Wohler VMMDA-1 Скачать руководство пользователя страница 13 | Manualshive

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© 2005 Wohler Technologies Inc. ALL rights reserved

13

VM SDI Digital Series

User Manual P/N

821625

Rev-

A

Technical Information

General Technical Observations

VM Main PCB Trimpot Locations

VM SDI Digital Series Interconnect Block Diagram

Section 3

NOTE:

PCB layout and schematic support documentation is available upon request.

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Содержание VMMDA-1

Страница 1: ... P N 919141 1 Trimpot Locations VM SDI Digital Series Interconnect Block Diagram VM SDI Digital Series 1U Analog Digital Audio Monitors VMSDA 1 and VMMDA 1 Document P N 821625 Rev A with One SDI or SDI and HD SDI Input and Re clocked Output on BNC One AES input on BNC or Phoenix Analog input on mini Phoenix SDI Group Eight Channel Pair selection Stereo Analog Output of Selected Source on mini Phoe...

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: ...ghts reserved 3 VM SDI Digital Series User Manual P N 821625 Rev A Sect 1 General Features and Specifications General Features Specifications and Installation Description Features Applications General Specifications Installation Section 1 ...

Страница 4: ...rnal jumper Two front firing midrange tweeter speakers and a compact high performance woofer are arranged in Wohler Technologies popular bi amp design The summed bass feature is important for audible detection of out of phase conditions Speaker amp limiters prevent accidental damage to speakers from high input levels The rear panel features an SDI input and output on BNC connectors an AES input on...

Страница 5: ...0 dBfs Typically 2 at any level below limiting 100Hz 15KHz 60 Hz to 16 kHz 6dB Better than 70 dB below full output 0 3 at any level below limit threshold Analog mini Phoenix bal x 2 AES mini Phoenix x1 BNC x 1 SDI HD SDI BNC x 1 Analog Selected mini Phoenix x 2 SDI re clocked BNC x 1 100k Ω balanced Units are certified to meet at time of manufacture all currently applicable product safety and EMC ...

Страница 6: ...ernal to the unit Mechanical Bracing 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 ...

Страница 7: ... 2005 Wohler Technologies Inc ALL rights reserved 7 VM SDI Digital Series User Manual P N 821625 Rev A Operation Front Panel Features Rear Panel Features Section 2 ...

Страница 8: ...at will be monitored from the connected SDI source Note that in order to audibly monitor the selected SDI channel pair the Source Select Switch Item 10 must be set to SDI Headphone Jack This jack accepts the standard 1 4 phone type stereo plug Select the headphone audio sources as you would for the internal speakers When you plug in headphones the speakers will mute Power Indication LED This LED g...

Страница 9: ... 2005 Wohler Technologies Inc ALL rights reserved 9 VM SDI Digital Series User Manual P N 821625 Rev A Section2 Operation Figure 2a Front Panel Features ...

Страница 10: ... connector receives AES digital signals and is configured for balanced 110 Ω Ω Ω Ω Ω impedance connections To monitor the source signals entering this input connector set the Source Select Switch Item 10 page 8 to AES Note There is only one AES input channel do not connect two AES signal sources simultaneously to both the balanced and unbalanced AES input connectors Only one AES input connector ba...

Страница 11: ... 2005 Wohler Technologies Inc ALL rights reserved 11 VM SDI Digital Series User Manual P N 821625 Rev A Section2 Operation Figure 2b Rear Panel Features ...

Страница 12: ... Control Characteristics The balance control attenuates the signal from the source so that the left and right bass frequencies summed together and reproduced in the woofer channel will also respond to the balance control Example If an audio signal of a voice speaking English is fed to the A left input and a voice speaking Spanish is fed to the B right input then the left speaker channel will repro...

Страница 13: ...igital Series User Manual P N 821625 Rev A Technical Information General Technical Observations VM Main PCB Trimpot Locations VM SDI Digital Series Interconnect Block Diagram Section 3 NOTE PCB layout and schematic support documentation is available upon request ...

Страница 14: ...ard while power is applied to the circuitry To avoid thermal shutdown of the power amp s they should NOT be operated without their tabs being fastened securely to the heatsink plate Variations in the frequency response of different production runs of drivers sometimes requires minor adjustments in the equalization crossover components in individual runs of units Some of these components may have v...

Страница 15: ... 2005 Wohler Technologies Inc ALL rights reserved 15 VM SDI Digital Series User Manual P N 821625 Rev A VM Main PCB P N 919141 1 Trimpot Locations Section 3 Technical Information ...

Страница 16: ... 2005 Wohler Technologies Inc ALL rights reserved 16 VM SDI Digital Series User Manual P N 821625 Rev A Section 3 Technical Information VM SDI Digital Series Block Diagram ...

Страница 17: ... 2005 Wohler Technologies Inc ALL rights reserved 17 VM SDI Digital Series User Manual P N 821625 Rev A NOTES Section 3 Technical Information ...

Страница 18: ...v A Wohler Technologies Inc 31055 HuntwoodAvenue Hayward CA 94544 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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