Absolare Push-Pull Manuale d'uso - Pagina 9

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5. Connecting the Cables

5.1. Power cables

AC power input is via a standard IEC inlet socket. Operating voltage must only be

changed by an authorized service agent.

The quality of the power cable will affect the sound quality accordingly.

5.2. Signal Cables

RCA only version has only one RCA input connector.

Balanced (XLR) version has both RCA and XLR input connectors. There is a

selector switch (marked as

) that lets you connect desired input.

SEL

switch at

setting lets you by-pass the 4:1 input transformer. When the

GAIN

HIGH

input transformer is by-passed, the sound level will increase due to level differences

of balanced and unbalanced connection standards, but you lose true balanced input

features and the system may become more susceptible to noise. This setting is

supplied to connect unbalanced XLR preamplifier outputs. Preamplifiers with true

balanced XLR outputs should be matched at the

gain setting.

LOW

5.3. Speaker Cables

Speaker binding posts can handle spade lugs, banana plugs or bare wire.

Polyethylene knobs are chosen instead of metal ones to reduce extra conductor

mass and eddy currents. Do not overtight them, the higher friction of the

polyethylene should safely secure the cables in place.

There are two impedance options for speaker connection. You should use the

closest matching output with your speaker manufacturer's recommended value.

Since the output is transformer coupled, there is no output power difference when

using 4 or 8Ω speakers.

Always use a combination of either 0 + 4Ω, or 0 +8Ω binding posts. NEVER connect

speaker cables in a combination of 4Ω + 8Ω terminals.

ABSOLARE Push-Pull Mono Amplifier User Manual 1.2