ...ut presence and status of the two AES input signals These LEDs function whether or not the AES digital signals are selected for monitoring through the unit Either LED glows GREEN as long as a valid AES EBU digital datastream for the associated input channel is being received Either LED glows RED to indicate errors in receptionor data errors if the data has been tagged as inappropriate for conversi...

Страница 13: ...Front Panel Features 5 3 1 2 4 8 7 9 10 11 6 5 3 1 1 WOHLER TECHNOLOGIES POWER 6 30 35 40 50 18 22 26 12 15 10 4 0 2 2 12 6 8 15 4 2 3 1 LEFT SPKR 1 2 SOURCE DIGITAL ANALOG SOURCE FAST PHASE 6 30 35 40 50 18 22 26 12 15 10 4 0 2 2 12 6 8 15 3 4 1 2 RIGHT SPKR 3 4 AES 2 AES 1 AVG SOURCE MONITOR PANEL AMP2 V2DA DIGITAL AUDIO ...

Страница 14: ...AES Input Connectors IN 1 and IN 2 and Loop Throughs OUT 1 and OUT 2 These twoAES IN BNC input connectors are meant to receive standardAES EBU signals TheAES OUT female BNC loop through connectors 1 and 2 output a copy of the signal entering the corresponding AES IN input connectors 1 and 2 All four female BNC connectors are configured for an unbalanced 75 Ω connection Note that the unit will moni...

Страница 15: ... ANALOG OUT INTERNAL POWER UNDERWRITERS LABS LABEL ON SIDE SEE POWER SUPPLY 100 240 VAC 50 60 Hz SERIAL NUMBER 1 2 1 2 3 4 AES EBU PORTS HI LO AES IN 2 TERM 1 OUT 1 IN 1 AES IN 1 0 18 20 9 4 6 GAIN CALIB DIGITAL 20 dBFS 8 dB OUT 2 IN 2 TERM 2 GAIN CALIB 1 1 LO HI LO HI LO HI SELECTED ANALOG OUTPUT 2 2 3 3 ANALOG IN 4 4 CH A L CH B R AMP2 V2DA 253362 B D G E F ...

Страница 16: ... Converted Analog Out Connectors 1 4 These four Phoenix connectors output analog signals converted from the four AES EBU digital inputs but not the analog inputs and are not affected by the position of the Analog Digital Source Select Switch Item 7 page 10 These 3 pin male Phoenix connectors are configured for a balanced low impedance connection Phoenix connector pin out information is silk screen...

Страница 17: ... ANALOG OUT INTERNAL POWER UNDERWRITERS LABS LABEL ON SIDE SEE POWER SUPPLY 100 240 VAC 50 60 Hz SERIAL NUMBER 1 2 1 2 3 4 AES EBU PORTS HI LO AES IN 2 TERM 1 OUT 1 IN 1 AES IN 1 0 18 20 9 4 6 GAIN CALIB DIGITAL 20 dBFS 8 dB OUT 2 IN 2 TERM 2 GAIN CALIB 1 1 LO HI LO HI LO HI SELECTED ANALOG OUTPUT 2 2 3 3 ANALOG IN 4 4 CH A L CH B R AMP2 V2DA 253362 B D G E F ...

Страница 18: ... 2001 Wohler Technologies Inc ALL rights reserved 18 AMP2 V2DA User Manual P N 821539 Rev A Section 2 Operation ...

Страница 19: ... A Technical Information General Technical Observations AES to Analog Converter Module PCB 919050 Level Meter Settings and Specifications Level Meter Bargraph 0 Zero Fine Adjustment Level Generator 919126 and LED Driver 919110 PCB Descriptions AMP2 V2DA Interconnect Block Diagram Section 3 ...

Страница 20: ...tage and before the volume control section The signal pick off for the headphones is after the volume and balance controls Speaker muting is controlled by circuitry that senses connection of headphones to the jack The power amps are attached to an aluminum heatsink plate which is also connected to the circuit common for these devices The heatsink plate forms an operational module separate from the...

Страница 21: ... four channel balanced analog line level output which can be configured with unbalanced 75 Ω BNC connectors or balanced 110 Ω Phoenix or XLR connectors 919050 Specifications Inputformats Digital to AnalogConversion Samplingrate Termination Analog out of digital source S N THD full output Max output of analog out Nominal output level for Full Code digital source D to Again calibration dB dBFS Stand...

Страница 22: ...tinuous decay of 20 dB in 1 5 seconds or as a 3 second auto reset Hold When S3 is set for VU Peak S4 sets the Hold time to either 3 or 10 seconds The factory setting is PPM Decay mode no Hold continuous decay of 20 dB in 1 5 seconds See the diagram below for settings 53 Segment Bargraph Scale Level meter type Segment quantity Meter display modes DIP switch selectable PPM characteristics DIP switch...

Страница 23: ...etting use the Meter Input Gain Calibration Bargraph Display Mode DIP Switches Level Meter Bargraph 0 zero Fine Adjustment P2 pot adjusts theleft bargraph meter P3 pot adjusts the right bargraph meter Turn pots clockwise to increase the display level sensitiv ity in the associated bargraph meter R10 R12 IC5 P2 P3 Level Generator 919126 and LED Driver 919110 PCB Descriptions Level Generator Boards ...

Страница 24: ...nalog Digital Source Select ANALOG DIGITAL A D D A D A D A AES OUT 2 ANALOG IN 1 4 1 2 3 4 1 2 3 4 1 2 2 4 Switch PCB Plugin Module 919083 1 2 3 4 4 3 2 1 Status LEDs D A 2 Con verter 4 3 53 Segment Level Meters Selected Source Chan 3 4 SOURCE LEFT Speaker Select Switch 2 SOURCE 1 3 4 1 RIGHT Speaker Select Switch 4 2 3 Connector Legend XLR M 3 Pin Male Phoenix 3 Pin Male BNC Female Rev A 10 03 02...

Страница 25: ...Wohler Technologies Inc 31055 Huntwood Avenue Hayward CA 94544 Phone 510 870 0810 Fax 510 870 0811 US Toll Free 1 888 596 4537 www wohler com support wohler com ...

Страница 26: ...chnologies Inc 713 Grandview Drive South San Francisco CA 94080 650 589 5676 Fax 650 589 1355 web www wohler com e mail support wohler com Wohler Technologies Inc 31055 Huntwood Avenue Hayward CA 94544 Phone 510 870 0810 Fax 510 870 0811 US Toll Free 1 888 596 4537 www wohler com support wohler com ...

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