OPTION A: 32 bit 384Khz DSD & PCM compatible USB DAC with RCA+XLR analog output

default tubes : 6V6 x 2 + EL32 x 2 + 3B22 x 2 (Super rectifier)

OPTION B: 32 bit 384Khz DSD & PCM compatible USB + 24/192 SPDIF DAC with RCA+XLR analog output

default tubes : 6L6G x 2 + 6V6 x 2 + 5U4G

(option signal tubes :KT66/KT77/KT88/KT99/KT100/KT120/6550/EL34/5881/6CA7/6V6/6Y6/6F6/6G6/6H6/6L6..and all compatible tubes)

This DAC can take PCM or DSD data stream and convert any into 32bit 384Khz resolution, combined the pure tube rectifer and big output tube section, it can effortlessly convert the digital sound into analoge sound with high-end vinyl playback quality. This is definitely one of the the best sounding 32bit USB DAC on earth. With those big output power tubes like KT66 or 6550 or even KT120, it can effortlessly surpass the sonic performance of any small (6922, 12AX7...etc) / medium (6SL7, 6SN7...etc) size tube DAC and any solid-state DAC in the industry, no matter what price tag they asked for, they are just kindergarden compare with University.

With the USB input capability, the DAC can easily hook up with your computer (MAC / PC compatible) and transform it into a music server, which can play all ripped/downloaded music files or regular CD /DVD

Super enhanced power transformer for "Hanging-in-the-air" 3D imaging, it is also good enough to power up one pair of the power hungry KT120 output tubes and give exception dynamics with high density.

Option A comes with SPDIF coaxial digital output to hook up other DAC which has no USB input capabilities.

Option B comes with SPDIF coaxial digital input for some who want to connect to regular CD/DVD player as well .

Advance microprocessor controlled tube soft-warm-up design, greatly extend life-span of those tubes and prevent start up surge noise. Combine with our newest LNBT (Low-Noise-Big-Tube) design, you can enjoy digital music with super high-end vinyl playback sound quality in unbelievible low noise background.

Hand-wired for tube section in order to achieve super high performance with such a bang-for-buck price tag, according to our customers feedback after they compared ours with many other DACs, we strongly believe this DAC can easily take down other name brands DAC with even over $30K range.

USB Input data rate :

16 bit, 20 bit, 24 bit and 32 bit ( 44.1K/48K/88.2K/96K/176K/192K/352K/384K) in PCM / DSD format

Dynamic range 120db

S/N > 85db

max. output level 2Vrms (RCA) 4Vrms (XLR)

Output : RCA + XLR balanced

Chassis option : Aluminum + plexiglass hybrid (regular) , solid-oak + $250 .

Upgrade option : EL32 (CV1052/VT52) NOS upgrade + $250

DSD64 & DSD256 input data format upgrade add $150