“ I was able to convince Steve Deckert, head Zen of Decware, to send me his Zen CSP2 headphone preamp for review. While the CSP2 is also marketed as a preamp, I did not try it as such. It does have 2 inputs, and trim pots for the preamp outs. The CSP2 is an OTL (Output Transformer-Less) design. Manufacturer's website: DECWARE / High Fidelity Engineering Co. The CSP2 is housed in a nice wood...” --Skylab
“This review is based on matching the Mini X with Hifiman He-500 Headphones. You may be reading this review, unsure what to make of this Amp, asking how can a cheap sub $200 amp offer the power needed for an expensive Headphone such as the Hifiman He-500? If you have done your homework you will find this is the stereo amp everybody is...” --fluidz
“ ****Note**** As always, these are strictly my opinions. I try to present these products as honestly as possible and try to describe them as best as possible. As always, YMMV. ****NOTE**** FISCHER AUDIO MYSTIFY PORTABLE HEADPHONE AMP SPEC’S: Frequency “flatness”: +/- 0.5db Dynamic Range: 110 db Total Harmonic Distortion: 0.001% Intermodulation...” --LFF
Redesigned from the ground up to be a planar headphone amplifier that will also drive loudspeakers. Balanced Outputs.
The Mini Torii is a 6V6 BASED SINGLE-ENDED CLASS A dual mono amplifier. It features tube rectified power supplies using EZ90 tubes, an OA3 tube voltage regulated output tube stage, OC2 tube voltage regulated input stages and dual stepped volume controls.
The Zen Head was voiced to be musical and non-fatiguing with an openness typically only found in the sound stage between your speakers or of course a live performance. You can listen to them literally all day with zero fatigue. Layers of detail are here, as well as some impressive dynamics and range, but nothing is over done or artificially featured that shouldn't be. Voiced with Burr...
UPA-200 represents a true breakthrough in audiophile-quality amplification. At last, a truly affordable stereo power amplifier that can satisfy the most discerning aficionado, and at the same, is affordable to anyone with a desire for real quality. Our advanced engineering and design techniques have resulted in an amazing new amplifier. Its rock solid performance and affordable price point...
Frequency range: 10Hz-20kHz Amplitude-frequency responce (AFR) irregularity within the frequency range: 0.3 dB Dynamic range: 110 dB Harmonic distortions: 0.002 % Intermodulation distortion (CCIF) 0.006 % Interpenetration of channels at frequency 1 kHz: -73dB Rated input voltage: 0.5 Maximalinput voltage: 3.5 V Maximal output voltage at the non loaded output: 10 V Maximal undistorted power...