features
The DSD differential discrete DAC. The analog filter with high quality precision 0.1% thin film Nichrome chip resistors. Differential to single-ended signal conversion by Lundahl line input transformer. AK4137 Asahi Kasei premium 32 bit digital sample rate converter SRC. THD+N: Up to -150dB. Dynamic Range: 186dB.

Two ways of use PCM to DSD conversion. All digital file format audio are conversion by computer software or hardware processor on board. HQPlayer, Foobar2000 or similar high resolution audio player for DSD. Compatible with all formats music WAV, FLAC, ALAC, DSF and lossless audio streaming platforms Apple, Qobuz, Spotify, TIDAL e.t.c.

Manual control select between the USB audio device and SPDIF inputs. Digital input USB Type B audio adapter Amanero combo384 compatible with Android, Mac, Linux and Windows. Digital input SPDIF coax by WM8804 receiver. Supports output format 32bit: PCM up to 384Khz (USB) and 192Khz (SPDIF). SRC bypass mode for the DSD format: DSD64, DSD128, DSD256.

Pure class-A single ended tube stage. Type 300B, PX25, PX4, 45, 2A3 DHT direct heat power triode. New old stock NOS tubes for UX4 (U4A) socket are matched. European tubes with 4-pin base available with B4 (A4A) adapter. Based on Caddock High Performance Film Resistors. One analog outputs RCA single ended tube output: 2.8V RMS Zout 600 ohm.

Power supply is the best high speed Vicorpower modules. DC-DC converters provide high power density and low noise. Advanced power processing in a small size, up to 90% efficiency. Full range 120-240 Vac network voltage, for worldwide use.

technical specifications
input voltage mains full range 120-240Vac
maximum input power 40W
discrete 1 bit DAC type
4 pin base tube socket U4A
directly heated triode type 5 Volt, 4 Volt or 2.5Volt
2 signal input: USB type B and S/PDIF coax
1 audio output RCA
internal cable OCC copper
terminal rhodium
weight 1,6kg
dimensions W 320 x D 200 x H 28mm