Dynatech TD10000Q Kullanıcı Talimatları - Sayfa 11

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AMPLIFIER

Precautions

Introduction

The values for VPL are displayed as maximum Voltage

Peak. To translate Voltage Peak into Vrms, you must

divide the Voltage Peak values by 1.41(see table). The

VPL allows you to set the correct maximum output peak

power for optimum performance with the connected

speakers. The correct setting depends on the system

type and the specific load connected to the channel.

Since each channel can be configured to deliver either

very high voltage peak power or high current draw at low-

impendances, it is important to set the VPL correctly.

If you choose a lower VPL setting, you only reduce the

maximum output voltage. At the same time, this allows

more current headroom for low-impedance loads. The

amplifier thus runs at higher efficiency, with a

significantly reduced risk of going into thermal

protection.

Output Current Peak Limiter (CPL)

The Current Peak Limiter (CPL) ensures that the amplifier will not be damaged by forcing

the amplifier to deliver current levels to the outputs that exceed the physical limits of the

transistors. The CPL keeps the amplifier within the Safe Operating Area (SOA).

The CPL is non-adjustable and has different limit values depending on model type.

CPL activity is indicated by illumination of an red LED for each channel on the front panel.

A steadily illuminated orange CPL LED (with MUTE illuminated) indicates a short circuit

situation (or very low-impedance ). The output will mute for 6 seconds before measuring

the output impedance again. This will continue until the short circuit is fixed, at the same

time the output will automatically un-mute. An input signal must be present to allow

detection of short circuit or low-impedance conditions.



The problem can be solved by checking input and output cables and



examining the state of the loudspeaker load. If there is no short circuit

NOTE

present, then the condition may be rectified by lowering the VPL or input

levels.

Protection, faults and warnings

The TD-10000Q amplifier incorporates a sophisticated and comprehensive set of

protection features. Faults and warnings are indicated on the front panel.

TD10000Q

Front Panel

Rear Panel

Operation and Performance

V peak

141

118

100

Figure 10

V peak to Vrms table

V rms

100