DuTCH audio IM2.1 Handbuch - Seite 4

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Rearpanel:

Inputs:

The IM2.1 has two balanced inputs. Both inputs consist of gold-plated Neutrik XLR's.

Inserts:

The IM2.1 has 8 balanced inserts connected on the back with industry standard Tascam

DB25 analog connectors. Each connector holds 2 inserts corresponding with the frontpanel

numbering.

Note: Be careful with DB25 tascam standard premade cables. The digital AES/EBU cables

like the Hosa AES-803T have their XLR's connected in the wrong way which swaps

send/return. Though it's an easy fix (swap all XLR male and female), you might want to

look at this carefully.

Outputs:

On the rearpanel you will find 2 outputs with balanced gold-plated Neutrik XLR's.

Technical:

Hardware:

This device is built around mostly passive circuits, but some sections need to be active, but

always with transparency in mind. The sturdy frontpanel-switches have, depending on their

function, 2 color leds for visual feedback. All relays are high sensitive, long-life (15.000.000

cycles) Omron Relays.

Stepped switches are military grade Blore Edwards for long life and really nice mechanical

feel. In and output connectors are gold plated Neutrik and industrial DB25 connectors for

inserts. Active sections make use of SSM214x and Burr Brown drivers. Mid/Side section

makes use of THAT and Burr Brown drivers. The mid/side circuit is based on the well known

circuit from Wayne Kirkwood, but with additions/modifications.

PSU's are build around long-life industrial Meanwell SMPS's which run with way less noise

and way more efficient then linear PSU's. Both the relays/leds and active circuit PSU's are

running on their own separate PSU.