Notch Filter - Used From Other

An efficient and powerful tool for a wide range of creative and corrective equalization applications. In Used, Very Good condition. The Left Rack Ear (lower corner) has minor damage, shown in photos. Does not affect rackability.

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Sound Pure's dedication to pre-owned products is unprecedented in the industry. We are a small team of dedicated experts that buys, trades, and consigns. We are trusted by customers all over the world. Our curated collection, is thoroughly tested and inspected by some of the best in the business. Our inventory is constantly changing, ever-evolving, with some items sold before reaching the website. Looking for something specific? Have questions about this product's condition or history? Want more photos, or to simply chat with an expert who's had his hands on this actual piece? Contact us now.

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Manufacturer's Description from Other

Full parametric operation with no interaction between parameters.
True infinite-depth notch filtering (made possible by the 642B’s constant-Q design).
Each band is continuously tunable over a frequency range exceeding 20:1.
Tuning ranges of bands overlap significantly to maximize versatility.
Verniers on the FREQUENCY controls facilitate fast, precise tuning of sharp notches.
+16dB boost to infinite cut (~45dB typical) available in each band.
Bandwidth can be varied from a broad (Q = 0.29) curve to a sharp (Q = 5.0) curve.
Dual 4-band or mono 8-band configuration can be selected with the front-panel cascade button.
Continuously tunable 18dB/octave high-pass filters and 12dB/octave proprietary Automatic Sliding Besselworth™ low-pass filters provide full flexibility while retaining maximum musicality.
Noise and distortion specs are significantly better than 16-bit digital.
Overload lamps warn of overload when the output of any internal amplifier is within 1dB of its clipping level.
Extensive RF suppression on input, output, and power leads.

About Manufacturer

Here at Sound Pure we hand-select used and vintage pieces of gear for our inventory. Our used selection always reflects the high standards of quality and craftsmanship that we expect from all of our manufacturers. We are a small team of dedicated experts, located in Durham, NC. We buy, trade, and consign instruments that we truly believe in. Because of this, we have developed a reputation of quality and trust with our customers, located all over the world. Our best customers are the ones that truly understand our personal touch and commitment to everything we sell, and range from hobbyists and enthusiasts to some of the biggest names in the business. Our passion bridges the products we love with the real relationships we develop with our customer - whether they are a lifelong musician, or they are just getting started on their musical journey but care about value, quality, and being treated right.

We vigorously test everything we take in to ensure authenticity, functionality, and reliability. We are supported by one of the most well-respected luthiers in the Southeast, guaranteeing products that come in are thoroughly vetted, and that products that go out our in premium, performance- ready shape. We are so confident in our ability to provide the highest quality music equipment in the industry, we even invented our “Try Before You Buy” program where we can ship out a product before collecting actual payment.

Sound Pure's inventory is constantly changing, ever-evolving, with some items sold before reaching the website. Looking for something specific? Have questions about this product's condition or history? Want more photos, or to simply chat with an expert who's had his hands on this actual piece of gear? It is truly our pleasure to talk with our customers, please do contact us now.