Hairball Audio Rev F, GR Meter Driver Amp (Rev A and D) If your re

  • Hairball Audio Rev F, GR Meter Driver Amp (Rev A and D) If your readings are correct in steps 1-3 you should be able to set your QBias and your unit should be compressing correctly. To give this underrated revision a unique look Excellent sounding compressor. Converters: DAD ax24 con Innertube Audio Atomic Squeezebox single channel tube compressor. The circuit is left unaltered and the full sized transformers are used. I have a pair of PACs and a vintage rev F and man do they sound different. Learn how to route and add parallel compression to your mixes. Original owner. Hairball Audio 1176 Rev F FET Rack DIY Build - Part 4 - Assembly and Calibration Revolution Sound 44 subscribers 19 Traditionally, the Revision F has a black faceplate and looks just like the Revision D. F with OEP trafos which is also really nice but rev. It's in as new condition, not a mark or scratch on it. The FET/500 series uses an elaborate grounding scheme for audio and +30VDC rail ground. Problems with setting the Null Adjust or Gain Reduction Tracking would likely be an issue with your GR Meter Driver Amp section. Zero issues The Black Faceplate This revision covers the REV B thru E units. This is coming out of a pro studio with perfect feedback. No SoundScape here, but Hairball REV A and Rev F. Serial Number 0016. Just skimming through I believe I have the skills for it (basic soldering really seems it). Built to Order: Your unit will ship within thirty business days after you place your order. The FET/500 series of analog FET Compressors is available exclusively through Hairball Audio. From the website:Traditionally, the Revision F has a black faceplate and looks just like the Revision D. This is true classic compression without compromise. For nearly a decade Hairball Audio has partnered with talented PCB designer Mako Natsume. Learn about cost vs performance, build quality, and sonic characteristics from our hands-on analysis. Faceplate Option: If you would prefer an all black facep Product details Gallery Product Specs Reverb Price Guide Estimated Value for Hairball Audio FET/500 Rev. They were built and sold to me at the same time so they are some what matched. Sounds great! Bought from a local friend in the music scene when I needed an extra 1176 for a project, but have since finished it and dont have a need for it anymore (I have a vintage 1176 that I use on the regular). Works and sounds great! The most transparent compression I have ever used. Fantastic for The Red Stripe Traditionally, the Revision F has a black faceplate and looks just like the Revision D.    I usually have to build these units for you, but sometimes I have one is stock. The PACs are kinda on the hi-fi side of things with the Rev F having the most meat of the bunch. F 500 Series Compressor / Limiter Module hoy mismo para que lo vean miles de personas de forma rápida y fácil. Features: - Genuine complete kit from Hairball Audio - Built with multicore Weller high-quality solder (no silver!) and professional soldering ir The Universal Audio Rev F FET compressor, released in 1973, utilized a Class AB output amplifier based on the 1109 amplifier, with the same output transformer that was used in Universal Audio's LA-3A compressor. It is based on the famed UREI 1176 compressor designed by Bill Putnam in 1967. Stayne looked it over a couple years back and gave it a clean bill of health. Also, confirm C21 is soldered and oriented correctly. The first two numbers are the value, and the next indicates the number of zeros.  Rev F with the Red PCBs inside In Studio city I also have rev. Sounds amazing. 4. In many cases, original units are con Anuncia tu Hairball Audio FET/500 Rev. I would like to hear everyones opinion between the plugin and hardware. They are installed like other TO-92 transistors and require no heatsink. These kits include only the highest quality USA made custom enclosure and transformers. In many cases, original units are confused for Rev C/D/E’s with engineers mistakenly thinking of the revision F as a silver faced unit. Selling to get the stereo version. This rev F output pair (MPSW06 and MPSW56) are tall TO-92 transistors. It looks the part, and more importantly, sounds the part! There are two of these on the main Rev A PCB and three on the main Rev D and Rev F PCBs. Ask me. Vocals, acoustic guitar, bass, snare and anything else you care to compress stands to gain a hi-fi sounding gloss when passed through this unique combination of transformers. Obtén más información sobre el Centro de vendedores. This is a very early version with vintage UTC transformer. D) Here is a fresh built Hairball 1176 in the F Revision, tested and in perfect working order. Just need to downsize. they have the orange drop mod but not the stereo linkboth work great. Revisions C-E had a black front panel while the Rev B retained the silver and blue stripe panel. In great working condition, amazing compressor with the famous all-button mode. To give this underrated revision a unique look, we’ve added a red stripe and red off button cap. The Hairball Audio 1176 is my very first hardware compressor. Their values are indicated on the trimmers with a three-digit number. Most current reissues are based on this revision. TapeOp reviews the Hairball Audio Revision F FET Compressor Kit - a DIY approach to classic compression. Low noise, or “LN” circuitry, was added to this and all future Had for a few years. Clone of the industry standard Universal Audio 1176. Like the Rev A and D the input uses an O-12 transformer and the signal is attenuated at the input with a 600Ω T-pad. F 500 Series Compressor / Limiter Module on Reverb Filter by model FET/500 Rev. Hairball Audio 1176 REV D (Used) From the manufacturer: This revision covers the REV B thru E units.   Local pickup only. I We are an authorized builder for Hairball Audio. That being said, if you would like to send me an audio file, and some guidance on settings, I would be more than happy to process it with my Rev F and send it back to you. To give this underrated revision a unique look, we've added a red stripe and red off button cap. This is the 500 series version of the Silverface and it sound identical to the Revision F rack version Red Stripe. I personally own a stereo pair that gets used all the time. D) Hairball 1176 Rev F Compressor Great working condition, i had two studio locations and i am selling all doubling gear!!! Traditionally, the Revision F has a black faceplate and looks just like the Revision D. Using the ground pin on the 500 series edge card will produce incorrect readings. This unit was just assembled and therefore is ready to ship. Starting with the rev F, the output circuit was changed from class A to class A/B. Fantastic for getting vocals out in front, impactful drums and generally just good at making things sound good. In many cases, original units are confused for Rev C/D/E's with engineers mistakenly thinking of the revision F as a silver faced unit.   It is based on the famed UREI 1176 compressor designed by Bill Putnam in 1967. Pickup from 3038 or shipping available. Traditionally, the Revision F has a black faceplate and looks just like the Revision D. I did my very best to l Product Lines Lola Microphone Pre Amplifier Elements Series Pre Amplifiers FET/500 Series Compressors FET/Rack Series Compressors One hand built to order 1176 blue stripe compressor from Hairball Audio. The major change to the revision F was the redesign of the output stage from class A to a 1109 style class AB “push/pull” output, utilizing a B11148 output The Purple Audio MC77 and current reissue are based on this revision. We believe the Revisions F is highly underrated and when given a 2:1 ratio becomes one of the more usable compressors we’ve heard. Sourcing and building a complete 1176 replica has never been simpler, thanks to the folks at Hairball Audio. There are two of these on the main Rev A PCB and three on the main Rev D and Rev F PCBs. Here is a fresh built Hairball 1176 in the F Revision, tested and in perfect working order. In many cases, original units are confused for Rev C/D/E's with engineers mis Back order. Features: - Genuine complete kit from Hairball Audio - Built with multicore Weller high-quality solder (no silver!) and professional soldering ir Traditionally, the Revision F has a black faceplate and looks just like the Revision D. The FET/RACK compressor series is no exception. In this video, I build and test the power section of the PCB. F 500 Series Compressor / Limiter Module 2010s Silver Includes material, year, finish Filter by condition Good to Mint Mint Excellent Very Good Good I also have rev. The partnership, based on a passion for quality design, has yielded some of the best DIY projects on the market today. 7. Hairball 1176 Rev F Compressor  Latest revision!Works great as expected!!! Please note this build guide contains mostly images showing the revision A blue PCBs however, the process for building the revision D and revision F is the same unless noted. Check my other listings Latest mod made on an existent rev D 1176 kit by hairball audio . Changes were made to the stage and line amps so a bipolar transistor was used as the first active component. D + EA is outstanding. Oct 30, 2025 · The Hairball Audio FET/500 Rev. Rather than one output transistor that gets really hot, the rev F has an output transistor pair that stay cool. Hairball 1176 Rev F Compressor  Latest revision!Works great as expected!!! Hairball 1176 Rev F Compressor  Latest revision!Works great as expected!!! We are an authorized builder for Hairball Audio. Aug 31, 2023 · We are an authorized builder for Hairball Audio. The Rev A is noisier than F, but more vintage sound. Same FET circuit as the MC77. This calibration step is the least important. This is a mint condition, hand-wired Hairball 1176 "FET Rack" Revision F compressor. It looks the part, and more importantly, sounds the part! This is a brand new,"Build To Order" hand-wired Hairball 1176 "FET Rack" Revision F compressor. Full kits (including enclosures) are offered of Revision A and D units, with customizable partial kits available for the F and G revisions. Selling my pair of Hairball Audio Rev F compressors. The Rev F is cleaner than both the A and D revisions, it is known for the high end sheen and polish that it imparts to the signal passing through. Learn how to use and connect your Hairball Audio microphone preamplifier to your interface. This unit works fine, no issues and sounds g Hairball 1176 Rev F Compressor  latest incarnation (built around2020) Great working condition, I had two studio locations and i am selling all doubling gear!!! Traditionally, the Revision F has a black faceplate and looks just like the Revision D. The Hairball clones are considered some of the best in build quality and sound. In many cases, original units are confused for Rev C/D/ 1176 Rev F Compressor - Brand new Hairball 1176 Rev F Compressor hand built in Chicago at Process Haus, an authorized builder for Hairball Audio. The famous and highly regarded Hairball 1176 needs no introduction basically if you want an accurate reproduction of the 1176, this is the way to go. Feb 2, 2026 · The major change to the revision F was the redesign of the output stage from class A to a 1109 style class AB “push/pull” output, utilizing a B11148 output transformer to provide more gain. We put into original chassis revision A and F switchable with rev D. Classic circuit without Compromise: The FET/500 is the same FET Compressor found in the MNATS rack version sold at Hairball Audio. Both sound amazing. 101 = 100Ω 202 = 2K Ω 103 = 10K Ω 104= 100K Ω FET/500 Trimpots L-R: 3386, 3266, and 3296. Recently calibrated by Hairball Audio.   Includes orange drop mod. F is a FET-based compressor, known for its fast attack and release times, making it ideal for dynamic control and adding character to vocals and instruments. Drums, vox, piano, guitars, bass these compressors are incredibly versatile, from Compresseur de studio Hairball Audio FET/Rack Revision D : 167 photos, 5 extraits audio, 4 avis, 3 discussions dans les forums et 1 annonce Part 1 (of 4) of the 1176F DIY build. Hairball Audio 1176 Rev F for sale. The Purple Audio MC77 and current reissue are based on this revision. Building Hairball Audio 1176F DIY Build Kit Difficulty Hey all, I've been interested in some projects to expand some of my skills and came across an 1176 kit. I've built a large number of these and have heard nothing but rave reviews. This unit was offered in a black panel and a silver front panel similar to the Revision A but without a blue stripe. Purple is also great, if you can find them (It's VERY similar to the MNATS rev. Everything sounds better through this awesome hardware. Sometimes you'll see it listed as THD+N which is the same measurement + noise.   Barely used / like new & just calibrated by my tech on 4/22. Though the Revision F is cleaner than the A or D, it's not Aug 8, 2025 · The major change to the revision F was the redesign of the output stage from class A to a 1109 style class AB “push/pull” output, utilizing a B11148 output transformer to provide more gain. Distortion Trim (Rev D and F Only) To adjust the distortion trimmer (R86: Rev D and R16: Rev F ), you need some specialized equipment that can measure Total Harmonic Distortion (THD). This is a brand new,"Build To Order" hand-wired Hairball 1176 "FET Rack" Revision F compressor. This is a must before doing the rest of the build! Head o. Also have a Hairball bluestripe, rack version and it sounds more akin to the PACs but gives the vintage a slight nod. All solderin For sale is a Hairball 1176 Revision F compressor. f3lac, 7heu, zeoo, ceiwh, ch8u, uqxlq, pn6lot, bbtzbr, yxag, eb6xi,