I tried searching for this information, but could not find anything specific. Does anybody know or have an opinion of whether there would be a difference in digital output quality between the transit and the 0404 usb? I primarily work with my laptop so I need a usb rather than pci card. I use...

I am looking to try out a passive preamp for my dynaco st-70 stereo amp. I found this ad on ebay for an aural thrills with stepped attenuator for $215 shipped. I am thinking that this is my best bet under $300, but I thought I would see if any of you more knowledgable type had other...

My cordless drill has three batteries. Since, I really have no use for three batteries, I was thinking of using two of these batteries as power supplies for an amp and dac that I use. I know people usually use SLA batteries for this purpose, but I was wondering if I could do any damage if I...

Hello, I switched the opamp in my TEC (Beresford) TC-7510 from a JRC4558 to a LM4562. It sounds much better except that I now hear distortion during loud sections of songs. (It sounds great otherwise). The TC-7510 runs at 12vdc. I checked with the manufacturer and the opamps also see 12v (or...

Hey guys, I was thinking of trying to use a battery for a couple of 12v dacs and tranportable amplifiers that I own. I found the following battery on ebay. I know that I an sla would have the most capacity, but I don't really want to keep an sla in my apartment for a number of reasons...

Hi guys, I have a dumb question. I want to build an external tread and I need to order some stuff from digikey. Anyways, I can only seem to find dc input jacks. Will jacks rated for 24vdc also accept 24vac or do I need to look for 24vac jacks specifically. (I haven't found any yet.) Thanks...

I just found a really nice mint pair of Acoustic Research AR-7s on craigslist. The problem is that the woofers have never been refoamed and they are 30 years old now. There is a kit on ebay. This kit is listed under AR-& on ebay, but I assume it is really just a generic kit...

Hello, I have an amp built by another member that implements an ad744 with output stage bypassed for stacked buf634. It sounds really clean and detailed without being harsh, so I don't have any complaints with the current setup. (just curious about other possibilities) I was just wondering if...

I was wondering if anyone knew how these two chips compare. I bought the dac-in-the-box from Eddie Wu. Upon taking it apart to see if any parts would be easily upgraded, I noticed that the dac chip was CS43122 instead of cs4397 advertised on Eddie's site. I assume Eddie wouldn't knowingly ship...

As part of the context, I bought some dt831s a few months ago. I put in a couple of 150 ohm resistors between the drivers and cable. I found this calmed the brightness considerably, but not completely. I decided to try the dt831s + 150 ohm with a 75 ohm adapter so 225 ohm total and the...

Hello, I just bought some 6dj8 tubes to try in my morgan jones amp. They are branded rca and amperex, but there seems to be a lot of variation in what I got, so I thought that I would see if anyone can help me identify these. The first set has the amperex orange globe label, but does not have...

Hello, I just bought some supposedly "new in box" gold aero 6922 tubes that supposedly "test at 100% on sencore checker" off ebay. quotes are seller's exact words. When I plug these into a morgan jones amp, they sound distorted and have no gain (volume is very low to other tubes at same...

Hello, Just starting out with diy and I am trying to work on a dac-ah. I have had some trouble with desoldering using a pump, so I thought that I'd try wick/braid. I was wondering if anyone had recommendations for inexpensie, but decent desoldering wick/braid. I am looking to buy a small...

Hello, I was wondering if there might be an easy fix for a defective mini-to-rca cable I bought off ebay. I don't have any real tools, but can get access to a soldering iron. Anyways, here is the problem: when I plug both rca cables in, I get barely any noise from either channel. When I plug...

Hello, Since this is my first attempt at diy, I have some really stupid questions. I have read some of the other threads in here, but I just want to make sure that I don't screw anything up. I decided to go ahead and get some 12uf paper in oil caps to try as coupling caps for my dac-ah...

Hello, I am new pretty new to the world of high end audio (well not relly high end compared to most of your setups). I would prefer to use my laptop as my main source for convenience and because I mostly listen to headphones in my office and I like to listen to internet radio on occasion. I...