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TA-500 user manual
Setting higher gain does not change the maximum available power but changes the level of
signal input to achieve maximum power. In any case, provided that the input signal is less
than 20dBu/7.7V, the built in limiter circuit will prevent distortion within the amplifier.
The gain should be set to match the signal from the source, e.g. mixer, controller, or
Attenuation & Gain Setting
The front panel gain controls allow precise level settings, and may be used to adjust the
relative levels of sections of a large system, for example downfills or side seating cover in an
The front panel gain controls are also useful when initially checking a system after it has
been connected up.
Note that in BRIDGED mode only the Channel A control is active.
A Speakon NL4 connector is provided on each channel.
The T series amplifier outputs provide a high damping factor, typically 400 times at low
audio frequencies. This damping helps the amplifier to control the loudspeaker drive units,
provided that the resistance of the intervening cables and connectors is very low. The sonic
benefits of high damping factor are most pronounced at bass and low-midrange frequencies
(i.e. 10 to 600Hz) providing a subjectively tighter sound as a result of the improved
reproduction of transients.
Amplifier damping factor is degraded by high resistance in the loudspeaker circuits; i.e. thin
conductors, long output cable runs and tarnished, corroded or loose connections.
Damping factor is maximised by installing cables containing conductors of large cross-
sectional area, and by specifying connectors with heavy-duty contacts and waterproof
covers. The cable sets supplied with Aspect systems are manufactured to a high specification
with these considerations in mind.