Ashly TRA-2150 Manuel d'utilisation - Page 7

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Operator Manual – TRA Series Amplifiers

Typical Applications

TRA-Series amplifiers offer many output options. In this illustration, the 4-channel

amplifier is receiving two stereo signals and is driving two pairs of stereo speakers.

TRA-Series amplifiers are specifically designed to drive transformer isolated 25V, 70V,

or 100V constant voltage (CV) lines. This illustration example shows a 4 channel TRA

driving a 70V CV line and 25V line (with two channels still available). Always make sure

that the total wattage draw from all the speakers on a CV line does not exceed the rated

output of the channel to which they are connected.

Connectors & Polarity

TRA-Series amplifiers utilize professional euroblock audio connectors. For the inputs, 3-

pin Euroblock connectors are utilized with their polarity clearly marked on the amplifier's

rear panel. Outputs are also euroblock connectors, with polarity clearly marked on the

chassis.

NOTE: It is possible to simultaneously drive loads connected to the 8/4 ohm output

AND the 25/70/100 volt outputs of a particular amplifier channel. However, care must

be taken to ensure that the combined load is not less that the 4 ohm maximum. If you

are unsure as to how to determine the combined load, please contact Ashly.

Inputs From Source

70/(100)V

CV Wiring

25V CV

Wiring

Page - 7

Important Safety

Instructions – 2

Introduction - 3

The TRA Series - 4

Physical Description - 5

Installation – 6

Requirements

Typical Applications

Connectors & Polarity

Operation - 8

Troubleshooting - 9

Spec Table - 10

Dimensions - 11

Warranty - 12