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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As the headpgone directly drives headphones some care should be given when choosing an op-amp, some op-amps are not suitable for such low impedance loads and will result in poor performance.

Absolutely recommend this shop for high quality audiophile equipment. Many virtual ground circuit options are presented in the various CMoy tutorials found online. Arduino Prototype uses all standard through-hole headphoe for easy construction, two of which are hidden underneath IC socket.

Big-time bass from your pocket.

Views Read Edit View history. It is standard CMoy schematic, non-inverting amplifier with gain We hand assemble each cMoyBB and tweak output power and bass boost for your equipment.


Best for most users. From Wikipedia, the free encyclopedia. The good news is this can easily be fixed by using a headphone amplifier power levels needed to power larger hifi headphones. Legendary, customized bass boost. It is an irreplaceable tool for troubleshooting and repairing electronic equipment by determining performance and health of electrolytic capacitors.

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

CMoy – Wikipedia

Power System cMoyBB handles more than twice the voltage of most cMoys and supports dual rail splitters. Great, sturdy little powerhouse. A technical summary ships with each custom cMoyBB. You can control lights, fans, AC system, computer, printer, amplifier, robots, garage door, security systems, motor-driven curtains, motorized window blinds, door locks, sprinklers, motorized projection screens and anything else you can think of.

Just gonna hang out in my office with headphones all night.

How to Build the CMoy Pocket Amplifier

Chu Moy headphone amplifier”. No matter where in the world you are, these guys will take great care of you.

It is a very useful bench test equipment for testing and finding out the frequency of various devices with unknown frequency such as oscillators, radio receivers, transmitters, function generators, crystals, etc. CMoy is very simple portable headphone amplifier.

How to Build the CMoy Pocket Amplifier

In this case it is necessary use also two electrolytic capacitors C1a and C1b. Power is supplied to the opamps anp a dual power supply, which effectively divides the input voltage source in half to create a virtual ground.


You may choose between two tin styles: The output waveforms can be both amplitude and frequency modulated. We now offer a low impedance version that aml highly recommend if you are using headphones under 75ohms. This version comes with a JRC op amp and 4X Gain setting better suited for use with lower impedance headphones.

NJM op amp, features exceptionally low noise and distortion values.

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. In my post you can find my experience with creating this simple but very good amplifier. They are absolutely exemplary in quality.

Kudos to jdslabs – not only are their products breathtakingly good. Killer amp and DAC!