Buchla 291 vari-bandwidth bandpass filter
https://www.nonlinearcircuits.com/modules/bbx291
If you had an Unicorn Account you could see a chart with the price development of this module and the average price asked for this module.
pro built
*Mint
like new
I accept Paypal ,buyer pay PP fees if need
no warranty.
I have uploaded some images of the real module to a photo site like Imgur to embed them here.
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