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Old Bird 21c

Microphone for monitoring avian nocturnal flight calls

Currently available ($285 plus shipping)

Contact Bill (ear2sky at oldbird dot org)

 

ALSO available

Old Bird 21c upgrade (from pre2017 model) - $80

(replace bucket, interior base, pyramid & mic element - includes replacement of plastic & cloth covers)

 

Old Bird 21c check up and maintenance - $20

(replace plastic and cloth covers)

 

Knowles EK23132 microphone element with leads - $25

(replacement mic element for Old Bird 21c)

 

Knowles EK23029 microphone element with leads - $25

(replacement mic element for home-made "flowerpot" microphones)

 

 

Contact Bill at ear2sky at oldbird dot org to make purchase and shipping arrangements.

Payment can be made via personal check or PayPal.