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  1. Bostonears

    Cayin HA-1A MK2 headphone amplifier

    Bump. Feel free to PM with any questions.
  2. Bostonears

    Cayin HA-1A MK2 headphone amplifier

    ***SOLD*** For sale is my Cayin HA-1A MK2 amplifier. I hate to part with it as it sounds great, but I now need to downsize my desktop audio rig to a much smaller setup. This Cayin amp is in great condition, with no apparent scratches or other marks in the finish. Tubes installed in the amp...
  3. Bostonears

    Furutech 6.3 mm male to 2.5 mm female adapter

    Is the female end of this 4-conductor TRRS or 3-conductor TRS?
  4. Bostonears

    New tube amp: the Cayin HA-1A MK2

    Hey all you HA-1A MK2 owners: A friendly reminder that this amp has preamp outputs that sound fabulous. In addition to headphone usage, I'm running the Cayin's preamp outputs to a 25 wpc power amp to Harbeth P3ERS speakers in a nearfield setup... and the sound is to-die-for good. I mean, HOLY...
  5. Bostonears

    QUAD PA-One Valve Headphone Amplifier and DAC

    Hopefully one of you Quad owners can answer a couple of questions for me. I'm considering the purchase of a Quad PA-One+. I would use it for headphones as well as for preamp output to a speaker system. I have a couple of questions about the preamp outputs: - Do the preamp outputs mute when...
  6. Bostonears

    New tube amp: the Cayin HA-1A MK2

    For the Cayin amp, you should indeed use matched pairs. Two individual tubes of the same model, depending on how unmatched they are, may make the two channels produce different volume from each other. If your reason for tube rolling is to obtain a warmer and smoother sound, I'm not sure any of...
  7. Bostonears

    New tube amp: the Cayin HA-1A MK2

    Yep. And it's friggin' great.
  8. Bostonears

    Sold: Audio-GD NFB-1.32 DAC

    Git yer DAC heah.
  9. Bostonears

    New tube amp: the Cayin HA-1A MK2

    You might try a different 12DT5 tube
  10. Bostonears

    Sold: Audio-GD NFB-1.32 DAC

    For sale is my Audio-GD NFB-1.32 DAC. Features include: Sabre ES9018 DAC chip fully balanced design no feedback asynchronous USB input (including DSD support) two coaxial inputs two optical inputs top-notch power supply circuitry high/low gain setting both balanced and unbalanced analog...
  11. Bostonears

    Shure SE535: Reviews and First Impressions Thread

    The "best" tips are highly dependent on your ears, i.e. the shape of your ear canals, and your preferences in listening. Personally, I prefer the "black olive" tips, but YMMV.
  12. Bostonears

    For Sale: Woo Audio WA6 Headphone Amp Many extra tubes. $490

    Here's a Head-fier looking for a 1st gen:
  13. Bostonears

    For Sale: Woo Audio WA6 Headphone Amp Many extra tubes. $490

    1st gen or 2nd gen? 1st gen uses 6DE7 tubes. 2nd gen uses 13DE7. (I think 2nd gen has only been out for a couple of years.)
  14. Bostonears

    = HiFiMAN HE-560 Impressions & Discussion Thread =

    My guess is that one of the channels has its polarity reversed.
  15. Bostonears

    Brothers in Vinyl

    That Black Widow tonearm is schweeeeet!
  16. Bostonears

    Antique English Listening Chair Lion Head and Claw

    Courtesy bump because that chair looks amazing. (I'd buy it, but I'm on the east coast.)
  17. Bostonears

    Shanling M2 DAP

    Is it true that the database library can only hold 8,000 songs, even though a 128GB memory card could hold much more?
  18. Bostonears

    CEntrance DACmini DAC/Amplifier Official Thread

    On many PCs, only certain USB ports retain power during sleep mode, and in some cases the BIOS will let you configure whether or not ports retain power.
  19. Bostonears

    Dapper for Mac updates: App to sync iTunes with your DAP

    Any plans to create a PC/Windows version of Dapper?
  20. Bostonears

    Fostex x Massdrop TH-X00 Review

    My desktop amps are neither big, nor clunky, but they sound fabulous. I have yet to hear a portable amp that I like the sound of better than my CEntrance DACmini driving HiFiMan HE-560.   The actual issue for me isn't impedance, it's sensitivity. The HiFiMan planar magnetic phones are somewhat...
  21. Bostonears

    Fostex x Massdrop TH-X00 Review

    I'd be more inclined to buy these if they were higher impedance. I have no intention of ever taking phones like these on the go, and I can barely crack the volume knob on my desktop amps when using low impedance phones.