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  1. Dogen

    Representing music as visuals

    Hello all, I’m interested in any work done in transforming music into visual sequences, or videos. An example would be a visualizer used with a music player, but I’ve found most of them crude and predictable. What I have in mind is reflecting sound visually in a way that’s subtle, responsive...
  2. Dogen

    Index to make finding reviews easier?

    Thanks to Amir and other contributors, we’ve gotten a fair number of reviews on the forum. Would it be possible to index these reviews by product type (DAC, DAC/headphone amp, speakers, etc.)? That would help readers more easily find reviews of products under consideration. And, this would...
  3. Dogen

    Apple Sound Check over Airplay?

    Hi all, I’m heavily invested in streaming ripped music in iTunes over Airplay to various devices around the house. But, the Sound Check feature does not appear to work over Airplay, as it does through a wired connection to my Mac. Is there any way to get an Airplay receiver to read and apply the...
  4. Dogen

    Tube OTL headphone amp: OK to run without a load?

    Is there any risk in running a signal through an OTL tubed headphone amp (DarkVoice 336se) with no headphones? I know it’s normally not a good idea, because it could damage the transformer. But there’s not one here. I’d like to do some quick comparisons between the headphone amp on my DAC and...
  5. Dogen

    Small, lightweight amp with two analog inputs?

    I’ve been looking around for small amp I can mount behind my wall-mounted TV in the bedroom with two switchable analog audio inputs. Anyone have any suggestions? I’d like to run both TV sound and the output of an Airport Express through the amp, and be able to select the input. Something like...
  6. Dogen

    Has anyone measured the effect (if any) of tube rolling?

    I’m very much enjoying my new DarkVoice 336se tube headphone amp, and part of the fun is rolling in different 6SN7s I have on hand with my Sennheiser 6xx cans. Perhaps it’s folly, but I do think I detect differences in sound depending on the tube. Ken-Rads tend to have deeper bass, RCAs are...
  7. Dogen

    DAC with digital volume control or adjustable gain and TOSLINK input?

    Can anyone recommend an inexpensive, well measuring DAC with these features? I’d like to reduce the gain going to my DarkVoice amp. Thanks!
  8. Dogen

    Use 300b speaker amp as headphone amp?

    I have an old Assemblage 300B single-ended speaker amp I’m not using at the moment. Is there any way to use or adapt this amp to drive my Sennheiser 6xx headphones? It outputs at best 8 Watts per channel, and is currently wired for 8 ohm speakers. I did some research and found the with a...
  9. Dogen

    Definitive resource for headphone design?

    Happy upcoming new year y’all! I’ve gotten a copy of Sound Reproduction: The Acoustics and Psychoacoustics of Loudspeakers and Rooms by Floyd Toole, and have been educating myself a little on all the factors that go into loudspeaker measurement and design. Sean Olive has done great work as well...
  10. Dogen

    Could it be I prefer my Sony v6 over my Sennheiser 6xx?

    A few days ago I received a new Sennheiser 6xx. After listening to it many hours, there are things it does very well. I’ll call it “tonality” - the ability to hear the particular characteristics of each instrument. That’s stellar with the 6xx. It’s a non-fatiguing listen for sure. But going back...
  11. Dogen

    Suggestions for headphones a little “warmer” than Sony MDR-V6?

    I’m enjoying my V6 headphones, but for fun I’d like to get an alternate pair that’s a little warmer, without losing detail. The V6’s seem ruthlessly accurate, perhaps lean with a lower treble peak, and I’m looking for something with more bass and midrange body, and less sizzle. Over ear under...
  12. Dogen

    Stupid question? Driving headphones with preamp output

    Is it really inadvisable to drive headphones with what are essentially preamp outputs? Here’s why I ask. Until I got my headphone amp, I was driving my headphones with the analog out of an Airport Express, using iTunes to control the volume. It sounded OK. A frequent use case is to hook up an...
  13. Dogen

    Raspberry Pi-based DAC/headphone amp idea

    I’ve just started looking into using this platform to build my dream, one-box headphone amp: wireless Airplay input with digital DSP including equalizer and variable crossfeed. The stuff from Hifiberry looks look; The missing link seems to be a board to serve as the headphone amp. Has anyone...
  14. Dogen

    Crossfeed for headphone circuits?

    What are your views on the use of crossfeed for headphones? Being brand new to extended headphone listening, I’ve not yet fully adjusted to the presentation of music through headphones, finding it sometimes stunning and other times unnaturally polarized to each channel. To experiment, I...
  15. Dogen

    Headphone amp kit for complete novice?

    Hi all, I’d like to build a simple headphone amp from kit or instructions, and I have absolutely no experience. What would you recommend as a good starter kit that includes casework? I’m thinking one that works from a commercially available wall wart, so I’m not building a power supply first...
  16. Dogen

    Equipment burn-in: am I deluded?

    Hi all, I recently received a Topping D3 DAC/amp. At first it seemed quite tilted up in the high frequencies and lacking in deep bass. After a few days, though, that seems resolved. Did I acclimate to the Topping, or did it change in sound? I’ve never believed in burn-in, aside from perhaps...
  17. Dogen

    Short list for DAC/headphone amp with optical input

    First time poster - love the site and the approach! I’m in the market for a small tabletop DAC/headphone amp with optical input. The requirements are 1) some weight so it doesn’t scoot around on my table, 2) rotary volume control, and as stated TOSLINK input, I’d be using the optical output of...
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