TouchTone 4029 DIY Kit

Marsoni

M251S

$89.00

Get it in 3 business days with 1 day shipping. Friday, May 29

TouchTone 4029 DIY KitTouchDescription: TouchTone is a feedback amplifier system using all six inverters (inverting amplifiers) of a CMOS 4049 chip. Use the inverters in combined digital analog mode. Two pairs are used as variable frequency oscillators (lower and high frequencies) and third pair is used in mixed amplifying filtering oscillating (feedback) mode to play around with the existing pads all over the system. Combining touchable pads in various manners can bring

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Fast: 2-3 business days
Express: 1-2 business days

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
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The jacket has shoulder pads that don't necessarily show on the image in the purchase area. Pretty pronounced so if that's not your thing definitely stay away. Got lucky and it doesn't look too bad on me but it took so long to receive the package I don't feel like going through the refund process so I'm dealing with it. Quality is great tho

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Reviewed in the United States on January 23, 2024

Verified Purchase

Luis Chávez

Louisville, US

★★★★★ 5

Softness

Size: Medium, Color: A-red

High quality material !

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Reviewed in the United States on January 6, 2026

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T. Brown

Cuba, US

★★★★★ 3

Nice Coat Not So Great Packaging

Size: X-Small, Color: A-grey

Nice coat but packaging needs to be improved. It arrived not properly folded and as a result it was completely wrinkled. Took some work to iron so it looked as advertised. Packaging for such things has to be reviewed.

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Reviewed in the United States on April 20, 2025

Verified Purchase

One Happy Customer

Port Orchard, US

★★★★★ 5

Love the coat.

Size: Large, Color: A-navy

Coat looks and fits great. I ordered a black and was sent dark blue, other wise it looks awesome.

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Reviewed in the United States on October 31, 2023

Verified Purchase

noelia casidy

Bozeman, US

★★★★★ 5

Love

Size: X-Small, Color: A-grey

I got this coat for my boyfriend and I love it. It fits him perfectly and is very true to size. It is very comfortable and keeps him warm. He loves it. I would definitely recommend

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Reviewed in the United States on October 26, 2023