Currently available @ $285/ea
(discount for orders of 10 or more)
Old Bird 21c upgrade to 2016 version (see 21c owners) - $50
(replace full interior of mic including mic element; also replace plastic & cloth covers)
Old Bird 21c check up and maintenance - $10
(replace plastic and cloth covers)
Knowles EK23132 microphone element with leads - $20
(replacement mic element for Old Bird 21c)
Knowles EK23029 microphone element with leads - $20
(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.