Datasheet

HP-A8C Main Features
• Precision32bitD/Aconverter(AsahiKasei’s
AK4399)with‘all-discrete’analogcircuitry
• ComplieswithUSBAudioClass2.0upto32bit/
192kHz (24bit on Windows)
• AsynchronousmodeviapreciseTCXOclock*
• Highlyprecise‘electronicvolume’level
adjustment
• Largecapacitytoroidalpowertransformer
• DSDfilereproductionviabuilt-inSD(SDHC)card
driveorviaUSB**
• Selectablebetweentheinternalclockandthe
externalclock(exceptforUSBandSDcard)
• Built-inx2andx4up-samplingfunctions
• DigitalFilteroptions:conventional“sharproll-
off” or “minimum delay” - developed by Asahi
Kaseitoeliminatepre-echo
• DirectOutmodebypassingthevolumecontrol
• Variableheadphoneamplifier’sgainfrom0dBto
-12dBin0.5dBstepsforperfectmatchingwith
almost any type (& brand) of headphones
• Twofrontmountedheadphoneoutputs
• Comprehensiveinputoptionsincluding:USB,
AES/EBU,Coaxial,Optical(x2)andanalogRCA
• Choiceofdigital(Coaxial,Optical)andanalog
(RCA) outputs
• DedicatedRemoteController
• Stunningenclosurewithglassfrontand
sculptured side panels
• Beautifulwhite‘high-viz’organicLEDdisplay
*(TemperatureCompensatedCrystalOscillator)
**byfuturefirmwareupdate
HP-A3 Main Features
• BuspoweredviaUSB(noneedforexternalAC
power unit)
• Compatiblewithaudiosourcesupto
24bit/96kHz
• Highqualityanalogheadphoneamp-canbe
used with any type (or brand) of headphones
• Equippedwithhigh-gradeAKM32bit(*)
DAC(AsahiKasei’sAK4390)
• CondensersandOPampdesignedexclusively
for audio products
• USB/Digital(Optical)inputselector
• Headphones/RCA(Analog)outputselector
• DoublesasD/DconverterfromUSBdigitalaudio
to Optical
• AnUSB/ACadapterfromtheshelfcanbeused
for use as an Optical / Analog converter
Note:WhenusingtheUSBinput,thesamplingfrequencyisfixedat96kHz.
Audio file with Fs 32k/44.1k/48kHz will be reproduced by upsampling to
96kHz and the S/PDIF Out is also fixed at 96kHz.
HP-A8C 32bit DAC Headphone Amp
HP-A3 32bit DAC TH900 Reference Headphones
TH900 Main Features
• Neodymiummagneticcircuitutilisingthe
magnetic repulsion system with the 1.5 tesla
(15,000 gauss) magnetic flux density results in
an ultra-wide dynamic range
• Unique“Biodyna”diaphragm*forsupremehigh
resolution sound reproduction
• EarhousingsmadeusingJapaneseCherryBirch
(BetulaGrossa)-therigidanddensetexture
means maximum acoustic performance.
• Earhousingsfinishedwithtraditional“Urushi”
lacquer and simply look gorgeous
• PlatinumfoiledFostexlogos
• Earpadscomposedofproteinleathermade
from eggshell membrane for maximum comfort
• 7Ngrade(99.99999%)OFC(OxygenFree
Copper) cords with duralumin plug