preamp
  1. Audio-GD NFB 5.32

    Audio-GD NFB 5.32

    Fully discrete analog stages without any OPA and couple caps in the signal channels. Non- feedback ACSS analog output stage . Total of 8 groups dedicated power circuits are used to purify the power supply. Applies a custom order ALPS 27 volume pot for reducing channel imbalance and improving...
  2. sonicx2218

    Do I need a preamp for my XLR dynamic microphone?

    UPDATE: Solved the problem! Ignore! Can't find where the delete thread button is. Got the AKG D5 mic the other day, and as an XLR noob, have only been met with problems. First it wasn't producing any sound at all - then I got a phantom power device even though it's a dynamic just to see. And...
  3. Cinder

    [Tiny Tour Interest Check] Riverside, CA Area, Burson Play Class A Pre-Amp/USB DAC

    Hey folks, I may soon have access to a Burson Play. I was wondering if any Head-Fi'ers in the Riverside area of CA would want to meet up with me and test it out for a couple hours? To be clear, this is a physical meetup opportunity, I won't be shipping the Play anywhere (since this is all on...
  4. kzzstzst

    Permalloy passive preamp 10Hz-20KHz ±0.1dB no soldering with sony zx300A

    In normal market, passive preamp is ±1dB. But this pairs are ±0.1dB. use aiwa hp v99 vol 115 use balanced TY Hi-Z 650 ohm vol 100 ( DIY mods the 2.5mm plug , the first 2.5mm photo in ASIA with TY 650 ohm ) use TY 150 ohm Hatsune GREEN vol 110 use K701 Kimber kable mods ver...
  5. MS1000

    I think I want a DAC... Actually, I'm not sure.

    Hi guys, I was set to buy the Origen Plus DAC until I started hearing about its driver issues and incompatibility with MAC. I loved that it was simple, supported high bit rates, and most of all, could switch between line out and headphones with a switch at the front. I have a budget of $100...
  6. CarlosUnchained

    BottleHead Crack Mod

    Hello, I'm new to DIY world so I'd like to start with a kit, the Crack caught my eye. Since is an OTL amp It does not pair well with my LCD-X. I'm looking for advice on what parts change/add/remove to make it more powerful on the 20 ohm region. Also I'd like to add a second pair of RCA...
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