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Dual monaural USB DAC/headphone amplifier supporting DSD512 and PCM32/768
The UD-505 is a flagship dual monaural USB DAC with an integrated fully-balanced headphone amplifier, that fuses high-end audio design concepts and TEAC′s decades of audio design experience, in an A4-sized footprint.
Like its predecessor models, the UD-501 and UD-503, it employs a dual monaural circuit design to process audio signals with even greater purity, with the latest VERITA AK4497 DAC chip used on each of the two channels. This improves the S/N (signal to noise) ratio by processing each channel individually in monaural mode, as well as delivering DSD512 (22.5MHz) native and 768kHz/32-bit PCM playback capabilities.
The analogue section, which is one of the keys to sound quality, includes four TEAC-HCLD buffer amp circuits process different drive modes, − fully-balanced drive for balanced output, and parallel drive mode for unbalance output, − to achieve enhanced acoustic expressive.
The headphone section is remarkable. A totally new 4.4mm headphone jack, called Pentaconn, is employed, allowing balanced and active ground connections within a single jack, while conventional 1/4” phone jacks are also provided. In addition to a wide range of digital and analogue inputs, a Bluetooth® receiver supporting LDAC™ and Qualcomm® aptX HD™ allows you to enjoy high-quality wireless audio streaming from your smartphone on this flagship USB DAC.
The UD-505 is a compact and high-spec USB DAC and headphone amplifier that supports today′s high sampling rate Hi-Res formats.
Main functions
*1 Pentaconn is a registered trademark of NIPPON DICS Co., Ltd., conforms to the RC-8141C JEITA standard
*2 Japan patent No. 4075477 and No. 3778108
*3 Bulk Pet is a registered trademark of Interface Corporation.
Important: Conținutul acestei descrieri de produs a fost tradus automat și poate conține erori atât de vocabular, cât și de sintaxă și gramatică.
Specificatii | Specifications Supported formats USB input PCM 16/24/32-bit, 44.1/48/88.2/96/176.4/192/352.8/384/705.6/768 kHz DSD 2.8/5.6/11.2/22.5 MHz Coaxial digital input PCM 16/24-bit, 32/44.1/48/88.2/96/176.4/192 kHz DSD 2.8MHz (supported with 176.4kHz/24-bit DoP format) Optical digital input PCM 16/24-bit, 32/44.1/48/88.2/96/176.4/192 kHz DSD 2.8 MHz (supported with 176.4kHz/24-bit DoP format) DAC section USB DAC Asahi Kasei Microdevices AK4497 × 2 Up-conversion up to 384kHz/32-bit PCM, 22.5MHz DSD Digital filters PCM filters Sharp Roll Off, Slow Roll Off, Short Delay Sharp, Short Delay Slow, Low Dispersion, off DSD cutoff frequencies carrow: 39kHz (at 2.8M), 78kHz (at 5.6M), 156kHz (at 11.2M) or 312kHz (at 22.5M) Wide: 76kHz (at 2.8M), 152kHz (at 5.6M), 304kHz (at 11.2M) or 608kHz (at 22.5M) Audio inputs USB USB B port, USB 2.0, asynchronous mode transfer, bulk transfer Compatible Software TEAC HR Audio Player (Windows, Macintosh) COAXIAL digital (rear) RCA pin × 1 (gold-plated) Input level 0.5 Vp-p Input impedance 75 Ω Optical digital (rear) TOS-link × 1 Input level −24.0 dBm to −14.5 dBm peak Coaxial digital (front) 1/8” (3.5mm) mini* × 1 (combined with optical digital input, detected automatically) Input level 0.5 Vp-p Input impedance 75 Ω * 1/8” Mini - RCA conversion cable included. Optical digital (front) 1/8” Mini Optical*× 1 (combined with coaxial digital input, detected automatically) Input level −24.0 dBm to −14.5 dBm peak Analogue (rear) RCA pin × 1 pair (gold-plated) Input impedance 24 kΩ Input sensitivity 130 mV Bluetooth® Bluetooth® version 4.0 Output class Class2 (Range: approx. 33ft / 10m) Supported profiles A2DP, AVRCP Content protection SCMS-T Supported codec LDAC™, Qualcomm® aptX™ HD, aptX™, AAC, SBC co. of paired device maximum 8 devices Audio outputs XLR balanced XLR × 1 pair (gold-plated) Output level Fixed (0 dB), fixed (+6 dB), variable, output off (selectable) Maximum output level 2.0 Vrms (1 kHz, full scale, into 10 kΩ, when set to fixed (0 dB)) 4.0 Vrms (1 kHz, full scale, into 10 kΩ, when set to fixed (+6 dB)) 12.0 Vrms (1 kHz, full scale, into 10 kΩ, when set to variable) Output impedance 188 Ω RCA unbalanced RCA pin × 1 pair (gold-plated) Output level Fixed (0 dB), fixed (+6 dB), variable, output off (selectable) Maximum output level 2.0 Vrms (1 kHz, full scale, into 10 kΩ, when set to fixed (0 dB)) 4.0 Vrms (1 kHz, full scale, into 10 kΩ, when set to fixed (+6 dB)) 6.0 Vrms (1 kHz, full scale, into 10 kΩ, when set to variable) Output impedance 150 Ω Headphone outputs Connector 1 1/4” (6.3mm) TRS stereo jacks × 2 (gold-plated) Polarity (balanced) Tip: HOT, Ring: COLD, Sleeve: cC (GcD) Polarity (unbalanced) Tip: L, Ring: R, Sleeve: GcD Connector 2 4.4mm 5-pole Pentaconn × 1 (gold-plated) Polarity (balanced) Tip: L+, Ring 1: L−, Ring 2: R+, Ring 3: R−, Sleeve: GcD Maximum output Balanced 700 mW + 700 mW (into 32 Ω) Unbalanced 500 mW + 500 mW (into 32 Ω × 1) 350 mW + 350 mW (into 32 Ω × 2) Active ground 500 mW + 500 mW (into 32 Ω) Supported impedances 16−600 Ω Clock section Internal clock Type Crystal oscillator cumber of clocks 2 (44.1kHz and 48kHz) External clock input Connector BcC (gold-plated) Input frequency 10 MHz Input impedance 50 Ω Input level Rectangle wave: equivalent to TTL levels Sine wave: 0.5 to 1.0 Vrms Audio performance Frequency Response 10 Hz − 80,000 Hz (+1/−3 dB, 192kHz PCM input, RCA output, digital filter off) Total harmonic distortion 0.002% or less (192kHz PCM input, RCA output, digital filter off) S/c ratio 110 dB or higher (192kHz PCM input, RCA output, digital filter off) Operating systems Windows Windows 10 Windows 8.1 (32-bit, 64-bit) Windows 8 (32-bit, 64-bit) Windows 7 (32-bit, 64-bit) Macintosh High Sierra (macOS 10.13) Sierra (macOS 10.12) El Capitan (OS X 10.11) Yosemite (OS X 10.10) Mavericks (OS X 10.9) Mountain Lion (OS X 10.8) Lion (OS X 10.7) General Power supply AC 120V 60Hz (US/Canada), AC 230V 50Hz (UK/Europe) Power consumption 18 W (0.3 W in standby) Overall dimensions 290 × 84.5 × 248.7 mm / 11.4” x 3.3” x 9.8” (W x H x D, including protrusions) Weight 4.2 kg / 9.3 lbs. Included accessories Power cord, RCA mini plug adapter cable, remote control (RC-1330), 2 AAA batteries for remote control, 3 feet cushions, Owner's Manual (with warranty) |
- Pentru performante optime este necesara pozitionarea boxelor la o distanta de minim 30-40cm de peretele din spate pentru boxele cu bass-reflex in spate, pentru cele cu bass-reflex in fata, recomandam pozitionarea la o distanta de 10-20cm fata de peretele din spate.
- Boxele vor ajunge sa functioneze in parametrii recomandati de producator, dupa minim 50 de ore (ideal 100 ore) de functionare la volum mediu. In aceasta perioada de timp, de “rodaj a boxelor”, sunetul va fi la inceput ceva mai artificial, bass-ul nu va fi inca controlat, inaltele rigide iar vocile usor retinute, pe masura ce boxele vor functiona, veti remarca cum bas-ul devine mai controlat, mai prezent si mai voluminos, vocile si sunetele medii devin naturale si mai echilibrate, iar inaltele devin rafinate si detaliate. Exista boxe care necesita un „rodaj” mai amplu de minim 300 de ore mai ales in cazul celor care au difuzoare de kevlar, carbon sau alte materiale de acest tip. Boxele care se „rodeaza” cel mai repede sunt cele care au difuzoare de celuloza.
- Pentru performante optime este necesar „rodarea” echipamentului, In functie de complexitatea componentelor din aparatul dumneavoastra acesta poate dura intre 30-200 ore.
- Rodajul se face la volum minim, fiind astfel suficient faptul ca acesta este alimentat corect conform manualului de utilizare la 220-230 Volti si trece semnal audio sau video dupa caz prin el.
- Echipamentul supus „rodajului” va ajunge sa functioneze in parametrii recomandati de producator, dupa perioada mai sus mentionata. In aceasta perioada de timp, de “rodaj”, sunetul va fi la inceput ceva mai artificial, bass-ul nu va fi inca controlat, inaltele rigide iar vocile usor retinute, pe masura ce echipamentul va functiona, veti remarca cum bas-ul devine mai controlat, mai prezent si mai voluminos, vocile si sunetele medii devin naturale si mai echilibrate, iar inaltele devin rafinate si detaliate.
- Pentru performante optime este necesara „rodarea” cablurilor, In functie de complexitatea conductorului folosit, cat si geometriei acestuia, „rodajul” poate dura intre 30-100 ore.
- Rodajul se face la volum minim, fiind astfel suficient faptul ca va trece semnal audio sau video dupa caz prin el.
- Cablul supus „rodajului” va ajunge sa functioneze in parametrii recomandati de producator, dupa perioada mai sus mentionata. In aceasta perioada de timp, de “rodaj”, sunetul va fi la inceput ceva mai artificial, pe masura ce cablul va functiona, veti remarca cum bas-ul devine mai controlat, mai prezent si mai voluminos, vocile si sunetele medii devin naturale si mai echilibrate, iar inaltele devin rafinate si detaliate.
Pentru detalii privind aceste aspecte de rodaj si nu numai, va rugam sa ne consultati!