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Description
VELLEMAN K4301Pink Noise Generator Kit Overview A good pink noise generator and a spectrum analyser are indispensable if you want to analyse the acoustic properties of a room (usually a living room). Moreover, you also need a microphone with a frequency characteristic that is as linear as possible (from 20Hz to 20kHz). If you have an equaliser, then the response can not only be checked but also corrected. The kit is easily adapted to produce "white noise". Features
Pink Noise Generator Kit
Overview
A good pink noise generator and a spectrum analyser are indispensable if you want to analyse the acoustic properties of a room (usually a living room). Moreover, you also need a microphone with a frequency characteristic that is as linear as possible (from 20Hz to 20kHz). If you have an equaliser, then the response can not only be checked but also corrected. The kit is easily adapted to produce "white noise".
Features
Specification
- pseudo random digital noise
- regulator sliding length: 33 bit
- clock frequency: adjustable between 30 and 100kHz
- pink noise filter: 3dB / octave (20Hz to 20kHz)
- output voltage: 150mVrms
- output impedance: 1Kohm
- power supply: 9 - 12VAC or 12 - 15VDC / 5mA
- PCB dimensions: 72 x 43mm / 2.8 x 1.7"
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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.
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4.7 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 4
Sweet story
Format: Hardcover
Gave to a 9 year old grandson who has struggled with reading -- looked like a good choice. He seemed initially pleased.
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Reviewed in the United States on March 2, 2026
★★★★★ 5
Good book
Format: Hardcover
Kids love this series of books
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Great book!
Format: Hardcover
Such a cute book! Good for ages 2 and up.
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Reviewed in the United States on March 16, 2026
★★★★★ 5
Older picture books have better stories and hand drawn illustrations
Format: Paperback
Fun to read aloud, old-school, easy read by Diane DeGroat about classroom friendships, honesty, kindness, and fixing mistakes. K-2nd grade will enjoy.
So many of today’s children’s books lack depth, depend on dumb fart/poop jokes, are tied to tv shows/movies, or overfocus on moralizing and turning kids into little adults. Read for fun with your kids as often as you can! Check out children’s authors/illustrators from the 80’s and 90’s!
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Reviewed in the United States on February 26, 2026
★★★★★ 5
Entertaining and teaching book
Format: Paperback
I got this for Valentine’s Day for my 7 year-old grandson. I thought he’d enjoy the book as the title is funny, not “mushy.” He enjoyed reading the book to me, and I was pleasantly surprised to find a lesson on being kind.
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Reviewed in the United States on February 12, 2024