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PRODUCTION PARTNER 

09/2015 

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9

for the aux busses is generated. The signal path of a channel
strip is structured as follows:  input selection, digital gain, high
pass filter, 4 band parametric EQ, gate, compressor and DCA
(fader). In Input Select the selection “Slot In 1–32” is still greyed
out because it will be activated in the desk’s firmware along with
the release of the NY64 expansion cards.

The tap for recording to a DAW connected via USB can be
switched globally. As a rule you’ll use pre-processing setup be-
cause the settings for a LIVE show are normally not the ones
you’ll want for a later downmix to a stereo file. Should you like
to do the downmix using the console again, you can play back
the unprocessed signals to the same position and then perform
the mix. To play back a multi-track recording of a concert is
sometimes quite convenient because you can use the recording
for a sound check on an empty stage. This is advantageous in
several ways:

Firstly, the musicians don’t have to go through a boring and tir-
ing sound check and, secondly,  the sound engineer at the con-
sole can kind of get a good LIVE feeling while doing the sound
check (we all know that many musicians play louder and heavier
during a show than when doing the sound check). 

Filters

Each input channel of the TF consoles features an adjustable
20 Hz to 600 Hz high pass filter and a 4-band fully parametric
EQ, which can, either, all be defined as Bell filters, or, alterna-
tively, one as high or one as low-shelf filter. The new user inter-
face for the filter section has turned out great: You can enter all
data directly, using the physical encoders, or just use the touch
panel controls (one or two finger mode). Using one finger you
can adjust gain or frequencies, with two fingers you can alter
the filter’s quality factor. The same can be done using the iPad
app. The TF editor transfers all three controls to the mouse
wheel; real purists or techno nerds then have the chance to
enter all filter parameters directly as numeric values.

Typical for Yamaha: the filters are not compensated with respect
to their transfer function. Close to half of the sampling rate, the
filter curve will be compressed while sweeping the frequency
axis. The reason is that the infinite frequency axis is transformed
from the analog to the finite and discrete spectrum of the digital
domain. 

Is the half sampling rate at 24 kHz, you will already see signifi-
cant changes in the filter curve shape above 10 kHz. This is
clearly depicted by the two red curves in the upper part of figure

Parametric EQs 

in all inputs fully equipped, alternatively the EQ

can be set to “1-knob” mode (figure 14)

High and low shelving 

filters and high pass and low pass filters

(below) in all inputs (figure 15)

Bell-Filter

with settings for frequency and gain (above) and for

quality (figure 16)

Summary of Contents for TF Series

Page 1: ...ies Yamaha s Starter Series comprising three digital desks features 1 knob and GainFinder thus offering new solutions ensuring fast and safe handling Text and Measuring Anselm Goertz Photos Dieter Stork Review from Issue 9 2015 ...

Page 2: ...n module suited for setting up a redundant net work Springtime 2016 will also see the launch of the new stage box Tio1608D with 16 inputs and 8 outputs and also fully remote capable preamps It will also be equipped with a primary and secondary network connection and can either be operated in redundant or in daisy chain mode with additional stage boxes The user interface is absolutely state of the ...

Page 3: ...ack you will have to use a computer with suitable software connected via one of the host ports Coming soon Dante network and Stage Box Today s audio world is digital Streaming services music servers networked devices digital technology is everywhere The interfaces to acoustic signals i e converters though are still analog Microphones constitute one side of the signal chain speakers the other Micro...

Page 4: ...ainst malfunc tions and failures Not least because of these reasons the Dante audio network manufactured by Audinate was chosen as the native network used in the QL and CL series as well as in the corresponding stage boxes The simplest configuration in combination with a TF QL or CL mixer consists of an I O box connected to a console by using just a simple network connection and nothing else In cas...

Page 5: ... mixing desk a preamp is of the same importance as in analog ones as its task is to get everything from weak microphone signals to high line levels deriving from keyboards or DI boxes to the same overall level The preamps in TF consoles offer a very wide gain range from 6 dB to 66 dB Zero dB then stands for the maximum volume of an analog signal with a 26 dBu level As the preamp is fully remote an...

Page 6: ...ate but at the maximum gain of 66 dB 86 dB can still be achieved Based on these figures the equivalent input noise will be 126 dBu The corresponding interference spectra figure 6 show a clean white noise Including the additional 20 dB gain the over all noise level is 65 respectively 41 dBu If you then subtract the 20 dB the corresponding values will be 85 and 61 dBu The maximum output voltage at the...

Page 7: ...y great 110 dB 0 0003 Reaching these good values is a bit more difficult when the preamp is confronted with higher gain settings here 60 dB Still the figures are nevertheless quite good compared to measuring at 0 dB You ll find the cor responding curves in figure 9 In addition to the absolute distortion values their spectral struc ture is quite interesting The desired harmonic distortion spec trum sh...

Page 8: ...e really good DIM curves for 0 and 60 dB preamp gain are shown in figures 12 and 13 The excel lent minimum of 85 dB in both cases was measured at ap proximately 10 dB below the maximum volume So again really outstanding results Signal processing and structure Digital equipment has the advantage that the order of the blocks of signal processing can be chosen quite flexibly The same goes for the taps ...

Page 9: ...s features an adjustable 20 Hz to 600 Hz high pass filter and a 4 band fully parametric EQ which can either all be defined as Bell filters or alterna tively one as high or one as low shelf filter The new user inter face for the filter section has turned out great You can enter all data directly using the physical encoders or just use the touch panel controls one or two finger mode Using one finger you ca...

Page 10: ...or reaction to a sine burst with time constants of 50 and 500 ms for attack and release The threshold level of 20 dB here refers to 0 dBfs in the dig ital domain The two FX buses and if required also the six Stereo Aux busses numbers 9 to 20 can be fed from all inputs All respec tive masters comprise four band fully parametric EQs and sev eral effects you will have varied reverb programs delays ch...

Page 11: ...mes louder and louder For inputs there is a preset Vocal filter with a 140 Hz high pass filter and a slight cut of the low mids and a boost of the higher frequencies In addition to the use of filters dynamic processing constitutes the most important function of a mixing desk Especially LIVE music often generates a large dynamic range meaning you would wish a certain compression would take place Also ...

Page 12: ...ers as well as remote apps for iPad and iPhone thus making them really convenient and very useful for technicians and musi cians Yamaha experts have also deliberated thoroughly about how to facilitate getting started for beginners That is why they have included ample libraries with predefined channel settings for all kinds of instruments and established microphone mod els GainFinder for the inputs ...

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