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Naleteo sam na interesantan kit : Dual ES9018 balanced/unbalanced. Cena mu je 468 USD. specifikacija: DAC Dual ES9018 balanced/unbalanced 1 The DAC unit designedto use the highest industry benchmarks DAC chip ES9018, one DAC chip just handle one channel. 2.DAC board built-in microcontroller, software control ES9018 work in MONO mode, duel DAC chip for L & R channel separately. 3. Three control buttons, a mute button, an input signal selection key, a FIR roll-off mode selection key. 4. 5 source input port, two fiber optic ports, a coaxial port, an AES / EBU ports, an IIS port, source selected by a pushing key switch. 5.LED indicates the current source and the lock status, real-time display the sampling rate of the current input source. VFD display included can display the status. 6. two stage regulated voltage source supply to get a better power supply ripple rejection rate, each ES9018 DAC chip with its own regulated power supply. The regulator chip using 1086 Series. 7. analog stage using the four set of bi-op amp., with I C socket for easyreplacement and exchange difference grading op-amp components, the default precision op amp with TI / BB OPA1612. 8.ES9018 clocking to use TCXOwith 0.3ppm. 9. Double Sidedwith think copper PCBis used, signal and power traces are carefully handled. 10. audio output connectorswelded to the DAC board directly, coaxial port, RCA port are made of high-grade gold-plated terminals, balanced terminalconnector with Neutrik brand. 11. Power supply 0-15V x2 & 0-9V x4 12. DAC board size : 310mm x 225mm x 40mm http://www.ebay.com/...=item337c2ee7ae Fotografje: Kako Vam se ovo čini?