Bladelius GRENDEL Gebrauchsanweisung & Installationshandbuch - Seite 7

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For shelf-mount installations of the Grendel amplifier, we recommend that you

do not place equipment on top of the amplifier. Leave at least 2 to 3 inches (5

to 7.5 cm) on all sides of the amplifier so that the Grendel amplifier achieves

adequate airflow. We strongly recommend that you do not block the side, top,

back and front, airflow vents.

Since its power transformer generates a significant magnetic hum field, a

turntable (especially one with a magnetic pick-up cartridge) or a television

should not be located adjacent to, directly above, or below the amplifier.

Installation

(Electrical)

Speaker Hook-up:

This amplifier is equipped with special high-current, binding-post speaker

terminals to handle the highest peak-power levels that may occur with low-

impedance speakers. At moments when the amplifier is producing maximum

power, voltages of over 100V may be present on the speaker terminals, so

plastic covers protect the terminals. To connect loudspeaker cables, first

switch off the amplifier's power by disconnecting the AC-power cord from the

wall outlet.

Connect the wires from one of your speakers to the "RED" and "WHITE"

terminals on the rear panel of the Grendel amplifier. In each channel, the red

terminal is the positive "+" output, and the black terminal is the negative "-" or

"ground" terminal.

Use heavy-duty, high quality speaker cable. Bare wires can be connected

directly to the binding-post terminals. For a longer lasting and more corrosion

resistant connection, you may install speaker cables with gold-plated

connectors (spade or banana plugs), or you can install such connectors on

the wires yourself. Connections to each binding post may be made in the

three ways described below.

1. Banana plugs: A banana plug is a metal shaft that is crimped or soldered

onto the end of a wire. The threaded shaft of each binding post contains an

opening that accepts pin connectors up to 4mm in diameter. Insert the

banana plug in the hole until it is tight.

2. Spade lugs: Unscrew the plastic bushing, insert the U-shaped spade lug

into the oblong gap and tighten the bushing down on it.

3. Bare wires: Separate the two conductors of the cord (if they are supplied as

a pair), and strip off a half-inch (1cm) of insulation from each. In each

conductor, twist together the exposed wire strands. Unscrew the plastic

bushings for "+" and "-", insert the bare wire through the hole in the metal

shaft, and tighten the plastic bushing until it grasps the wire securely (see

Figure 2). Check to be sure that no loose strand of wire is touching the

chassis or an adjacent terminal. Re-tighten the bushing after a week or so

to make sure that any play that may have developed is eliminated.