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SPECIAL MESSAGE SECTION This product utilizes batteries or an external power supply (adapter). DO Battery Notice: NOT connect this product to any power supply or adapter other than one This product MAY contain a small non-rechargeable battery which (if described in the manual, on the name plate, or specifically recom- applicable) is soldered in place. The average life span of this type of bat- mended by Yamaha. tery is approximately five years. When replacement becomes nec
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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 hazards. These precautions include, but are not limited to, the following: Power supply/AC power adaptor Water warning • Only use the voltage specified as correct for the instrument. The requ
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Connections Handling caution • Before connecting the instrument to other electronic components, turn off the • Do not insert a finger or hand in any gaps on the instrument. power for all components. Before turning the power on or off for all • Never insert or drop paper, metallic, or other objects into the gaps on the components, set all volume levels to minimum. Also, be sure to set the panel. If this happens, turn off the power immediately and unplug the power volumes of all com
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Introduction Thank you for purchasing the Yamaha i88X Audio/MIDI Interface. Connecting the i88X to a computer expands music production environments that utilize an audio sequencer on the computer. The i88X supports mLAN, a digital music network based on the IEEE1394 high performance serial bus and data protocol. The i88X makes it easy to construct sophisticated networks for IEEE1394 audio and MIDI signals without having to re-configure complicated cabling, as
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Features ■ Fast data transfer via mLAN Connecting the i88X to a computer and other mLAN devices via IEEE1394 (FireWire/i.LINK) cables enables you to transfer multi-channel audio data and multi-port MIDI signals to and from a com- puter-based DAW (Digital Audio Workstation) and connected mLAN devices (at a transfer rate of 400Mbps [S400]). ■ Up to 18 audio channel I/O • The i88X features two MIC/LINE inputs and six LINE inputs. Inputs 1 and 2 feature tw
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Fundamentals of mLAN mLAN is a digital network for music that was developed based on IEEE1394, an industry-standard high-performance data communications protocol. Digital music environments that do not feature mLAN require dozens of cables for various devices and purposes, including MIDI cables and audio cables to route MIDI and audio signals. If you wish to make changes to such systems, you must physically disconnect and re-connect these cables. For example, adding another
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Names and Functions Numbers indicated to the left of the names (1-5, 7-A, E-K, and M) correspond the NOTE numbers indicated in the block diagram on back cover page. Front Panel 12 345 34 5 678 9 0ABCD LINE: Use this setting to connect a line-level 1 [PHANTOM +48V] switch instrument, such as a synthesizer, key- This switch supplies +48 V phantom power to board, or audio equipment. XLR and TRS phone compatible INPUT jacks 1 MIC: Use this setting to connect a mic-level and 2 (3
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[SELECT] switch (7). The monitoring signal is 4 [PEAK] indicators output from the OUTPUT/MASTER 1/L and 2/R A [PEAK] indicator lights up red if the input sig- jacks and MASTER PHONES jack (page 17). nal that has passed through the [GAIN] control (5) reaches a level 3 dB below the clipping 9 MASTER PHONES jack point. In order to record at the optimal level, You can connect a set of stereo headphones to adjust the [GAIN] control (5) so that this indi- this stereo phone jack. The signals outp
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wordclock master” on page 10. You can select (page 20) to identify the corresponding mLAN the sampling frequency using mLAN Auto Con- device in the network, the indicator flashes. nector or mLAN Graphic Patchbay (page 20). The indicator also lights up if an mLAN NOTE INT: The i88X uses the internal clock at cable is not connected to the unit. 44.1 kHz. D [STANDBY/ON] switch ADAT: The i88X uses the incoming ADAT sig- nal as the master clock. This switch turns the power to the unit on mLAN: The
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Rear Panel F E DIGITAL STEREO DIGITAL STEREO MIDI OPTICAL COAXIAL 21 876543 INPUT21 INSERT I/O (BAL) DC IN OUT IN OUT IN 876543 2/ R 1/ L OUTPUT / MASTER +4dB(BAL) M L K J I H G recorder, etc., using RCA pin cables for digital E INSERT I/O 1 & 2 (TRS phone) jacks audio. These unbalanced TRS phone-type 1/4" connec- tors are used for channel insert ins and outs. Use J OPTICAL IN & OUT jacks a split cable to insert an external effects proces- These optical jacks input and output digital ste- sor
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Turning the Power to the i88X and Connected Devices On and Off 1. Turn on the power to the external Preparation devices, such as a sound source or effects Before you connect the power adapter, make processor connected to the input and sure that the i88X [STANDBY/ON] switch is set output of the i88X. to STANDBY (Off). A Connect the plug of the power adapter (PA-5D) to the DC IN terminal on the rear panel of the i88X. B Plug in the AC cable to an appropriate POWER 2Turn on the ON!! AC
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Connecting External Devices CAUTION Before you connect external devices to the i88X, turn off the power to all devices. Also, before you turn on or off the power to the devices, lower the volume setting on all connected devices to minimum. Otherwise, electrical shock or damage to the devices may result. The following diagram illustrates a typical connection example. Refer to this diagram to connect microphones, musical instruments, a computer, and other external devicves. Electric guitar/ Mic
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Wordclocks In a system that features multiple digitally-connected devices, all digital devices must be synchro- nized when digital audio signals are transferred from one device to another. Even if the devices use matching sampling frequencies, if their audio processing timing is not synchronized, they might not receive signals correctly, and audible noise, glitches or clicks may occur. Synchronization is achieved using a wordclock (a clock signal that synchronizes all digital audio signals i
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About connections with external devices when using the i88X with a computer When using audio devices, musical instruments and computers at the same time, there is bound to be some noise in the system, the amount of which depends on the connections. Knowing how to minimize noise is extremely important when designing and setting up a studio. As advanced as the i88X is, it too is susceptible to noise. Various types of noise may be generated and recorded to your audio sequencer, depending on the
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Connecting Musical Instruments and Microphones and Adjusting the Input Level Signals input at INPUT 1-8 jacks are routed to mLAN output channels 1-8 respectively. If you have selected any pair from channels 1/2 through 7/8 for monitor output, you can monitor the corre- sponding input signals from MASTER L & R and MASTER PHONES (page 17). This section describes connecting musical instruments and microphones to the INPUT 1-8 jacks and adjusting the level of input signals. mLAN mLAN INPUTS ANALO
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Direct Monitoring Through the MASTER L & R jacks and the MASTER PHONES jack, you can directly monitor signals input at INPUT 1-8 jacks or COAXIAL or OPTICAL DIGITAL STEREO INPUT jacks. When an audio input signal, such as a guitar or vocal signal, is output through the computer, latency (delay) may occur. However, this Direct Monitoring function enables you to monitor a sig- nal before it is output to the connected computer, and thus avoids latency in the monitoring signal. If you wish to recor
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System Examples 1. Connecting the i88X to the computer Connect the IEEE1394 connector on an IEEE1394-compatible computer to the mLAN connector on the i88X using an IEEE1394 cable. In mLAN Auto Connector or mLAN Graphic Patchbay (page 20), route the audio and MIDI signals between the computer and the i88X and set up the wordclock. This system enables you to transfer multiple audio streams from the connected musical instru- ments and mixer to the computer simultaneously, and transfer multiple a
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2. Using multiple mLAN devices Connect the mLAN (IEEE1394) connector on the IEEE1394-compatible computer and the mLAN (IEEE1394) connector on the 01X Digital Mixing Studio and on the i88X using IEEE1394 cables. In mLAN Graphic Patchbay (refer to the mLAN Graphic Patchbay Online Manual), route the audio and MIDI signals between the computer and the i88X and set up the wordclock. This system enables you to make best use of the 01X Digital Mixing function (up to 28-channel digital mixing). Usin
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Making mLAN Connections In an mLAN system, you can easily configure and maintain the system, connect or disconnect the mLAN connectors on the computer and each mLAN device (virtual audio /MIDI input and output connectors), and make various mLAN connection settings (such as synchronization) by using the mLAN Graphic Patchbay and mLAN Auto Connector software applications. There is no need to re- patch audio and MIDI cables to accommodate various music production environments. mLAN Auto Connector
