The atom has great reach in extension down low and up high. It uses velour pads, so if you want the bass thunder, just get some normal foam hm5 pads. Connect an audio player to the source jack using a 3. It absolutely needs an amp to be loud enough with all playback files. Our amplifiers and dacs are backed by a 2year warranty. I think the best pcb i have seen is the jds labs bass boost cmoy one. Bass boost cmoy headphones amplifier in an altoids tin. Big shoutout to jds labs for sending me this unit for demo. The nano just has much more bass and sounds much more fuller than the classic, which in comparison sounds almost tinny. Up for sale are my beloved beyerdynamic headphones. Jds labs 02 portable amplifier the benchmark headfonics. Biweekly headphoneampdac purchase help post 201212 self.
If assuming that the hippo box shares common sound signature and power of hippo amp then the jds labs cmoy definitely beats it. The rolled off treble on the 650 definitely brings the bass forward, and the muddiness of the signature helps boost the impact more rumble. Jds labs has also included a bass boost feature hence the bb in the name which is enabled via a small slider switch on the board. Any opinionscomments are much appreciated, thanks a lot. We design, manufacture, and ship from our 8000 ft2 facility just east of st. Im considering either the aphex headpod4, or the objective2 by jds labs.
Sometimes the suggestions are valid, were not all trying to show off. Proprietary software was used during design of the pcb to check for proper impedance. Jds labs headphone amp and bass booster, all built into a discrete altoids tin. The use of a 47k potentiometer is also not ideal as it will have much higher johnson noise than a 10k pot wouldbut with no gain that doesnt matter much. Some might remember i mentioned i was having a go at building one in another thread where i built a couple of basic ones tonight finally got the result i was looking for quite a steep learning curve as ive not really touched electronics in any real way since dropping out of electrical engineering 15 odd years ago and id chosen the ad8066 op amp early on which being a high speed ic cant. Unsuspecting altoids bass booster for your headphones. Jds labs odac is meant to be paired with the objective 2. Jds labs cmoybb altoids headphone amp bass booster. However, i have saw jds labs done the excellent bass boost feature with their cmoy bb v2. Jds has created what he calls the cmoybb, which is very simply, a cmoy with bass boost. The cmoy amplifier is a high quality, small but powerful portable amp, that has an excellent reputation for offering very high quality sound. Buy headphones, amps with a premium service including free shipping and no tax.
Make sure this fits by entering your model number a highperformance portable headphone amplifier featuring digital volume control, bass boost, dual gain, and up to 14 hour battery run time. Switched off, your original audio signal is amplified. I tried out some software that is gaining some popularity in studios that auto eqs headphones. Standard featuresalps rk097 volume control and onoff switch bass boost toggle switch dc auxiliary power jack automatic onoff senses headphone cord texas instruments opa2227 opamp in goldplated dip socket texas instruments tle2426 precision virtual ground 2x optional. Would recommend this to anybody looking for awesome sound from your cans. The external dc jack can be used to power the amplifier, however it does not charge battery. Deesee dayton audio deco gear donner eeekit esynic fxaudio factory buyouts fiio galaxy audio generic hercules hifiman indigo indigo jds labs jk audio joyo julyfox kat percussion kjb kkmoon kokkia krk systems klipsch knox knox gear line5. Product title indigo portable headphone amplifier w. Jds labs cmoy bb retails for around r600 but the increase in volume and quality is like night and day. I use my old iphone 3gs as a dap with a cmoy amp made by jds labs as a portable solution even with a cheap pair of. Biweekly headphoneampdac purchase help post 201212. Bass boost on fiio e10k improves the sound signature a bit more to my liking.
High voltage dc adapters can greatly extend the dynamic range of the cmoybb. Printed circuit board pcb older cmoys use thin wires or protoboard to transfer audio signals. The concept of the bass boost cmoy began in the summer of 2006 when i took an. You can use this circuit in any project where you need to amplify sound. Jds labs is not a sponsor of this post and did not endorse it. Headphone amps are pretty much standard equipment in the setups of audiophiles. The bass on the 800 is tighter, feels more controlled, and extends a bit lower than the 650. Switching on the cmoybbs bass boost changed that perception in a hurry. The schematic from my simulation software is shown below with the component values of the ebay cmoy as i received it. Jds labs covered it only briefly and i was wondering how would you suggest i hold the odac board in place so that it wont move about when i move the o2 amp and so that the usb port will line up with the back panel opening. Headphone amp for babyface gearslutz pro audio community. The usb receiver is also improved, allowing for higher bit depth file support. Next to the bass boost switch is the opamp mounted on a dip format switch.
I started with a fiio e10k for my 6xxs then upgraded to an jds labs element the jds is a lot more powerful, i think this helps when listening at low volume, sounds a lot better than the fiio or my mobo did at low volume to me anyway. I listen to alot of edm, which is full of bass, so i need the bass to sound the best it can be. In the interest of a simple build, a circuit board was created that fits perfectly within an altoids tin including the rounded edges. It has good bass, with neutral character and good texture and resolution. Cmoybb also offers bass boost setting which i enjoyed when using it with. Bass boost switch is fairly standard and feels good as well. Nwavguy can post measurements and discuss psychological theory all day long, but were humans. Find sales, discounts and price drops for this product on amazon. Ill be using the headphones mainly for a reference while mixing, and for occasional overdubs. This eq boost is done within the feedback loop which also sets the opamp gain so it requires minimal parts and keeps the eq components out of the direct signal path. Kit containing all components to electrically assemble a cmoybb v2. The conclusion here is that cmoy headphone amp, and especially the jds labs version of it is a great diy project for a beginner electronic hobbyist. It really pumps up the bass, without losing definition.
Wizard of oz ruby slippers high heels complete with wicked witch and dorothy on the soles. Top reader voted headphones dynamic driver planar electrostatic. On bass boost my custom pro ones hit like subwoofers. Jds labs also offers an upgraded ol dac, with an option for optical as well. The build of the cmoy is very good considering its basically a repurposed altoids can. We strive to be honest and transparent in everything we do. Although there many different implementations of this amp, my personal preference goes to the jds cmoy, because they implemented an excellent bass boost feature. Bass boost jds labss success is due to cmoybbs legendary bass boost switch. The bass on the 650 hits quite a bit harder than the 800, which i think can be attributed to a number of reasons. Interestingly, i do not use the bb bass boost switch, as to my hearing, the standard profile is so accurate and bass worthy as it is clear with no boom. And you can increase the power by using external power supply. We provide real engineering support and guidance to all of our customers. A cmoy only drives it to 99 db max and a cmoy is more powerful than an onboard sound.
It is interesting to see the sound changes based purely upon the amp and the e17k provides performance that is superior to using the q1 lineout through my jds labs cmoy bb. Exclusive bass boost switch the cmoybb ships with an internal bass boost. Inside you will also find a toggle switch labeled bass, which boost up the bass section by 9. Proprietary software was used during design of the pcb to check for proper. Audiophile headphone amplifiers, dacs, speakers, etc.
Runs on a single 9v battery, or optional power supply not included features of the cmoybb v2. Depending on ones preferences, a rechargeable version can also be built. You can use it as a headphone preamp, a portable guitar amp, an miniature mp3 player speaker, or even a synthetic robot voice box using the speakjet if you are going to house your amplifier in a tin, be sure to use electrical tape or heavy card stock to insulate the circuit from the metal bottom. I have heard that jds labs tunes their products in respect of measurements, and it doesnt come as a surprise that the atom performs incredibly well. Has anyone used both the jds labs and the biosciencegeek cmoys. Having optical simply means you can hook it up to a variety of other sources like your console for gaming, receiver, tv, etc.
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