O2 + SDAC - Beyerdynamic DT 770 PRO 80 ohm
Säjer av mina lurar och min DAC/AMP
Beyerdynamic DT 770 PRO 80 ohm - inköpta 2017-08-01
- Utropspris 750kr
O2 + SDAC Massdrop made 2017-09-26. Nypris 153 dollar + moms/tull
- Utropspris 1000kr
Specs
DAC Section
Massdrop x Grace Design
DAC chip: AKM AK4452
Audio formats: Up to 24 bit/96 kHz
Frequency response, 20Hz–20 kHz: +/-0.02 dB
THD+N at 20 Hz -0.15 dBFS: 0.0013%
THD+N at 100 Hz, -0.15 dBFS: 0.0013%
THD+N at 10 kHz, -0.15 dBFS: 0.0024%
IMD CCIF, -6.03 dBFS, 19/20kHz, 24/96k: 0.0005%
IMD SMPTE -6 dBFS, 24/96k: 0.0015%
Noise, A-weighted: -105 dBu
Dynamic range, A-weighted: >114 dB
Linearity, -90 dBFS: -0.07 dB
Crosstalk at 1 kHz, -10 dBFS (3.5mm jack): -102 dB
Sum of jitter components at 11,025 Hz, -1 dBFS: -133 dB
Maximum output: 2.15VRMS
USB controller: XMOS XU208-128-TQ64
Inputs: USB micro
Output: RCA
Power: USB Class 1 (no drivers required for Windows, Mac, or Linux)
Amp Section
Input: RCA, SDAC (when powered)
Output: 6.35 mm
Power: AC adapter included (purchase separately: plug adapter for your country’s outlet)
Gain: 1.0x and 3.3x
Frequency response: +/-0.1 dB (20 Hz–20 kHz)
THD (1 kHz, 150 ohms): 0.0016%
IMD CCIF (15 ohms): 0.001%
IMD SMPTE: 0.002%
Noise (ref 400 mV): -105 dB
Max output (33 ohms): 613 mW
Max output (150 ohms): 355 mW
Max output (600 ohms): 88 mW
Output impedance: 0.54 ohms
Crosstalk (15 ohms): -65 dB
Channel balance (50% volume): 0.6 dB
Physical
Front ¼ in (6.35 mm) output
Rear RCA input/output
Rear microUSB
Rear power
Chassis material: Anodized aluminum
Case dimensions: 4.12 x 3.87 x 1.12 in (10.46 x 9.82 x 2.85 cm)
Weight: 9.28 oz (263 g)
