Vermona Modular TAI-4 Audio Interface Module for Eurorack Modular System Owner's Manual
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Vermona Modular TAI-4 is a transformer-isolated audio interface designed for use with modular synthesizers. It galvanically isolates and balances audio signals, preventing ground loops and electromagnetic interference. This makes it ideal for handling high-quality audio signals.
The TAI-4 has two input channels and two output channels. Each input channel has an XLR input and a 3.5mm jack output. The input level can be set to 0dB, +6dB, or +12dB using a switch. Each output channel has a 3.5mm jack input and an XLR output. The output level can be set to 0dB, -6dB, or -12dB using a switch.
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TAI-4
Owner's Manual
Introduction
Modular systems are just amazing. They are whatever you want them to be, as you are the one who's responsible for the number and kind of installed modules. It can be either a simple monophonic synthesizer or an extremely complex sound- and effect machine.
The TAI-4 is an audio interface for your modular system that brings the internal audio signals out of the system as well as external audio sources into the modular system. We are aware of the fact that many modules already have audio in- and outputs, so what's the reason behind making a special module with this functionality?
Each of the TAI-4s in- and output channel uses an audio transformer that galvanically isolates and balances the audio signal. Thus potential ground loops were prevented, the signal stays clear of electro-magnetic interferences. The
TAI-4 should be the module of choice whenever you need to handle high-quality audio signals.
We are proud to welcome you as VERMONA TAI-4 user. Enjoy the module and be happy whenever using it during music production and performances.
Your VERMONA team
HDB electronic GmbH
Badesteig 20
08265 Erlbach
GERMANY
Phone: +49 37422 25 30
Fax: +49 37422 23 97
Email: [email protected]
http://www.vermona.com
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Owner's Manual VERMONA TAI-4 - transformer-isolated audio interface
Installation
The TAI-4 is compatible to eurorack modular systems and has to be connected to the A-100 system bus for operation.
Follow the safety instructions and warnings stated in your A-100s manual when installing the module.
Before installing the module be sure to disconnect the modular system from mains!
• Connect the 10-pin connector on the TAI-4s rear to the ribbon cable that comes with the TAI-4. The color marked stripe on the cable is oriented to the bottom.
(see illustration 1)
• Connect the other end of the ribbon cable to the 16-pin connector on the eurorack style power distribution board of your modular system. The colored stripe has to be oriented to the negative 12 volt supply line (bottom).
• Use the screws that came with your TAI-4 to mount the module into the modular frame.
• Now connect the modular system to the mains and switch it on.
TAI-4 system bus ribbon cable
Illustration 1: Connecting the TAI-4 to the system bus
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Owner's Manual VERMONA TAI-4 - transformer-isolated audio interface
Control Surface Features
Input Section
The input sections features two identical input channels.
(1) IN balanced female XLR input
(2) LEVEL switch with CLIP LED
With this switch you can set the appropriate input level.
If it is set to "0dB" the channels output level equals the input level. Settings "6dB" and
"12dB" increases the level by the corresponding value.
The CLIP LED indicates too high input levels.
The signal doesn't distort as soon as it illuminates, there is still some headroom.
(3) OUT unbalanced 3,5mm jack output
Output Section
The output section features two identical output channels.
(4) IN unbalanced 3,5mm input jack
(5) LEVEL switch with CLIP LED
With this switch you can decrease the input level.
If it is set to "0dB" the channels output level equals the input level. Settings "-6dB" and
"-12dB" decrease the level by the corresponding value.
The CLIP LED indicates too high input levels.
(6) OUT balanced male XLR output
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Owner's Manual VERMONA TAI-4 - transformer-isolated audio interface
Specifications
Input Section
Frequency Range max. Input Level max. Output Level (jack)
Amplification
Output Section
Frequency Range max. Input Level (jack) max. Output Level
Reduction
Audio Properties
Signal-To-Noise ratio
THD+Noise
Product Properties
Power Consumption
Measurements
Weight
20Hz - 20kHz (±0,5dB)
+12dBu (600Ω)
+22dBu (600Ω)
+6dB / +12 dB
20Hz - 20kHz (±0,5dB)
+22dBu (10kΩ)
+12dBu (600Ω)
-6dB / -12dB
> 90dB
< -80dB
20mA
3HE, 14TE
(70,8mm x 128mm x 56mm)
320g
Declaration of Conformity
We declare under our sole responsibility that this product is in conformity with the following standards or standardization documents in attention of operation conditions and installation arrangements acc. to operating manual:
EN61000-3-2, EN 61000-3-3, EN 55013, EN 55020, EN 60065 according to the provisions of the regulations 2004/108/EG and 2006/95/EG.
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