Народ!
Я тут решил кардинально покончить проблему с дохнущими лазерными головкакми, замену которым почас просто невозможно найти, и приобрёсти себе внешний ДАК. Вот такая мне попалась штукенция за 110 баксов - Entech DAC Number Cruncher 205.2
Вот что о нём пишут (прочитал перед тем, как купил):
This DAC raises a few questions as to what sonic performance you can buy for less than $300. Advertised as a 20-bit unit, the Entech comes in a compact, brushed-aluminum package with black trim. It accepts 32 kHz to 48 kHz sampled digital audio signals on TOSlink (optical) or RCA (coax) connectors, with either consumer (S/PDIF) or professional (AES/EBU) channel status bits. …
Internal construction is clean and Spartan with five voltage regulators, metal film resistors throughout, and polypropylene and polystyrene coupling and filter caps. Active ICs are the Crystal Semiconductor 4329 DAC with integral digital filter, the Crystal 8412 digital audio receiver and a Burr-Brown op-amp as audio output driver and low-pass filter. …
The Entech DAC combines Crystal Semiconductor's latest jitter-free technology with audiophile topology, but at a cost of less than a tenth of my reference DAC.
My first listening test was with test tones, not music. I was pleased that no harmonic distortion was evident whether I fed the Entech a dithered -60 dB FS 16-, 20- or 24-bit sine wave. This is good news. It means that even though it's advertised as a 20-bit DAC, it isn't necessary to redither digital sources to 20 bits to properly audition them; though the noise floor of a DAC may be 20 bits, it is possible to hear 24-bit tones through that noise floor. The bench tests confirm this.
I listened to the Entech 203.2 DAC with a variety of high-quality 16-, 20- and 24-bit music sources, including CDs, 30 IPS 1/2" master tapes digitized through my UA A/D converter, and the 24-bit output of my Sonic Solutions workstation. The sound of the Entech is very good. It's musical and pleasant to listen to, clean, with imaging and definition just a bit vaguer and less defined than that of my far more expensive reference DAC.
The Entech's bass is a touch looser than the reference DAC's and the high end is a little brighter (cymbals are a bit metallic), but not very hard, even when driven to full level.
For its pleasant sound and no serious faults, I give the sound of the Entech a solid B rating and it stands up very well against an A+ unit like the Counterpoint.
Putting that B grade into perspective, the Entech 203.2 is better-sounding and easier on the ears than many professional DACs. …
Crystal Semiconductor's new line of 1-bit DACs use switched-capacitor analog filters, which the company claims renders the DAC virtually immune to source jitter. … I find the Entech is far less sensitive to jitter differences than my reference DAC. Before the invention of the Crystal DACs with the integral switched-capacitor filter, 1-bit DACs have been highly susceptible to jitter. It might not take much additional internal circuitry to make the Entech unit audibly unaffected by jitter. …
Incidentally, over the headphones, the differences between my reference DAC and the Entech were far less than I had heard through the speakers. The Entech 203.2 sounded warm, tight and clear through the headphones and I no longer had a preference. …
The Entech 203.2 has very good sound. It will improve the sound of DAT machines, serve well as the main DAC for project or mainstream recording studios, replace the integral DACs in digital consoles, do well in surround-sound applications, or act as a second, or utility, DAC for high-end mastering studios.
Bob Katz, president and mastering engineer of Digital Domain in Orlando, Fla, is a contributor to Pro Audio Review.
Звучит на бумаге неплохо.
Я присоединил эту игрушку к двум цифровым выходам сидюка Pioneer PD-7300. Правда, у меня пока нет хорошего коаксиала, так что оптический вход показал, пока что, лучший результат. Я там использовал оптоволоконый кабель Real Cable G.OTT70-S/1m, а аналоговый сиглнал пускал через пионеровский пред С-900 вкупе с аналогичным ему усилком мощности.
По моему, звучил не хуже моего умирающего Luxman DX- 103. Правда NAD 501, уступая по прозрачности, детализации и пр., звучит, всё же, несколько помелодичнее, но, может быть, дело здесь и в кабеле. Когда достану хорошую коаксиалку – сравню и сообщу.
Но общее впечатление вполне замечательное. Во всяком случае, за такие деньги такой апгрейд, по моему, вполне достойная алтернатива килобаксовым сиди плейерам.
Я тут решил кардинально покончить проблему с дохнущими лазерными головкакми, замену которым почас просто невозможно найти, и приобрёсти себе внешний ДАК. Вот такая мне попалась штукенция за 110 баксов - Entech DAC Number Cruncher 205.2
Вот что о нём пишут (прочитал перед тем, как купил):
This DAC raises a few questions as to what sonic performance you can buy for less than $300. Advertised as a 20-bit unit, the Entech comes in a compact, brushed-aluminum package with black trim. It accepts 32 kHz to 48 kHz sampled digital audio signals on TOSlink (optical) or RCA (coax) connectors, with either consumer (S/PDIF) or professional (AES/EBU) channel status bits. …
Internal construction is clean and Spartan with five voltage regulators, metal film resistors throughout, and polypropylene and polystyrene coupling and filter caps. Active ICs are the Crystal Semiconductor 4329 DAC with integral digital filter, the Crystal 8412 digital audio receiver and a Burr-Brown op-amp as audio output driver and low-pass filter. …
The Entech DAC combines Crystal Semiconductor's latest jitter-free technology with audiophile topology, but at a cost of less than a tenth of my reference DAC.
My first listening test was with test tones, not music. I was pleased that no harmonic distortion was evident whether I fed the Entech a dithered -60 dB FS 16-, 20- or 24-bit sine wave. This is good news. It means that even though it's advertised as a 20-bit DAC, it isn't necessary to redither digital sources to 20 bits to properly audition them; though the noise floor of a DAC may be 20 bits, it is possible to hear 24-bit tones through that noise floor. The bench tests confirm this.
I listened to the Entech 203.2 DAC with a variety of high-quality 16-, 20- and 24-bit music sources, including CDs, 30 IPS 1/2" master tapes digitized through my UA A/D converter, and the 24-bit output of my Sonic Solutions workstation. The sound of the Entech is very good. It's musical and pleasant to listen to, clean, with imaging and definition just a bit vaguer and less defined than that of my far more expensive reference DAC.
The Entech's bass is a touch looser than the reference DAC's and the high end is a little brighter (cymbals are a bit metallic), but not very hard, even when driven to full level.
For its pleasant sound and no serious faults, I give the sound of the Entech a solid B rating and it stands up very well against an A+ unit like the Counterpoint.
Putting that B grade into perspective, the Entech 203.2 is better-sounding and easier on the ears than many professional DACs. …
Crystal Semiconductor's new line of 1-bit DACs use switched-capacitor analog filters, which the company claims renders the DAC virtually immune to source jitter. … I find the Entech is far less sensitive to jitter differences than my reference DAC. Before the invention of the Crystal DACs with the integral switched-capacitor filter, 1-bit DACs have been highly susceptible to jitter. It might not take much additional internal circuitry to make the Entech unit audibly unaffected by jitter. …
Incidentally, over the headphones, the differences between my reference DAC and the Entech were far less than I had heard through the speakers. The Entech 203.2 sounded warm, tight and clear through the headphones and I no longer had a preference. …
The Entech 203.2 has very good sound. It will improve the sound of DAT machines, serve well as the main DAC for project or mainstream recording studios, replace the integral DACs in digital consoles, do well in surround-sound applications, or act as a second, or utility, DAC for high-end mastering studios.
Bob Katz, president and mastering engineer of Digital Domain in Orlando, Fla, is a contributor to Pro Audio Review.
Звучит на бумаге неплохо.
Я присоединил эту игрушку к двум цифровым выходам сидюка Pioneer PD-7300. Правда, у меня пока нет хорошего коаксиала, так что оптический вход показал, пока что, лучший результат. Я там использовал оптоволоконый кабель Real Cable G.OTT70-S/1m, а аналоговый сиглнал пускал через пионеровский пред С-900 вкупе с аналогичным ему усилком мощности.
По моему, звучил не хуже моего умирающего Luxman DX- 103. Правда NAD 501, уступая по прозрачности, детализации и пр., звучит, всё же, несколько помелодичнее, но, может быть, дело здесь и в кабеле. Когда достану хорошую коаксиалку – сравню и сообщу.
Но общее впечатление вполне замечательное. Во всяком случае, за такие деньги такой апгрейд, по моему, вполне достойная алтернатива килобаксовым сиди плейерам.
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