DPA Hydrophone 8011 Panduan Pengguna - Halaman 3
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The cartridge
The Hydrophone uses a piezoelectric crystal sensing element, which is
enclosed in a capsule so that it can withstand high pressure encountered
at depths of up to 50m without being damaged or suffering changes in its
performance characteristics. The sensing element gives the Hydrophone a
dynamic range of more than 100dB, so that even large fluctuations in the
SPL emitted from a sound source, or in the distance from the sound source
to the Hydrophone, will cause no distortion in the recorded audio signal.
The cable
The Hydrophone uses an integral cable with a robust and abrasion resistant
polyurethane jacket. The choice of materials allows the product to be used in
permanent installations immersed in water or ice over longer periods of time
without damaging the product or changing its specifications.
The preamplifier
The Type 8011 uses a built-in precision preamplifier, which remains
unaffected by temperature changes. The preamplifier is powered via a
standard P48 system and is equipped with a standard 3-pin XLR-connector
(see Fig. 1 for pin designation).
Important: For the Hydrophone to meet its specifications it must be
powered correctly.
2
Fig. 1. External view of the
output socket of the Type 8011.
User's Manual