Expert Sleepers ES-7 Input Expander

Marsoni

M251S

$149.00

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

Expert Sleepers ES-7 Input ExpanderThe Expert Sleepers ES 7 is a 4HP CV input expansion module for their ES 4 and ES 6 synthesizers. When used with the ES 4, its inputs are located in the ES 4s S PDIF output. With the ES 6, the modules inputs act as the two final channels of the ES 6s lightpipe out. Features: Digital I O: connection from ES 4 or ES 6 module Analogue inputs: 2x 3. 5mm jacks, DC coupled Input voltage range: 10V Input impedance: effectively infinite (FET buffer) A D

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An engaging and accessible exploration of how computers really work. The author breaks down complex concepts into simple, relatable explanations, making topics like binary, logic gates, and basic circuits far less intimidating. For newcomers, it’s a great way to build a foundational understanding of computer theory with just a touch of electrical engineering. As someone with a technical background, I still found it entertaining; the examples and analogies added fresh ways to frame ideas I already knew. It’s the kind of book that can bridge the gap between “I use computers” and “I understand what’s happening under the hood.” Highly recommended for anyone curious about what makes hardware and software tick, whether you’re starting from scratch or just want a new perspective.

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Reviewed in the United States on August 19, 2025

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Peter

Cuba, US

★★★★★ 5

CODE is the book you should get.

Format: Paperback

The best book to enter the field. Grateful that Charles Petzold decided to write it, even happier this was one of the first books I picked up. Recommend to everyone wanting to become a programmer, or just interested in computers.

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Reviewed in the United States on January 12, 2026