Installation; Inputs - Ecler SAM614 Bedienungsanleitung

3. INSTALLATION

This unit has been specially designed to be placed in a standard 19" rack, taking up 1 height
unit. The SAM614 is very well suited to be operated by people with a low technical knowledge. This is
why its input sensitivity and tone controls are not easily accessible. Both adjustments should be
performed from the front panel with a small screwdriver
Two considerations must be taken into account when you look for the right location where to
put your SAM614: first, maximum user comfort and second, easy access to the back panel in order to
plug several different devices to and from the mixer.
Your SAM614 has a very low power consumption, so it does not need any fan cooling, but
you should avoid exposing the unit to very extreme temperatures and the atmosphere of the room
where it is located should be as dry and dust-free as possible.
Also, you should place the SAM614 away from noise sources (dimmers, motors, etc...), as
well as from the power cables.
The SAM614 operates under voltages between 90 and 264 V at 47 to 63 Hz. This device
features an over dimensioned power supply that adapts to the mains voltage in any country of the
world with no need to make any adjustments.
In order to protect the mixer from eventual overloads, the SAM614 is protected by a timered
power fuse (31) of 0.5A. If it gets blown up, you must replace it with an identical one. NEVER
REPLACE THE FUSE WITH ANOTHER ONE WITH A HIGHER VALUE.
CAUTION: Fuse substitutions have to be performed by a qualified technician.

4. INPUTS

The SAM614 Mixer accepts two different input signal types: MIC and stereo LINE
-Microphones: Channels 1 and 2 feature microphone inputs. Channels 3 and 4 also
include microphone inputs but may additionally be switched to LINE. XLR-3 connectors (21) are
used on all microphone inputs, which are prepared to accept a nominal input level of -45dBV (5.6
mV). These microphone inputs admit balanced operation. For that, it respects following connection
scheme:
Microphones should have a low impedance (200 to 600Ω) and be monophonic. For non-
balanced operation, Pin 3 must be shorted to ground.
-Stereo LINE inputs: These are placed on channels 5 and 6 as well as on channels 3 and
4, which have an input switch and can be used alternatively as microphone inputs. Compact disc
players, tape recorders, videos... should be connected to any stereo LINE input, which feature RCA
connectors. All these inputs accept line level signals ranging from -25 to +15dBV (56.2mV to 5.62V).
-Tuners and auxiliary devices: Any auxiliary device capable of delivering between 56.2mV
and 5.62V should be connected to a LINE input (23)
-Turntables CAN NOT BE CONNECTED directly to the SAM614, as none of the inputs has
a built-in RIAA preamplifier.
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