1. estreeter

    NAD M51 Direct Digital DAC Impressions

    I dont know if anyone here has this DAC, but Stereo Net Australia board member lil Caeser seems to have heard most of the current ~$1K front-runners and rates the M51 very highly   Just ignore that stuff about the Lampizator unless you happen to have 5K ......   NAD Product Page...
  2. hifihead

    Questyle CMA800R with Sennheiser HD800 vs CEC HD53N balanced amp review

    Please keep in mind that I only tested jazz music for this review because that is the main genre I listen to. I used for this review the Sennheiser hd800 headphone. The Questyle cma800r is $1500 including shipping and the CEC hd53n is $1150 including shipping. I used the cma800r single-ended...
  3. TooPoor

    Best ~$1k amp for HE-500

     I asked in the HE-500 thread and got some some good responses, but not everyone who owns, or has owned, a HE-500 still reads that thread. I figured I'd ask here. I'll lay down some criteria and make it easy!   1. I've owned a Lyr. Liked it, not interested in another one. But what about that...
  4. Omphalopsychite

    Next step: CMA800R or CAS192?

    My current rig is an iBasso DX100 >Lehmann  Black Cube Linear > Sennheiser HD800s   It sounds great but now am considering the next step on the journey.   After extensive reading I've decided on the Questyle CMA800R amp and CAS192 DAC as cost-effective upgrades but can't afford both at the...
  5. project86

    Review: Questyle CMA800 Current Mode Amplifier

    This review is one of the most difficult I've had in quite some time. Not because the product had flaws, or because I couldn't make sense of what I was hearing (which sometimes happens), but because I struggled to understand the concept behind the design. I'm still not totally convinced that I...
  6. Questyle CMA800R Current Mode Headphone Amplifier silver

    Questyle CMA800R Current Mode Headphone Amplifier silver

    Gain: 15.5dB Max output amplitude: 7Vrms THD+N: 0.0004% @ 1 kHz, 20mW/300¦¸load SNR: 120 dB Frequency response: DC-650kHz (-3 dB) Input sensitivity: 1.2Vrms Input impedance: 10K Input interface: a group of XLR or RCA, panel switch is switchable Output interface: 2 standard stereo headphone...