Doepfer A-147-4v Dual Voltage-Controlled Low Frequency Oscillator

Doepfer A-147-4v Dual Voltage-Controlled Low Frequency Oscillator

Marsoni

M251S

$169.50

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

Doepfer A-147-4v Dual Voltage-Controlled Low Frequency OscillatorA 147 4 is a dual voltage controlled LFO, each with triangle, sine, rising & falling sawtooths, as well as rectangle waveforms. The pulsewidth of the rectangle can be controlled manually or modulated via control voltage. The waveforms are converted from a core triangle waveform. By means of a jumper the basic frequency range of each LFO can selected: about 0. 02 Hz (~ 50 seconds) 2. 5kHz or about 0. 0017 Hz(~ 600 seconds) 220Hz. That way each LFO can

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Reviewed in the United States on May 22, 2026

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waltS

Bozeman, US

★★★★★ 5

Solid edger for the price!

Easy to assemble and works well for my needs edging the driveway and sidewalk! Reasonable price and seems fairly well made so far! I’ve only used it a couple of times but does the job well!

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Reviewed in the United States on May 31, 2026

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Debbie Hagney

Battle Creek, US

★★★★★ 5

Came fast!

Works great ! I love it!!!

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Reviewed in the United States on June 5, 2026

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Katy

Charlottesville, US

★★★★★ 4

Great Yard Helper!

So easy to use and affordable! This edger is a great time saver, easy to operate, and relatively easy to adjust although you may need a pliers or screwdriver to help with the adjustment levels, but its not difficult. I would have given this 5 stars but just one thing that is a sticking point for me is I wish this had its own stand or hanger because of its odd shape, it doesn't necessarily balance upright too well. It’s long and the guide wheel in the front sticks out. So, it is always awkward to get it tidy in the garage when not in use. Now maybe this is what it's like for landscapers…I’m not a professional. Just a homeowner doing my own upkeep. With what this costs, I’ll figure it out, and is worth the money.

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Reviewed in the United States on December 30, 2024

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Texas Gal

Bozeman, US

★★★★★ 5

First use was great!

I've used it just the one time today. I had previously "edged" with a string weedwhacker, so while the grass was cut back some, there wasn't a trench dug out. I did a gentle push and pull, taking on about 18" at a time to get a new trench dug next to the sidewalk edge. It did a great job! The entire unit was much heavier and sturdy looking than I was afraid it would be for the price, so pleasantly surprised. Assembly wasn't complicated, but it did take two of us to hold it steady because getting the screws to seat in the square hole and not have the cord in the way was a bit tricky. I'm a 70+ lady, not large and not athletic, but I was able to handle this edger with ease. Now, to see how long it lasts!

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Reviewed in the United States on July 11, 2025