Doepfer A-101-6 Opto FET VCF/Phaser

Marsoni

M251S

$104.50

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

Doepfer A-101-6 Opto FET VCF/PhaserA 101 6 is a new filter module that uses so called "Opto FETs" to control the frequency. Opto Fets are similar in structure to Vactrols , but use is made of photosensitive field effect transistors ( FETs ) instead of photosensitive resistors (LDRs). Opto FETs incorporate a photosensitive FET and a light emitting diode in a common, light tight housing. The advantage over Vactrols is that Opto FETs are much faster than LDRs and thus very short attacks

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Well made good looking wallet lots of space and the magnetic cash retention is really strong. The RFID block doesn’t work at all, I put a security access card in multiple places in the wallet and it can read it from 4 inches away like it’s not even in a wallet. Great product just don’t expect good security coverage. Front pocket so harder for a bad actor to scan without you noticing but risk still there.

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Reviewed in the United States on January 9, 2026

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City shopper

Lowell, US

★★★★★ 5

It’s everything that is advertised.

Style: Front Pocket

It’s exactly as pictured. Bought it for my son. He loves it! Great quality leather. But, that Carhartt. Exceptional quality. Love the magnetic clip for cash. He’s a high school student. Now his ID, gifts cards , and cash are all centrally located. Instead of his pockets. Worth every penny! He wants me to order another one in case someone steals it. All his friends want one! Won’t let me give it 5 stars

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Reviewed in the United States on February 15, 2026

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Kody

Natrona Heights, US

★★★★★ 5

Carhartt bifold wallet

Style: Bi-fold

Solid wallet especially for the price. I have been very pleased by the quality and feel. Would recommend to anyone of need of a new wallet

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Reviewed in the United States on April 22, 2026

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Jessica Goodbar

Bozeman, US

★★★★★ 5

Genuinely the best out there

Style: Trifold

Wow! I am so impressed with the quality and size of this wallet. I searched hard for a genuine leather trifold and this one exceeded expectations. My boyfriend loves it and I can tell it is going to hold up. After he started wearing it in, the smell of the leather really came out. Im very happy with this choice!

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Reviewed in the United States on January 15, 2026

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Karen

Whiting, US

★★★★★ 5

Protection

Problems with copying the the protection plan.

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Reviewed in the United States on July 4, 2024