bit crusher pedal Electro-Harmonix Mainframe Bit Crusher
SKU: 42788300931
bit crusher pedal

bit crusher pedal Electro-Harmonix Mainframe Bit Crusher

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Description

bit crusher pedal Electro-Harmonix Mainframe Bit CrusherMaker: Electro Harmonix Model: Mainframe Condition: New Description: Buzz. Beep and bloop. Were high on the lo fi sounds of old school games, toys and terminals and the Mainframe Bit Crusher takes us back in time to when Pac Man and Donkey Kong ruled the arcades, to when the Commodore 64 was high tech. It provides sample rate reduction ranging from 48kHz to 110Hz. A little background the sample rate is the number of times per second that a sample or

Maker: Electro-Harmonix

Model: Mainframe

Condition: New

 

Description:

Buzz. Beep and bloop. We’re high on the lo-fi sounds of “old-school” games, toys and terminals and the Mainframe Bit Crusher takes us back in time to when Pac Man and Donkey Kong ruled the arcades, to when the Commodore 64 was high tech.

It provides sample rate reduction ranging from 48kHz to 110Hz. A little background… the sample rate is the number of times per second that a sample or snapshot of an analog signal is taken. For example, CDs (remember them?) had a sample rate of 44.1kHz which means that the original analog signal is sampled 44,100 times per second.

The sample rate defines the frequency range that can be reproduced while maintaining good fidelity. When the sample rate is reduced the quality of the audio is degraded and aliasing occurs. Aliasing means audible artifacts created when higher frequencies are sampled at an inadequate rate and the result is distortion. The Mainframe’s sample rate range is wide enough to take you from sounds that are quite pristine to sounds that are unrecognizable when compared to the input signal.

It also provides bit crushing ranging from 24-bit to 1-bit. What does that mean? Bit crushing is bit depth reduction. Back to our CD example… CDs used a 16-bit bit depth meaning that each of its samples was represented by 16-bits of information. Higher bit depths can accurately represent a greater dynamic range while bit crushing increases the number of sampling errors and creatively degrades the sound to bring us back to those nasty “old school” sounds we love.

The Mainframe’s selectable High/Low/Band-Pass filter lets the user shape the artifacts of the bit crushing and sample rate. Another very cool feature is its Sample Rate Tuning Mode where the pedal analyzes your input signal in real-time and sets the sample rate to match the pitch of your signal, or a set interval above your signal. This allows you to set the sample rate to match the key of a song, or it will continually adjust the sample rate based on what you play!

QUICK SPECS:
• Sample Rate Reduction ranging from 48kHz to 110Hz
• Bit Depth Reduction ranging from 24-bit to 1-bit
• Selectable High/Low/Band-Pass filter to shape the artifacts of the bit crushing and sample rate reduction
• Sample Rate Tuning Mode allows you to set the sample rate to match the key of a song, or continually adjust the sample rate based on what you play on your instrument
• Programmable preset or expression pedal setting allows you to save your sound or control any combination of the Mainframe’s knobs with an external expression pedal
• Secondary knob parameters allow you to fine-tune the Mainframe’s effect.
• High quality buffered bypass and silent switching
• Comes equipped with an Electro-Harmonix 9.6DC-200mA PSU
    Shipping Notes
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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]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 42788300931

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    J
    Verified Purchase
    JAN
    Charlottesville, US
    ★★★★★ 5
    Excellent resource for students
    Format: Paperback
    The practice tests are extremely helpful and are easy to implement in our study schedule.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on August 14, 2024
    A
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    Anonymous
    Lowell, US
    ★★★★★ 5
    Great practice
    Format: Paperback
    Excellent complement to the Foundations book
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on August 26, 2024
    E
    Verified Purchase
    Erik
    Alexandria, US
    ★★★★★ 5
    This is the book you are looking for.
    Format: Paperback, Format: Paperback
    After searching through about four different vocab books, I finally found one I can truly vouch for: Robert's Extremely Nerdy Guide to Digital SAT Vocabulary. Robert is actually my daughter’s SAT tutor and recommended this book. At the time, my daughter had almost given up on the vocab portion of the SAT—there were only 7 weeks left to the test date (we’re now down to just 2 weeks). Honestly, what can you achieve in that short time? Still, I decided to buy it—what did we have to lose? Because I’d already gone through so many SAT vocab books, I knew a good one when I saw it. Just flipping through the first few pages convinced me this was the right fit, and my daughter immediately got to work. The book starts with 6 sections on word roots, then moves into 26 sections of similar-meaning words. Each chapter includes a matching activity (which my daughter finds essential for retention) and ends with SAT-style practice questions. Since using this book, she spends much more time memorizing and testing words. I only wish we had discovered it earlier so she could have had more time to digest and apply what she’s learning. Before this, she was getting about 50% of vocab questions right on a good day; now, after just over a month with this book, she’s averaging 80–90%. As a side note, I’m not a native English speaker, and I’ve also learned so many words by reviewing her answers. Almost every word I’ve come across in the past and thought, “I should look this up someday” seems to be in this book—a testament to why the SAT brought vocabulary back for the digital test. This book has served my family extremely well, and I plan to start my youngest child on it earlier. Get this book, and start early.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on September 28, 2025
    J
    Verified Purchase
    John M McDowell
    Boise, US
    ★★★★★ 5
    Fantastic categories for SAT vocab
    Robert’s vocab book has been a fantastic addition to my tutoring resources. My students love the ease of progression through the short chapters. It is helping tremendously with vocabulary comprehension in addition to his mock tests.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 29, 2025
    S
    Verified Purchase
    Sinai J. Flottman
    Chelsea, US
    ★★★★★ 5
    Look no further.
    Format: Kindle, Format: Kindle
    After searching through about four different vocab books, I finally found one I can truly vouch for: Robert's Extremely Nerdy Guide to Digital SAT Vocabulary. Robert is actually my daughter’s SAT tutor and recommended this book. At the time, my daughter had almost given up on the vocab portion of the SAT—there were only 7 weeks left before her test date (we’re now down to just 2 ½ weeks). Honestly, what can you achieve in that short time? Still, I decided to buy it—what did we have to lose? Because I’d already gone through so many SAT vocab books, I knew a good one when I saw it. Just flipping through the first few pages convinced me this was the right fit, and my daughter immediately got to work. The book starts with 6 sections on word roots, then moves into 26 sections of similar-meaning words. Each chapter includes a matching activity (which my daughter finds essential for retention) and ends with SAT-style practice questions. Since using this book, she spends much more time memorizing and testing words. I only wish we had discovered it earlier so she could have had more time to digest and apply what she’s learning. Before this, she was getting about 50% of vocab questions right on a good day; now, after just over a month with this book, she’s averaging 80–90%. As a side note, I’m not a native English speaker, and I’ve also learned so many words by reviewing her answers. Almost every word I’ve come across in the past and thought, “I should look this up someday” seems to be in this book—a testament to why the SAT brought vocabulary back for the digital test. This book has served my family extremely well, and I plan to start my youngest child on it earlier. Get this book, and start early.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on September 27, 2025

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