Balanced Line Technology. 4: LINE OUTPUTS.
A line output is expected to be able to drive significant loads, partly because of a purely historical requirement to drive 600 Ohms, and partly to allow the parallel feed of several destinations. Another requirement is a low source impedance, (100 Ohms or less) to make the signal robust against capacitive crosstalk etc. There are many line output and input arrangements possible, and the results of the various permutations of connection are not always entirely obvious. An examination of the output types in use yields Table 1: TABLE 1: Output arrangements. Unbalanced output. 1) Unbalanced output. 2) Impedance balanced output.
Diy audio. g200kg Music & Software. DIY audio / audio hacking.
NEMFXSC-RDC1-SO - Reverb, Delay and Chorus. Features Low cost and high performance 6 Reverb types (Plate,Room, Ambience, Hall and two Springs) Superior sound quality Mono input, stereo output Option for either Internal CODEC Mode (lowest cost, smallest footprint) or External CODEC Mode (higher performance) Available in 28 SOIC package Requires only a +3.3V Power Supply Full Description The NemFXSC-RDC is a Reverb, Delay and Chorus digital effects unit that is designed for applications where price is a driving factor.
While in 'Internal CODEC Mode' the chip is ideally suited for entry-level products such as practice amplifiers, but its sophisticated sound quality and 'External CODEC Mode' enables the NemFXSC-RDC to also be used in higher applications. PCBGRINDER.
Simply-designed outboard DAC improves computer audio quality. Scot Hacker is the author of O’Reilly’s MP3: The Definitive Guide, and writes about music for Stuck Between Stations.
By day, he’s a webmaster and trainer for the Knight Digital Media Center at UC Berkeley. A few weeks ago, during a spell of unusually dry winter weather, I went to unplug a pair of Grado SR-80 headphones from my iMac. A spark of static electricity leapt from my fingers, I heard a brief crackling sound, and then… [silence]. From that moment forward, the headphone/speaker jack on the back of the Mac has refused to work, and only “Internal Speakers” showed up in the System Preferences Sound panel. My trusty work Mac had gone mute. My only options were either to send the Mac in for repair or switch to USB audio output. The unit arrived a few days later, and turned out to be even smaller than expected (around 3″x1″). I was blown away from the moment I plugged it in and enabled it in the Sound prefs Output panel. For the test, I chose two recordings: Make a Yamaha Synth for less than £25.00 « joebrown.org.uk.
Shown below is the near-completed synth.
This clearly shows the Yamaha daughterboard, with it’s 26 pin header top right, plugged into the breakout-board I made. On the BOB, are mounted everything else except the power-supply, which was kept deliberately separate. I mounted a small fan, underneath the DB50XG, and provided an exit vent for warm air beside the audio output sockets, thus ensuring that heat is drawn away from the unit, and from the heatsinks on the three regulators.
My almost-completed synthesizer. In the following schematic, you will notice that most of it is concerned with powering the daughterboard. You may prefer to use an existing supply, (or supplies) and omit if necessary some of the PSU components. Audio Projects, Schematics,etc. Diy audio. WAV Trigger Online User Guide – robertsonics. WAV Trigger Online User Guide Back to the top Powering the WAV Trigger The WAV Trigger is typically powered through the on-board 5.5×2.1mm barrel jack.
The allowable input voltage range is 6 to 12VDC, and the jack is center-positive. Electronic Circuits.
Audiophile. Index of /diy/Schematics/Tone Control and EQs. Index of /diy/Schematics/Tone Control and EQs. Audio projects, circuits and audio kits. Simple Mixer Schematics. Simple Mixer Schematics PREAMBLE: I've been cooking audio circuits for so long now I no-longer need a recipe.
A lot of the theory I have forgotten over the years because I've just gotten to know the circuits by instinct. But this should serve as something of a guide to designing mixers from scratch. Muting Transistor Attenuator Circuits and the 2SC2878. Among semiconductors, the muting transistor and its audio application is perhaps the most obscure and poorly understood of all.
There is extremely little information on this subject available on the internet and what is available is sketchy. This discussion is an attempt to tie the pieces together and to add some insight –I have been working on this off and on for some time and for me it has been a learning experience. While I do not claim expertise in this subject, I question if such experts actually exist. Online Circuit Simulator with SPICE. ESP Projects Pages - DIY Audio and Electronics. Category Index of Projects Page Last Updated - April 2015 Main Index Projects Index Projects Sorted By Number Pricelist Note Carefully Although I am happy to provide assistance to prospective builders, I cannot (and will not) be drawn into prolonged e-mail exchanges if the project does not work as expected.
It is inevitable that in some cases (due to component tolerances, for example), a project may require a different value resistor, capacitor (or whatever) to correct for an unexpected variation. Please do not attempt the construction of any project which you do not fully understand, or if you do not feel completely confident that you can build the project without further assistance. Under no circumstances should any reader construct any mains operated equipment unless absolutely sure of his/her abilities in this area. Page created August 2012 to replace individual pages.
Please read this first!! The projects described on these pages are not commercial in any way. This means that we DO NOT sell PCB's, kits, or anything like that. Gain clone amps. Elliott Sound Products - The Audio Pages (Main Index) Pages Last Updated March 2014 Welcome to ESP, the home of DIY audio articles, projects and shortform kits.