Firestone Audio Spitfire MK2 [DAC, ЦАП, PCM1793, DIR9001].

Firestone Audio Spitfire MK2 [DAC, ЦАП, PCM1793, DIR9001]. Гарний музикальний ЦАП на базі Burr Brown PCM1793. В ремонті і апгрейді не був. Працює бездоганно. Має можливість легкої заміни операційного підсилювача. witchdoctor.co.nz/2011/firestone-audio-spitfire-mkii-dac-review/ Specifications Amplifier Structure: Low Pass Filter with 2Vrms output Power Structure: Virtual- Ground Power Supply Support Format (Coax/optical): 24-bit/96khz (Max) Support Format (USB): 16-bit/48Khz (Max) Circuit Protect: Output short/Over current Protect Receiver Chip: TI-DIR9001 DAC Chip: TI-PCM 1793 USB Chip:TI-2704 LPF Opamp: NS-LM4562NA Audio Performance (1Khz Sine Wave, 2Vrms output, 24/48 KHz) Coaxial Input Frequency Response (From 40Hz to 15 KHz): 40Hz +0.01dB, 15 kHz � 0.05dB Noise Level (1 KHz, A-Weighted): -112.1 dB Dynamic Range (1 kHz, A-Weighted):112.1dB THD%:0.0040% Stereo Crosstalk:-109.8dB Audio Performance (1 kHz sine wave, 2Vrms output, 16-bit /48 kHz) USB Input Frequency Response (From 40Hz to 15 kHz):40Hz +0.01dB, 15 KHz -0.12dB Noise Level (1 kHz, A-Weighted): -96.1dB Dynamic Range (1 kHz, A-Weighted):96.1dB THD%:0.0040% Stereo Crosstalk:-96.0dB Connectivity Digital Input: 1 X Coax Jack 1 X Optical Jack 1 X USB Jack Line Output: 1 X RCA Jack.