Ambient ASF-2 MKII

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Ambient ASF-2 MKII

Ambient

ASF-2 MKII

5 Expert Rating

Product Info

Article Number: 586782
Brand: Ambient
Model: ASF-2 MKII
Price: $592.90

* Prices may vary. Check retailer for current pricing and availability.

The ASF-2 MKII is a seriously impressive hydrophone for capturing high-quality underwater audio. It’s a premium-priced tool ideal for marine biologists, documentary filmmakers, or anyone needing a reliable and compact underwater microphone for clear recordings, but be mindful of the frequency limitations.

Product Description

  • Ambient ASF-2 MKII
  • Underwater Microphone
  • Small hydrophone
  • For high-quality underwater audio recordings
  • Polar pattern: Omnidirectional
  • Frequency range: 70 - 20
  • 000 Hz
  • Total harmonic distortion: 0.1% (70 - 20
  • 000 Hz)
  • Power consumption: 5 mA
  • Material: Anodised saltwater-resistant aluminium
  • Capsule material: specially formulated NBR
  • Requires 48V phantom power
  • Cable length / max. depth: 10 m
  • Dimensions: (L x W x H) 47 x 30 x 30 mm (without cable)
  • Weight: 50 g (without cable)
PROS
  • • Excellent NBR capsule delivers remarkably clean, low-distortion audio.
  • • Saltwater-resistant anodized aluminum housing provides robust durability.
  • • Compact size and light weight (50g) simplifies underwater deployment.
  • • Omnidirectional pickup captures natural soundscapes without directional bias.
CONS
  • • Limited frequency response below 70Hz restricts deep underwater recordings.
  • • Requires 48V phantom power, necessitating compatible equipment.
  • • Cable length (10m) may be insufficient for deeper or wider recordings.

Product Video

Key Features

Mic Type Condenser
Polar Pattern Omnidirectional
Frequency Range 70 Hz - 20,000 Hz
Connector BNC
Weight 50 g

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Frequently Asked Questions

NBR offers a great balance of durability and sensitivity in saltwater environments, minimizing distortion compared to cheaper rubber or plastic alternatives.
While 10m is adequate for shallow dives or close-range recording, deeper or wider environments will likely require an extension cable, which can impact signal quality.
A clean, low-noise preamp with ample headroom is crucial to avoid adding unwanted artifacts to the already pristine underwater signal.

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