Massdrop CTH+SDAC headphone tube amp and dac for sale in excellent condition. $190 + shipping
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
Input: USB micro
Output: 3.5mm TRS
Power: USB Class 1 (no drivers required for Windows, Mac, or Linux)
Amp Section
Massdrop x Alex Cavalli
Frequency response: 20 Hz–20 kHz, -0.2 dB
Maximum power, 50 ohms: 1W Rms per channel
Output impedance: < 0.5 ohm at 1 kHz
THD: < 0.008%, 20 Hz–20 kHz 1 Vrms
THD: 0.0014% at 1 kHz, 1 Vrms with 50R load
IMD: 0.002% CCIF 1 Vrms
SNR: -97 dB, 20 Hz–20 kHz (1 Vrms into 45 ohms)
Crosstalk: -85 dv at 1 kHz
Topology: Capacitor-coupled tube hybrid using 6922 tube, single-ended
Gain: 8x (12 dB)
Input: RCA
Output: 4-pin XLR, ¼ in (6.3 mm) TRS headphone jacks
Protection: Delayed start with muting relay and DC offset detection
Power supply: Wall wart with 28V DC 1.25A
Power consumption: Maximum 35W (28V, 1.25A), ~9W idle
Physical
Chassis material: Anodized aluminum
Dimensions: 8.3 x 9.1 x 2.2 in (21 x 23 x 5.7 cm)
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
Input: USB micro
Output: 3.5mm TRS
Power: USB Class 1 (no drivers required for Windows, Mac, or Linux)
Amp Section
Massdrop x Alex Cavalli
Frequency response: 20 Hz–20 kHz, -0.2 dB
Maximum power, 50 ohms: 1W Rms per channel
Output impedance: < 0.5 ohm at 1 kHz
THD: < 0.008%, 20 Hz–20 kHz 1 Vrms
THD: 0.0014% at 1 kHz, 1 Vrms with 50R load
IMD: 0.002% CCIF 1 Vrms
SNR: -97 dB, 20 Hz–20 kHz (1 Vrms into 45 ohms)
Crosstalk: -85 dv at 1 kHz
Topology: Capacitor-coupled tube hybrid using 6922 tube, single-ended
Gain: 8x (12 dB)
Input: RCA
Output: 4-pin XLR, ¼ in (6.3 mm) TRS headphone jacks
Protection: Delayed start with muting relay and DC offset detection
Power supply: Wall wart with 28V DC 1.25A
Power consumption: Maximum 35W (28V, 1.25A), ~9W idle
Physical
Chassis material: Anodized aluminum
Dimensions: 8.3 x 9.1 x 2.2 in (21 x 23 x 5.7 cm)
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An externally hosted image should be here but it was not working when we last tested it.
An externally hosted image should be here but it was not working when we last tested it.
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