Bass Boost. JDS Labs’s success is due to cMoyBB’s legendary bass boost switch. Switched off, your original audio signal is amplified. Switched on, bass. On a shoestring budget for an amplifier to boost the sound quality from your high- end headphones? The CMoy headphone amplifier is your. The CMoy headphone amp is a popular headphone amplifier that is small enough to carry everyday and powerful enough to drive headphones at higher levels.

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By using this site, you agree to the Terms of Use and Privacy Policy. Headphone amplifier is small enough to fit in Altoids tin box, and thanks to map power consumption may be supplied from a single 9V battery.

Switched on, bass increases up to 9. In this case it is necessary use also two electrolytic capacitors C1a headphkne C1b. It can be connected to any type of stereo audio source such as headphon, Computer, Laptop, CD Player, Walkman, Television, Satellite Receiver, Tape Deck or other stereo system to transmit stereo sound with excellent clarity throughout your home, office, yard or camp ground.

It really opens the soundstage and makes audio fuller with my AKG s.

The circuit includes an auto ranging as well as reset switch and produces very accurate and stable readings. Firts possibility is use passive voltage divider, consist of two resistors R1a and R1b.

Few months ago I decided built this amplifier also.

CMOY Headphone Amplifier

headphon Retrieved from ” https: A technical summary ships with each custom cMoyBB. Optional charging support also provides convenient, integrated 9V NiMH battery charging. The output waveforms can be both amplitude and frequency modulated. I’ll be back for any possible audio needs” Daniel W. Power is supplied to the opamps using a dual power supply, which effectively divides the input voltage source in half to create a virtual ground.


Ideal for headohone use of most headphones. First of all I prepared the schematic.

It consists of only a few components, can be assembled on a small section of protoboardhas a lower parts cost than other headphone amplifiers, and can run for many hours on a single 9 volt battery.

Great, sturdy little powerhouse. The meter is a perfect addition to any power supply, battery chargers and other electronic projects where voltage and current must be monitored. Views Read Edit View history.

How to Build the CMoy Pocket Amplifier

Audio amplifiers Sound technology stubs. It is a very useful bench test equipment for testing ampp finding out the frequency of various devices with unknown frequency such as oscillators, radio receivers, transmitters, function generators, crystals, etc. Chu Moy headphone amplifier”.

The power supply is making virtual ground half of supply voltage. Smooth and effortless reproduction of all the frequencies with tons of power on tap.

As a result plugging hifi headphones directly into these devices will yield underwhelming, flat-sounding audio.

CMOY Headphone Amplifier — Lucid Labs

This sound technology article is a stub. These high-quality, Japanese made potentiometers feature smooth, noise free operation. Specify your headphones during checkout and we’ll optimize gain, bass boost, and output power headphonw best performance with your headphones. NJM op amp, features exceptionally low noise and distortion values.

Killer amp and DAC! Features of the cMoyBB v2. The amplifier was originally posted by Chu Moy on headwize. It is standard CMoy schematic, non-inverting amplifier with gain Many virtual ground circuit options are presented in the various CMoy tutorials found online.


How to Build the CMoy Pocket Amplifier

Please see our article Power is Volume for more information. Why use a headphone amplifier? This version comes with a JRC op amp and 4X Gain setting better suited for use with lower impedance headphones.

Older cMoys use thin wires or protoboard to transfer audio signals. All our amps and dacs are covered by a 2-year transferrable warranty. The headphone amplifier is designed around single or dual-channel op-amps such as Burr-Brown ‘s OPA or OPAPA, however, a wide variety of op-amps have been successfully implemented. Legendary, customized bass boost.

I had mine customized as well. They are absolutely exemplary in quality. Their customer service and support is equally awesome. Absolutely recommend this shop for high quality audiophile equipment.

Glad my apm led me to this small company with reasonable pricing, solid products. Looks great and sounds even better! Simply specify your headphones during checkout.

My new cMoyBB head amp just arrived! Higher voltage enables higher volumes for high impedance headphones Rechargeable, 1×9: In my post you can find my experience with creating this simple but very good amplifier. Does not charge batteries. It’s small, power efficient, yet customizable through onboard 2 x 7 perfboard that can be used for connecting various sensors and connectors. Using a headphone amplifier will not only allow you to listen at increased volume levels but will provide you with much more dynamic, full sounding audio.

Does not charge battery.

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