Etec PA1001 Instruction Manual

Power amplifier for driving an underwater loudspeaker and a high input impedance hydrophone amplifier in a suitcase with buildin batteries

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PA1001

Power amplifier for driving an underwater loudspeaker and a high input impedance hydrophone

amplifier in a suitcase with buildin batteries

This amplifier is designed for driving an underwater piezoceramic loudspeaker like the

Reson type TC2130 or eq.

The Amplifier is capable of driving 90volt peak to peak of signal power up to 300kHz in a capacitive load

of 10nF maximum with a caracteristic impedance of 100ohm.

It also contains a high input impedance hydrophone amplifier and an envelope or "click" detector for

monitoring, recording or listening.

The amplifier is supplied in a watertight suitcase with 4pcs.12volt batteries.

Operating time is appr.12hours on a set of fully charged batteries.

This amplifier is a stand alone unit with a power amplifier and a hydrophone reciever amplifier complete

with buildin envelope or "click" detector and batteries and charger supplied all together in a watertight

suitcase.

High impedance preamplifier input

suitable for piezoceramic transducers

like the Reson type TC4033 or eq.

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Page 1 PA1001 Power amplifier for driving an underwater loudspeaker and a high input impedance hydrophone amplifier in a suitcase with buildin batteries This amplifier is designed for driving an underwater piezoceramic loudspeaker like the Reson type TC2130 or eq. The Amplifier is capable of driving 90volt peak to peak of signal power up to 300kHz in a capacitive load of 10nF maximum with a caracteristic impedance of 100ohm.
Page 2 Noise measure bandwidth : 500Hz to 8KHz Cable lenght recommended max : 20 meter 10mAmp Loop for hydrophones with buildin current loop preamplifier like the etec 602 type. This is a two-wire low impedance transmission line carrying both the power supply for the preamplifier and the hydrophone returnsignal on the same two wires.
Page 3 like the Reson TC2130 or eq. Nominel load Impedance : 100 ohm or max. 10nF Output power level is +/- 24Volt peak in the STEREO position OR +/- 48Volt peak in the BRIDGE position. With the BRIDGE configuration the load must be connected to the left and right RED terminals thus forming a balanced floating output.