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Priezor

Priezor

$45.18

Original: $129.09

-65%
Priezor—

$129.09

$45.18

The Story

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Priezor is an open-source passive magneticĀ antenna for electromagnetic listening. It is very sensitive and capable of capturing faint atmospheric events in VLF radioĀ bands. Compared to regular Elektrosluch, it is less directional and focused, and therefore more useful in recording ambient electromagnetic fields, where the overall "sound of the place" is desired.

It is about 30dB (~31.6x) more sensitive than common pickup coils (measured at 1kHz). For recording VLF ("natural radio") sounds, it will perform best when paired with low-noise microphone preamplifier with at least 70 dB of gain (for example Sound Devices MixPre-3).

Custom-wound heptagonal magnetic antenna

Frequency response: 20 Hz – 90+ kHz
Antenna: 333 turns of 0.15mm enamelled copper wire
Loop resistance: ~300 Ī©
Loop inductance: Ā ~50 mH
Cable: 1.5m shielded high-flex microphone cable
Output:Ā XLR-3M balanced

Warning! Recordings contain many high frequencies which can damage your hearing when listening at loud volumes.

All recordings recorded are unprocessed and recorded with Sound Devices MixPre-6

Source files on Github

Licensed as CC NC-BY-SA
Designed by JonÔŔ Gruska
Made in EU

Priezor - Image 2

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Priezor - Image 3

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Priezor - Image 4

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Description

Want one? Sign-up for this mailing-list to stay informed about new batches.

Priezor is an open-source passive magneticĀ antenna for electromagnetic listening. It is very sensitive and capable of capturing faint atmospheric events in VLF radioĀ bands. Compared to regular Elektrosluch, it is less directional and focused, and therefore more useful in recording ambient electromagnetic fields, where the overall "sound of the place" is desired.

It is about 30dB (~31.6x) more sensitive than common pickup coils (measured at 1kHz). For recording VLF ("natural radio") sounds, it will perform best when paired with low-noise microphone preamplifier with at least 70 dB of gain (for example Sound Devices MixPre-3).

Custom-wound heptagonal magnetic antenna

Frequency response: 20 Hz – 90+ kHz
Antenna: 333 turns of 0.15mm enamelled copper wire
Loop resistance: ~300 Ī©
Loop inductance: Ā ~50 mH
Cable: 1.5m shielded high-flex microphone cable
Output:Ā XLR-3M balanced

Warning! Recordings contain many high frequencies which can damage your hearing when listening at loud volumes.

All recordings recorded are unprocessed and recorded with Sound Devices MixPre-6

Source files on Github

Licensed as CC NC-BY-SA
Designed by JonÔŔ Gruska
Made in EU