Alesis AI-3 Specifiche

ALESIS AI-1 Reference Manual

7all eight channels of the ADAT digital bus are transferred.When using the BRC Master Remote Control, any two channels canbe selected, in which case t

8indicated by the fact that both the 48kHz and 44.1kHz LEDs will beturned off.

9CHAPTER 2: HOOKUP2.0 POWERThe AI-1 works with any AC voltage from 90 to 250 volts, 50 to 60Hz. This eliminates the need for transformers or voltage

10optic digital input;Note: If the other end of a fiber optic cable is disconnected and asignal is being sent through the cable, you will be able to s

11In the meantime, you may be tempted to reconnect the AI-1 to adifferent ADAT when you want to route digital audio to tracks onanother machine. Howev

12OUT, and the other end to the third ADAT slave’s DIGITAL IN.Its DIGITAL OUT then connects to the fourth ADAT slave’sDIGITAL IN, and so on;5. Connect

13BRC. This is required so that the BRC can synchronize to anAES/EBU or S/PDIF source. Both these connections can be madewhile power is on or off, and

14Figure 3Note: In a multiple ADAT system, if power is turned off on one ofthe ADATs in the middle of the chain, all ADATs following itwill no longer

152.2 AES/EBU AND S/PDIF2.2A Connecting an AES/EBU DeviceDigital routing to and from an AES/EBU device requires XLR typecables. These connections ca

164. Connect the other end of the fiber optic cable to the S/PDIF opticinput, OR, connect the other end of the RCA cable to the RCAinput of the AI-1.N

1TABLE OF CONTENTSCHAPTER 1 : INTRODUCTION1.0 ABOUT THE AI-1...11.1 IMPORTANT NOT

17CHAPTER 3: TRANSFERRINGDIGITAL AUDIO3.0 AI-1 TO ADATRecording from an AES/EBU or S/PDIF source through the AI-1onto ADAT involves a few very simple

18RCA input for a sample clock reference. If no sample clock isfound (because no device is connected, or the connected device isturned off), the AI-1

19tape on another ADAT, and you avoid having to reconnect yoursystem.3.0C DestinationTo route the AI-1 to ADAT, set the AI-1’s Destination to ADAT by

20between 48kHz and 44.1kHz.3.1A SourceTo route the ADAT to the AI-1, set the AI-1’s Source to ADAT bypressing the SOURCE ADAT button. The button’s L

21When the Source is set to ADAT, the AI-1’s Destination Rate willautomatically be set to 48kHz, since this is the sample rate of ADAT.If you wish to

22… or … Digital input:AES/EBU… or … Digital input: S/PDIF4. Use the UP/DOWN buttons to select the digital input that is tobe the source for record

23 Digital input: ADAT3. Press the DIGITAL I/O button again while the digital inputdisplay reads “ADAT”;The display will show the following: Select s

24onto any ADAT connected to the digital bus.5. Press the EDIT button to exit Edit mode;6. Press the DIGITAL I/O button to enable the digital bus (the

25on will record the selected Source input from the AI-1. Since onlytwo inputs are available (left and right), these inputs will alternateassignment

265. Press the DIGITAL I/O button twice;The display will show the following:AI-1 DestinationADAT6. If the AI-1 Destination is set to either “AES/EBU”

23.2D BRC Synchronization ...263.2E Output ADAT Tracks to AI-1...

27with the incoming source. However, it is important to note thatthe BRC also requires a 48kHz clock in order to be synchronizedto the incoming digita

28result in clicks in the audio.For more information on 48kHz clock, see sections 2.1C and 2.3.3.2E Output ADAT Tracks to AI-1If the BRC is in Edit m

29lit. Pressing the same button again will disable that track andturn off the LED. You may now select a different track.• A maximum of two tracks ma

309. Use the UP/DOWN buttons to select the AI-1’s Destination Rate(48K or 44.1K). This determines the output sample rate of the AI-1.3.2F Bouncing Tr

31after it.However, it is important to note that even though the AI-1’sdestination may be set to AES/EBU or S/PDIF, it is still sending alleight chann

32Note: Even when the AI-1’s destination is set to AES/EBU, thedigital bus being received from the last ADAT is routed throughback to the first ADAT.

33In this configuration, the ADAT optic jacks and the AES/EBU XLRjacks are used. In the figure below, ADAT #1 is receiving from anAES/EBU device using

343.3E AES/EBU to ADAT (44.1kHz)In this configuration, the ADAT optic jacks and the AES/EBU XLRjacks are used. In the figure below, ADAT #1 is receiv

35Source = ADATDestination = S/PDIFDestination Rate = 48kHzFigure 10Note: Even when the AI-1’s destination is set to S/PDIF, the digitalbus being rece

363.3H S/PDIF to ADAT (44.1kHz to 48kHz)In this configuration, the ADAT optic jacks and the S/PDIF jacks areused. In the figure below, ADAT #1 is rec

1CHAPTER 1: INTRODUCTION1.0 ABOUT THE AI-1Congratulations! You’ve just purchased a powerful tool that willenhance your ADAT system with incredible di

37for this operation are as follows:Source = ADATDestination = S/PDIFDestination Rate = 44.1kHzFigure 133.3J S/PDIF to ADAT (44.1kHz)In this configur

383.3K ADAT to ADATIn this configuration, the AI-1 becomes a transparent link in a daisy-chain. In the figure below, ADAT #2 is transmitting all 8 tr

39from another digital source:1. Press and hold the SET LOCATE button;2. Press the DIGITAL IN button;The ADAT’s display will momentarily read “int” in

40In this configuration, either the S/PDIF fiber optic jacks or RCAjacks (or both) are used to connect two S/PDIF devices through theAI-1. In the figu

41CHAPTER 4: APPENDICES4.0 APPENDIX 1: SPECIFICATIONSNumber of Digital AudioChannels:ADAT: 8AES/EBU, S/PDIF: 2Sample Clock Input range: 48 kHz nomina

42Dimensions (H x W x D): 1-3/4" x 19" x 6-1/4"Weight: 4.5 lbs (2 kg)Shipping Weight: 7 lbs (3.1 kg)Accessories Included: IEC style AC

434.1 APPENDIX 2: MAINTENANCE/SERVICEINFORMATION4.1A CleaningDisconnect the AC cord, then use a damp cloth to clean the AI-1’smetal and plastic surf

2track(s) and the sampling rate…and you’re up and running!With the BRC Master Remote Control, it’s even easier since allAI-1 controls are available fr

3digital recording terms that may be helpful as you read this manual.1.1 IMPORTANT NOTES ABOUT THIS MANUALThis manual has been designed as a referenc

4leaving the digital domain. The AI-1 can be used to transfer digitalaudio back and forth between DAT machines, CD player/ recordersand digital audio

5When you play back the audio once it is on ADAT, it will adjustback to its normal speed and of course sound sharp…roughly 147cents sharp. If you want

6device is connected, and the AI-1 is receiving its clock information.If the selected Source button’s LED flashes, it means that either nodevice is co