DOCtron IMC5 Handleiding voor installatie en gebruik - Pagina 6

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Features and functions of the series

 Table Switching Power Supply

 Closed / Splash proof

 Low standby consumption

 Compact construction

 Overload and short circuit proof

 EU CoC V5 Tier 2 / EnergyStar DOE VI

Power Supply Specifications:

 Input voltage: 90 - 264 V AC / 47 - 63 Hz

 Power: 60W

 Efficiency: DOE VI

 Idle input: <0.15 W

 Isolation: 3000 V AC / 1 min

 Overcurrent protection: short-circuit protection

 Overvoltage protection: 120%

 Output: 24 V DC / 0 - 2.5 A

 Ripple: 350 mVpp

 Weight: 320g

Input and output sockets:

The audio connections are made via 6,3mm

jack sockets.

In fact they are "stereo"-jacks, so that

symmetrical cables/jacks also could be used. In

this case the negative Signal (RING) will be

grounded.

IMC5 works internally unbalanced. The

problem here is often ground and ground loops

resulting from multiple shielding. In a stereo

connection thus two (parallel) masses are

present. In order to avoid ground loops at this

point, there are in each case a jumper "GL" on

the board for the left and the right input. If you

remove this jumper, the ground of the assigned input is disconnected. The cables are shielded via

the upstream device. Thus you can avoid ground loops at the entrance.

Note: You should always first separate only one channel from the ground. A missing ground

connection is definitely buzzing louder than a ground loop!

In fact it is more simple to lift ground at an input or output-cable than opening the unit.

A ground-lift jumper is not provided at the outputs. For testing, the use of a ground-free

intermediate plug is recommended.

Simply insert the adapter between Output-Left (or Right) and the following device.

The adapter reliably disconnects the ground to the subsequent connection.

IMC5

Figure 2: groundlift jumper (GL)