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Professional build,
features, and performance for serious live sound
applications.
Microphone preamplifiers are one of the most critical
sound-defining circuits in any mixer. That's why professional who
are serious about their sound often spend thousands of dollars on
just a single channel of microphone pre-amplification. The
microphone preamps built into the IM8 series consoles inherit
technology from Yamaha's top-line professional consoles, and have
been painstakingly designed to deliver superior sonic performance
with any source. They offer low-noise, transparent amplification
with the widest possible range of dynamic and condenser microphones
as well as line-level signals, which means cleaner, better sounding
mixes overall.
· Unique Yamaha one-knob compressor on
all mono input channels - Input section
1. Compressor
This advanced Yamaha feature can be a tremendous advantage in
achieving great sound with a variety of sources. It is ideal for
compressing vocal channels, and can also be used to refine the
sound of bass, guitar, and other instruments. Built-in channel
compression is a premium feature usually only found on the most
expensive consoles, but in the IM8 consoles you have Yamaha's
innovative one-knob compression feature on all mono input channels.
Conventional audio compressors with their threshold, ratio, knee,
makeup gain and other controls can be complex and time-consuming to
set appropriately for a given source. Yamaha's one-knob compressor
eliminates the need for an engineering degree with a single control
that lets you simply dial in the amount of compression you
want.
2. Input
All mono input channels have both balanced XLR type and TRS phone
jacks for versatile input connectivity. Individual +48V phantom
power switches on each mono channel provide phantom power for
condenser microphones, and input levels can be optimally matched
over a broad -60 dB through +10 dB range with a 26-dB pad switch
and gain control. Other input section facilities on mono channels
are a phase switch and 80 Hz high-pass filter switch. Stereo input
channels provide L and R phone jack inputs as well as pin jack
stereo pairs. A gain control allows matching to stereo input signal
levels from -34 dB to +10 dB.
3. 4-band Equalizer
Designing a smooth, musical-sounding equalizer is an extremely di
cult task that Yamaha engineers have perfected through years of re
nement based of feedback from some of the most renowned engineers
and artists in the field. The IM8 series equalizers apply this
specialized know-how to the fullest degree. All stereo and mono
channels have four-band equalizers featuring HIGH, HI-MID, LO-MID,
and LOW controls as well as an EQ ON switch that can be used to
instantaneously switch the EQ in or out of circuit. Mono channels
have sweepable HI-MID and LO-MID controls that allow pinpointing
specific frequencies for precise response tailoring or feedback
control. The stereo channel HI-MID and LO-MID controls are
fixed-frequency peaking types.
4. AUX Send
The IM8 series consoles provide plenty of auxiliary routing
capacity for monitoring and handling external e ects. All mono and
stereo channels feature eight individual AUX send controls that can
be switched for pre-fader or post-fader operation in pairs (i.e.
AUX sends 1-2, 3-4, 5-6, and 7-8). You could, for example, set
three of the AUX pairs for pre-fader operation so you have six
individual monitor sends, while the remaining pair is set to
post-fader for use as two e ect sends . or any other combination
that suits your needs.
5. Channel Output Control and Routing
All channels feature smooth, noiseless full-length faders for level
control as well as 3-segment input level meters that provide a
valuable visual reference to channel signal levels. The three
segments correspond to -20 dB, 0 dB, and Peak levels. The peak
indicator lights when the channel signal reaches 3-dB below
clipping to warn the operator of impeding clipping distortion. Bus
assign switches assign the channel signal to group bus pairs
— 1-2, 3-4, 5-6, and 7-8 — as well as the stereo and
mono buses. Pan controls on the mono channels pan the assigned
signal between the assigned odd/even groups as well as between L
and R on the stereo bus. Stereo channels have balance controls
rather than pan controls. Another extremely useful feature of these
consoles is mute groups. Each channel has four mute switches that
assign channel muting to the corresponding mute master switches in
the console's master section. You can specify up to four different
mute configurations that can be instantaneously engaged or
disengaged via the mute master switches. There's also a channel ON
switch with indicator, and a PFL switch with indicator for
convenient pre-fader monitoring of the channel signal.
· Comprehensive master section
provides extensive signal routing and control versatility - Master
section
1. AUX Send MastersThe IM8 console master section provides
individual linear AUX send master faders for each of the eight AUX
buses. Each AUX send master fader has a 3-segment level meter for
visual level confirmation, and an AFL switch with indicator for
convenient AUX signal monitoring. Insert patch points are provided
before the AUX send faders, and the AUX send outputs on the rear
panel are balanced XLR types.
2. Mute Masters
These four switches instantly mute or un-mute all channels on which
the correspondingly numbered MUTE switches are engaged. This allows
you to set up as many as four different channel mute con gurations
and engage or disengage them instantly as required. This is a great
way to handle multiple bands, for example, or to shut down specific
groups of microphones when they're not being used.
3. Talkback Section
In addition to a rear-panel mounted microphone connector and the
standard ON switch and level control in the master section, the IM8
series consoles offer versatile talkback routing with eight
switches that assign the talkback signal to individual AUX bus
pairs (1-2, 3-4. 5-6, and 7-8), all group buses, the stereo and
mono buses, or any of two matrix output pairs (1-2, 3-4).
4. Monitor Section
Any time you press an AFL (a er-fader listen) or PFL (pre-fader
listen) switch anywhere on the console the corresponding signal is
sent to the rear-panel monitor outputs as well as the headphone
output. At the same time the PFL or AFL indicator the monitor
section will light to indicate that one or more AFL/PFL switches
are active. The indicators associated with each AFL and PFL switch
let you see which ones are active at a glance. The monitor section
also features level controls for the monitor and headphone outputs,
and a precise 12-segment level meter..
· Output matrix affords extra output
flexibility, particularly for installations.
The IM8 series consoles feature four matrix outputs that can be fed
signals from all eight of the group busses as well as the stereo
and mono bus. Individual level controls for each source bus are
provided for each of the four matrix outputs, along with a master
matrix level control and AFL switch for local signal monitoring.
The matrix is a convenient and configurable system for providing
additional output mixes for any number of utility applications:
extra monitors, dressing room feeds, lobby sound, and more.
· USB audio I/O allows direct digital
recording and playback with the supplied Cubase AI4 audio
workstation software.
The IM8 consoles feature 2-track input and stereo record output
facilities in both analog and digital formats. Analog 2-track input
can be connected to the console via the rear-panel stereo pin jacks
or a stereo mini-phone jack on the front panel. Assign switches
allow the received 2-track signal to be sent to the stereo and/or
mono buses, while a rotary control adjusts the signal level. A PFL
switch and indicator are also provided for easy monitoring of the
2-track signal. Conversely, the signal from the stereo and/or mono
buses can be assigned to a pair of pin-jack record outputs on the
rear panel for connection to an external 2-track recording or
similar device. The functions of the 2-track inputs and record
outputs are duplicated by a USB terminal that can be used to
transfer the corresponding digital audio signals to and/or from a
computer running the supplied Cubase AI4 audio workstation software
for direct digital recording from the console or playback via the
console.
· Other Features
External power supply, PW8, maximizes console performance - dual
power supplies can be used for redundant failsafe operation.
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