audiodinamica SUT 3 Gebruiksaanwijzing - Pagina 4
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Pagina afdrukken2. GENERAL INFORMATION
The SUT N°3 is a flexible Step Up Transformer (SUT), designed to boost the output of a
Moving Coil cartridge for use with a Moving Magnet phono stage. It is wired to connect a
moving coil cartridge (on a turntable) to a phono preamplifier or phono input of an
integrated amplifier. The SUT N°3 uses permalloy (high nickel %) core transformers, one
per channel, housed in mumetal screening canisters to minimize noise and interference.
These transformers were specially designed and tested with several low-output moving coil
cartridges. High quality passive parts are used in the construction of the SUT: gold contact
switches, precision resistors, gold Plated RCA/XLR sockets and a shielding case. SUT N°3 is
equipped with both RCA and XLR input/output connections (only one usable at a time) and
we encourage you to use balanced cables when possible to connect the turntable to the
SUT, due to the superior immunity to noise of balanced connections.
All Audiodinamica products use the AES standard for balanced connections:
1. Chassis;
2. Positive signal;
3. Negative signal.
Do not connect pin 1 (chassis/ ground) to either pin 2 or 3 at any point in the cable,
turntable chassis, or tone-arm. Pins 2 and 3 must only connected to the cartridge pins
Fig. 1 – Cartridge-step up connection through balanced cable.
In figure 1 is represented the wiring scheme for connection from cartridge to step up using
an XLR connector. Cable screen should be connected to SUT chassis and tonearm ground
This document and the information it contains are the property of IIA srl. It can not be reproduced or
modified by third parties without IIA's written approval.
www.audiodinamica.com
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