The Grace Design Lunatec V3 preamplifier
Dual channel to 250kHz

Grace Design microphone preamplifiers are scientific-instrumentation-quality devices at pro audio prices.
The Lunatec V3 is the perfect device for digitizing stereo hydrophone signals up to 85kHz or
boosting the gain for line level, low noise recordings using
our Cetacean Research™ C54XRS hydrophone.

Also see the Grace Design Model 101 preamplifier.

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