diy

  1. S

    In Room Subwoofer Response - Review My Plan

    Hi All, Seeking advice as I plan a new sub for my living room. Currently, I am using an SB Audience Bianco SW450 18". This is a pro PA type driver with high sensitivity ~99dB, it is housed in a 250L sealed box and it is driven by a Fosi Audio V3 Mono at 8ohm. I appreciate this is lower power...
  2. Audiomaniac3

    Dual Tpa3255 300W RMS per channel Wondom AAM8 amplifier with 117db SNR 36uVrms noise floor and XLR balanced input

    Hello everyone,in this video: I’ve got a pretty interesting amplifier to review. The AAM8 model boasts highly impressive specifications. Single board houses two TPA3255 chips, each operating in PBTL mode, which allows it to deliver 300W RMS of output power per channel. The board is very...
  3. BodeMedia

    How to revive Behringer Truth B2031A from electrical malfeasance

    I have a pair of Behringer Truth B2031A from 2003ish (previously in pristine condition) that had some kind of electrical fault a few weeks ago. I am not sure exactly what happened, it could have been a dip in the grid or long time stress on the components. Seemingly out of nowhere, three...
  4. fivenp

    FUNDAMENT - an open-source, fully-documented subwoofer platform (Build 001: Sealed 18″, BMS 18N862 + FA502)

    Hey there.... long-time lurker, but never really dared to write :) I'd love to start an initiative on how we approach DIY Designs – mainly because of my own need for now A little bit on the Background Good subs are weirdly hard to get hold of in a lot of the world. E.g. Funk and Rythmik are...
  5. daniboun

    FS / EU : Hypex pack Full Mono : NC250MP + NC100HF (250W + 100W) as NEW

    Hi, I am selling a combo set with 1x Hypex Ncore NC250MP + 1 NC100HF tweeter / medium module Perfect pack for any full mono project or DIY speakers. Free cable set ! I ship in EU with euros currency only PRICE : 350€ pack NB : I have two packs if needed. Spec module NC250MP : Output...
  6. daniboun

    FS/EU : Hypex pack Ncore X NCX252MP + NCx102Ext + cables set as NEW (for 4 channels max DIY project)

    Hi, Having definitively abandoned my DIY active speaker project., I'm selling like new a powerful Hypex Ncore X NCX252MP amplifier module (2x250W and 1x500W bridged) with its integrated SMSP power supply, and I'm including the cable kit for free. This Class D module has an already established...
  7. M

    Filling a closet as a corner bass trap? Advice welcome!

    Hi all. I'm working on acoustic treatment for my home studio and, because I'm in a small, almost-square room, I'm considering using an existing closet as a DIY corner bass trap. I'll attach my REW measurements from my untreated listening position, some acousticmodelling.com simulations I've been...
  8. E

    DIY Studio monitor information

    Hi everyone, i have a DIY studio monitor, it was made by my father around mid 90s and i want to have more information since i need to fix the monitors and i'd want to know if it's worth or not the tweeter is a Morel mdt 29 8ohm and the woofer is a peerless kp 65 pg 8 ohm, the cabinet size is...
  9. Audiofirstdesigns_Harry

    Cadentia C (Centre Channel) Development thread / Audio First Designs

    Hi everyone! Many of you probably know that I am developing the other models in the Cadentia series. Including a 3-way centre channel model, Cadentia C. The Cadentia C project started quite a while ago, but has been on hold since I have to prioritise getting the Cadentia 3 into production. I...
  10. michihito

    DIY GPU DSP/DDC Box - Looking for opinions

    Hi ASR! Real-Time GPU Power for Your Audio: Introducing a New GPU DSP/DDC Project I’m thrilled to share my project I’ve been developing that brings massive GPU computing power into the real-time audio signal path. The concept is a high-performance GPU-based DSP/DDC engine designed to redefine...
  11. J

    DIY 2-Way 3D Printed Speakers using Salvaged Mirage AVS-200 Drivers and 3D Printed Passive Radiator

    Hey all, I want to preface this by saying, I have no clue what I am doing, and this has all been fueled by about a week of Adderall fueled research. I am not trying for the absolute best quality, but more to learn. I got a set of 4 AVS-200, and one AVS-100 center for $15, but 2 of the 200s had...
  12. L

    Need help using EM258 for headphone frequency measurement

    Hello, I would like to use 2 EM258 mics 1 inserted in each ear to measure the frequency response for my headphones, this will be used to measure the effect of different ear-pads on my headphone to be able to tweak the ear-pads, other than the mics I know I would need some way to connect both...
  13. daniboun

    Audio First Designs : Fidelia Bookshelf Speakers KIT, Tear Down

    Hi Amigos, I have finished assembling my Fidelia by Audio First Designs speakers. I wanted to share some pictures and I will also make some measurements this next weekend. I think most of you are familiar with this Fidelia kit, which is now available in an "RTR" (ready to run) version...
  14. daniboun

    Bromo/Fidelia hybrid Bookshelf speakers DIY (pictures /measurements inside)

    Hi amigos, I'm back with a little DIY project to keep me busy during my lonely moments lol I had the opportunity to acquire a pair of Crossover speakers from the excellent Fidelia bookshelf speakers by Audiofirstdesigns. Since I had a pair of cabinets at home and the original kit is awaiting...
  15. T

    18Sound 15" and Audiohorn X-Shape 2-way build

    Components have arrived for a build I've been wanting to do for a while - a pair of large horn speakers. Mildly old-school aesthetics, but with modern drivers, modern waveguide design, and DSP crossover. 18Sound 15NTLW3500 18Sound ND1460 Audiohorn X-Shape X40 w/ FEA roundover kit Current bass...
  16. Quinton595

    Working on a low-profile connector for my Schitt Stack, but can't figure out whether my XLR shell grounding pins should be wired up, or not.

    Hello everyone, I've built myself a custom low-profile connector for my Modius-Jotunheim Schitt Stack. I'm at the point where I'm about to start wiring the pairs of XLR connectors together, and it's a straightforward task. Connect pin 1 male to pin 1 female. Pin 2 male to pin 2 female. Etc. My...
  17. Audiofirstdesigns_Harry

    Cadentia 3 Product Development thread / Audio First Designs

    Hi everyone, some of you might have seen my replies in the Fidelia DIY kit thread about a new 3-way product Cadentia 3. I reckon it would be better to move the topic over here, put in a post specifically about it. Here is the very first prototype that went up to my Klippel NFS for the...
  18. S

    Crossover construction question

    Hi all. When layout out a crossover and using a central ground bus bar like the one below from Heissmann (which I am building now), does it matter where a given component attaches to the ground bar? For example, must Amp- lie between R3 and R4 on the bus? I can't imagine why it would, but...
  19. W

    Altec 620B DIY building

    More on my blog audioimpresje.blogspot.com
  20. S

    Heissmann DXT-Mon-182

    I've been wanting to try out a solid DIY approach to a 2-way, so I'm starting up a build of the Heissmann DXT-Mon-182. I went through $100 of good material to do that darned faceted face but couldn't get consistent results with my tools (which are good, but no match for a CNC machine). So I've...
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