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Yamaha AD8HR Owner's Manual

Other manuals for AD8HR: Owner's Manual, Service Manual, Service Manual
Manual is about: AD CONVERTER WITH REMOTE PREAMP

Summary of AD8HR

  • Page 1

    E thank you for choosing the yamaha ad8hr ad converter with remote microphone preamp. The ad8hr is an eight-channel ad converter equipped with remote microphone preamps that feature 96khz, 24-bit linear ad conversion, 128-times oversampling, and a dynamic range of 110db. Its input section features b...

  • Page 2: Precautions

    2 precautions please read carefully before proceeding * please keep this manual in a safe place for future reference. Warning always follow the basic precautions listed below to avoid the possibility of serious injury or even death from electrical shock, short-circuiting, damages, fire or other haza...

  • Page 3: Fcc Information (U.S.A.)

    3 the above warning is located on the top of the unit. Explanation of graphical symbols the lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated “danger- ous voltage” within the product’s enclosure that may be of sufficient...

  • Page 4: Table of Contents

    4 part names and functions ............... 5 front panel ................................................ 5 rear panel .................................................. 6 basic operations ............................... 7 selecting the wordclock............................. 7 setting the phantom po...

  • Page 5: Front Panel

    Part names and functions 5 front panel a word clock indicators these indicators indicate the currently selected wordclock source. If the unit is not locking to the selected wordclock source, the corresponding wordclock source indicator flashes. B [word clock] button this button enables you to select...

  • Page 6: Rear Panel

    6 part names and functions rear panel a grounding screw for safety, use this screw to ground the ad8hr. The included power cable has a three-pin plug. If the ac outlet is grounded, the ad8hr will be grounded correctly via the power cable. If the ac outlet does not provide a suitable ground, this scr...

  • Page 7: Selecting The Wordclock

    Basic operations 7 selecting the wordclock you can select from the following wordclock source options: internal clock (44.1khz, 48khz, 88.2khz, and 96khz), word clock in, or digital out a. 1 press the [word clock] button repeatedly to select the wordclock source. The indicator of the selected wordcl...

  • Page 8: Setting The High Pass Filter

    8 basic operations setting the high pass filter each channel features a high pass filter (12db/octave) that you can turn on or off. You can set individual cut- off frequencies for each channel’s high pass filter. 1 press the channel select button to select a channel. The selected channels’ channel s...

  • Page 9: Adjusting The Led Brightness

    Basic operations 9 adjusting the led brightness follow the steps below to adjust the brightness of the front panel led and gain display. 1 while pressing and holding down the channel select button of channel 8, rotate the gain control to adjust the brightness. You can adjust the brightness in seven ...

  • Page 10: Aes/ebu Connections

    10 connection examples aes/ebu connections use a d-sub 25-pin aes/ebu cable to connect a digital audio device that supports the aes/ebu format. To connect a yamaha pm5d or dm2000 to the ad8hr, first you must install an optional i/o card (my8-ae, my8-ae96s, my8-ae96, or my16-ae) in the pm5d or dm2000...

  • Page 11: Aes/ebu Connections

    Wordclocks 11 for proper ad conversion and digital audio data transmission and reception, the d8hrs and external digital audio devices must lock to an identical wordclock. The ad8hr is capable of transmitting a wordclock signal of 44.1khz, 48khz, 88.2khz, and 96khz, you can use the ad8hr as the word...

  • Page 12: General Specifications

    12 appendix general specifications ■ analog input input 1–8 xlr-3-31 balanced ad converter 24-bit linear 128-times oversampling ■ digital output digital out a, b d-sub 25-pin balanced ■ connectors word clock in (75 Ω auto terminated): bnc word clock out: bnc ha remote (pc-rs422): d-sub 9-pin with pc...

  • Page 13: Electrical Characteristics

    Appendix 13 electrical characteristics measured at digital out. Output impedance of signal generator: 150 Ω. ■ frequency response fs=44.1khz or 48khz @20hz–20khz, with reference to –1dbfs @1khz fs=88.2khz or 96khz@20hz-40khz, with reference to –1dbfs @1khz ■ gain error @1khz ■ total harmonic distort...

  • Page 14: Error Messages

    14 appendix ■ led level meter error messages the ad8hr automatically diagnoses itself at the time of power up. If it detects a system abnormality, one of the following error messages appears. If an abnormality is detected, consult your yamaha dealer. E1: the backup battery voltage is low. If the vol...

  • Page 15: Dimensions

    Appendix 15 ha remote pin assignment table dimensions * if you do not intend to rack mount the ad8hr, attach the included rubber feet to the bottom surface of the unit. Attach the rubber feet in the positions marked by small circles on the bottom. Specifications and descriptions in this owner’s manu...

  • Page 16

    For details of products, please contact your nearest yamaha representative or the authorized distributor listed below. Pour plus de détails sur les produits, veuillez-vous adresser à yamaha ou au distributeur le plus proche de vous figurant dans la liste suivante. Die einzelheiten zu produkten sind ...