Aquatic AQ-AD300.2 Benutzerhandbuch - Seite 9

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CONNECTORS DEFINED (CONT.)

Input gain adjustment

A common misconception about gain adjustment on amplifiers is that "more gain =

more volume". Actually, it's not the volume that's being increased, but rather the ampli-

fier's sensitivity to the source input. By increasing the gain level, you're increasing how

sensitive the amplifier is to the signal it receives from the source unit. This is why it's

important to set the gain properly, rather than simply turning the knob until it's really

loud.

Gain allows the following nominal operating level adjustments:

Low level input (RCA line-in) - 250mv to 2.5V

High level input (speaker-in) - 500mv to 5V

These voltage levels can accommodate virtually any source unit, as well as just about

anything that has RCA or line-out style outputs.

Setting the gain too high in an attempt to get "more volume" can not only cause

premature distortion, but can also damage your speakers. If your system config

ration results in your gain control being set outside the typical range as indicated

above, call Aquatic AV to resolve the problem.

Crossover mode switch

This switch selects which range of frequencies that the built-in crossover will filter. Each

mode is equipped with 12dB per octave electronic filters for precise frequency attenua-

tion with minimal phase distortion. The options are as follows:

Low – low-pass – used when speaker outputs will drive subwoofers, or low

range speakers only.

High – high-pass (default) – used when speaker outputs will drive middle to

high range speakers only (recommended setting for full range speakers).

Full – full-range – used when speaker outputs will drive full range speakers

only. This by-passes and disables the crossover circuit.

crossover filter control will produce no effect in this mode.

USER GUIDE

www.aquaticav.com

Note: changing the