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Hi, I am using a Sennheiser MKH-417 shotgun mic and made a full documentary fearure with it: Trailer: Complete feature: https://fishermansframe.gumroad.com/l/abtyf The MKH-417 is a working horse with a signature sound, but sounds off-axis sound bad of course. Just two days ago I stumbled...

Dear friends, I already added SPDIF-outputs to secend gen. CD-Players: CX23035-SPDIF Out No I would like to add it to the CDP-101, one of the very first CD-Players. Mine is in mint condition and ran for about 200hours. I bought it first hand from a dealer in 2014 who stored 3 units for about 30...

Dear Friends, in many first gen. CD Players - but also a few later models - the RF-Amp for the photodiodes receiving the laser signal was mounted directly on the laser head. This resulted in a very clean Eyepattern as the weak current of the photodiodes did only travel a short path before being...

There are some nice DACs out there like the Topping D10s that have a small form factor, one default filter, are cheap, - but lack SPDIF input. "Only" USB via XMOS Reading the Datasheet of ES9038Q2M DAC https://www.esstech.com/wp-content/uploads/2021/03/ES9038Q2M-Datasheet-v1.4.pdf There is SPDIF...

Nothing out there to avoid Apples s****y Bluetooth and flimsy Dongle-Dacs? I am not talking about Headphones, just a portable DAC/headphone amp that allows lossless at 16 @ 44.1 or 48. Best, Herbert

There is no thread about this, so I´ll start - watched this at Berlin International Film Festival, Ta Farda This film has no distributor yet, hope it gets one and a worlwide release: "Fereshteh is studying and works at a printers’ shop in Tehran. She wants to go to the US but is having trouble...

Remember this one? http://3a-art-et-acoustique-appliquee.fr/catalogue_en.php?nom=Audio%20Design&serie=Master&type=MM&version=V2 I bought them in 1990. They used to be from France, their successors are still built in Canada: https://reference3a.com/ Anyway, because the cabinet used to scratch...

As google gave silly results, here comes my problem and it's fix (not any more, see below): I experienced audio dropouts that very strongly hinted to a loose connection or floating contacts on my 10$ Apple Lighting to headphone dongle: After plugging it into my Iphone, sometimes only shaking...

Dear friends, I am very happy to announce that my documentary In Bewegung bleiben-Keep Moving is now available as Stream and download in Germany, Austria, Switzerland. Other European countries are to follow and I hope to find a world distributor for 2022. The documentary has English, Spanish...

Recently I tested my Buffalo II DAC from Twistedpear - a 1kHz sine 0dB test tone. There is a "squarelike" but faint distortion in the upper frequencies. But before running a verdict, I should mention that the testtone is from 1982, from an YEDS-18 Test disc made by Sony for service personnel. I...

I never put attention on this, after decades I bought a used record (because it's CD-release is missing some tracks) and the surface shows bobbles. The trapezoid of my room's window is reflected very uneven. I checked three records, they all show this defect. All pressings from the seventies to...

Hi, I am not looking for overpriced oscillator boards to upgrade your CD-Player that promise 0.1ppm. I am just looking for the xtal-cans themselves. Still the aim is upgrading a CD-Player, in my case it is 16.9344mHz. Looking @ Mouser and Digikey it looks like the best value is 10ppm. I...

Hi to all, thanks to solderdude and others, I am extremely pleased how well support in the DIY section of this forum works, especially for noobs like me. To give at least a little bit back, here is a schematic for the DAC-Nerds, developed 12 years ago with the help of people @ DIYAUDIO. This...

I am working on an DIY-CD-player, that is mostly salvaged from an old Sony CDP + adding a modern DAC. The casing will be custom milled and has a motorized top lid that utilizes the electronics of the original tray. So far so good. But I want the design simple and not many buttons. Thus I would...

Hi to all, I am just looking for advice on the board shown. It requires DC-voltage, but has already has 3x2200µF capacitors for each voltage rail mounted. See schematics C20/C28/C29 // C2/C13/C23 So building an unregulated power supply with recitfication and smoothing, I am wondering what...

Hi to all, For years I am looking for good anodizers. I have learned a lot about aluminium alloys during the process, and in Germany where I live I have tried about a dozen of anodizers, scattered over the whole country. But almost none of them were able to finish the surface of my samples like...

Hi, the average age of my audio equipment is some 30+ years, the oldest being a Sony CDP-101, the most recent are a Buffalo DAC and the Khadas Tone Board. During those three decades since I bought the Sony and some other players besides lubricating gear or swapping electrolytics, not much had to...

Now, this might be an odd request as the Iphone 4 are around for some time, but they make good DAPs and are fairly repairable. BUT: I replaced my Iphone 4 with an 4s - and the 4s sounds dull and lacks clarity. It is not like those "uhmm, I think the 4s lacks some... depth?Maybe?" impressions. It...