Eli-Audio designs custom audio projects for the audio engineer. Here's a small list of the stuff we designed ourselves, or at least did not bluntly copy from someone else.
NEW: ATI Paragon 2 Project
NEW: The Black Cat ProjectNEW: API500 series Projects Iron Projects Ore DI-boxes Iron Projects C'ore transformer TAC Scorpion API 2520 Line Mod TAC Scorpion Preamp Mod
Telefunken V672 Racking PCB
Battery powered Pink Noise generator
Reverb in A Box
AES/EBU usb DAC
We re-cap, re-work or re-pair your gear. We've worked on several big projects from recording Amek consoles to Neve channel-strips and compressors. This is a list of all the equipment we've modified, repaired of fiddled with.
Neumann W444A Fader Modules
Meyer Sound CP-10 Check
TAB/Telefunken V372 Amplifiers Recap Soundcraft 6000 Console Recap
Apex FOX 460 "SG" Tube Mic Mod
Pushbutton Filter Microphone Mod
Shure SM57 Transformer Mod
Soundcraft 200B Recap and Opamp Mod
MXL R144 Ribbon Transformer Mod
TLA Neve 33122 PSU Repair
Neumann V472 Recap and Rack
Gyraf GSSL Sidechain mod
TAC Scorpion Recap and Mod
NTP 177-800 Rack
ANT V672 Recap and Rack
Siemens U274 Repair
Neumann KSM105 Repair
2x Neve 31105 Recap
Federal AM864 Re-wire
We build custom projects, from high grade direct injection devices for impedance matching and balancing to API5 00 series modules. This is a list of all the equipment we've built so far, or at least the stuff we can remember.
Nu Federal 864 Vari-Mu Compressor Gyraf GSSL Bus-Compressor Mnats 1176N Rev.D Compressor
Access-312 4 Channel
API Mic Preamp
Cmoy Headphone Amplifier
Atari Punk Console Synthesizer
Relay Switch Passive Monitor Controller 51x Alliance API 500 Series Racks [silent:arts]
Neumann OV560 Mic Preamp
Whistle Rock Audio HZ51x DI Total Audio Control EQ One Equalizer Total Audio Control MicPre One Gyraf G-Pultec Tube EQ
LazPro 525 Compressors LazPro EQN Equalizer
Capi-Gear VP25 Mic Preamp Capi Gear VP26 Mic Preamp Capi-Gear VP28 Mic Preamp Capi-Gear -ACA-BO Summing Amplifier Dantimex ThatMic Preamp Total Audio Control TAC511 API 500 Rack
SSL 9K500 Microphone Preamp
We've been building 500 series modules ever since we started building our own gear. The SSL 9K5 preamp together with the Studer 169K equaliser are some of the favourites amongst builder as a first 500 series project. After 15 years of DIY we've gathered a few ideas and lot's of parts to start building our own designs. So here we give you a preview of our ideas on the series 500 possibilities.
The Ugly Duckling When you sort through a pile of parts you gathered over the years and find a couple of VT24499 vintage Marinair output transformers and some 2520 series DOA's (Discrete Operational Amplifiers) there's little else to do than to make some Frankenstein Preamps!! And that's exactly what this 500 series module is. A Neumann 2520 style opamp by Silent-Arts, A Lundahl LL1935 Direct Box input transformer revered to be the input transformer and all other parts as close as possible to the original circuit of a 312 Preamp...
The Leveled Cock More info soon...
We decided to share with you a small selection of designs from our projects. If you're looking for the enclosure front panel for a project you bought from us or if you are just looking for a project to keep you busy, you just might find what you were looking for in here. The folders below will guide you to a list of DXF files containing specific projects like our "Iron Ore" direct boxes or even the dirty 312. But there are files from popular projects like the GSSL buscompressor and the NU Federal vari-mu compressor in there somewhere too.New and Featured projects will be explained shortly below, You'll find the ZTR-Rackdesigns and some of our best work there. Go ahead and roam around, all files are free to download!read more
A few years ago we acquired two ATI Paragon 2 consoles, let's say we were trying to conserve what was left from the more analogue times. We liked the ATI sound so much we decided to do a little racking project and build a custom enclosure to house a single channel of this legendary mixing console. It took about two years and many hours of research, drawing and designing to turn this project into a finished product, but here it is...
After trading one of our most prized posessions for cold cash, and an old recording console. We spent that money on some project, we can't even remember which, and weeped for loosing our OV560 Neumann preamps. The poor little Scorpion had been standing in our workshop for a long time before we even fired it up. We were not impressed with it after a quick and dirty first test. Amongst others, hums, buzzes, and pot-noises were some of the sonic disasters we were up against. After an internal inspection this Scorpion revealed an extensive but poorly executed modification. Almost all channels had been worked on, recapped with the wrong valued capacitors, and output transfromers where fitted to the mains, but badly inserted in the circuit. We had our work cut out for us! We felt it was only the right thing to do to at least revert this little critter to it's original state! First things first so we overhauled the power supply first to get rid of dirty currents and gounding problems. The master section received a full recap with original valued Dublier capacitors supplied by Colin over at AML (audiomaintence.com), and we inserted the output transformers in the right spot. Only after we finished recapping a single input channel were we able to complete a thourough test, all the way from input to output. Although clean, almost clinically, and with a much improved lower-end we still did not like the consoles sonic performance. It was quite a while later that we found out about the Graham Langley designed microphone pre-amplifier mod for the S1000 and S1001 input channels. So we ordered and applied the modification to four of our channels-strips. It was the simplicity of the Langley mod that made us believe that the Scorpion could be a great modification platform and somehow we even started liking the little critter. But even with the new preamps installed there was something we missed, character!read more
Vintage:The Diff_Rev00x is an API 2520 discrete opamp based differential (balanced) line receiver mod kit for the Amek/TAC Sorpion I S1000/S1100 and Scorpion II S1001/S1101 input channels. It is based on the original API 2520 application notes and replaces the original "bottle neck" microphone preamplifier with a fully discrete unity gain line preamp. To fit the Diff_Rev00x PCB to your channelstrip alll you need to do is remove some parts that make up the original preamp and slide the line receiver pcb in place. Together with a 2-ACA-BO, Capi-Gear's API summing and master fader booster, in the scorpions master section the Diff_Rev00x differential line input turns your Scorpion into a true vintage critter!
Modern:For the audiophile, lovers of clean hi-definition audio we designed a THAT1512/1510 based microphone pre-amp for the Amek/TAC Scorpion 1 S1000/S1001 and Scorpion II S1100/S1101 too! This high performance balanced input IC, by far, exceeds the original SSM2015 specs, with higher slew rates and lower signal to noise ratio and excellent CMMR (Common Mode Rejection Ratio), this is a rather big step-up from the original preamplifier.