Set 10 bands spectrum analyzer audio with indicators IN13 / filter + 5 driver

Description

Set of 10 bands for the manufacture of a visual spectrum analyzer for 10 bands, on the indicators IN-13. / without body
Package Includes:
1 piece * 10 bands filter (board assembled and tested)
5 pieces * of drivers for IN-13 indicators (board assembled and tested) 5 blocks of 2 channels each in a block - 10 channels in total.
10 pieces * Indicator Nixie tube IN-13
Scheme blocks filter + drivers included.
The case is not included in the package, you need to make the case yourself !!!
The power supply unit 12B 3A, is not included in the package!
You only need to connect the filter unit with the drivers; connect the 10 IN-13 indicators to the drivers. All this needs to be done in the case of your taste, and you get a visual spectrum analyzer for 10 channels.
Channel separation frequency: 32 Hz, 64 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz, 4 kHz, 8 kHz and 16 kHz
The analyzer can be viewed in the video below.
If you have questions, you can write me a message, I will answer you for sure.
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Seller accepts Paypal only.
Winning bidders must pay within 2-3 days of auctions end.
Will combine shipping on multiple purchases, just request an invoice before you pay
Filter for spectrum analyzer 10 bands, examples of work
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10 band Audio Spectrum Analyzer with IN-13 tubes
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