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DROP + THX AAA ONE LINEAR AMPLIFIER headphone - $145
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SPECS
General
All parameters measured at 0 dB gain, 1 kHz, with unbalanced inputs and 300-ohm load unless otherwise noted
Inputs: Stereo RCA gold-plated
Outputs: 1/4 in (6.35 mm), TRS gold-plated Neutrik, Stereo RCA preamp gold-plated
Frequency response: + 0.01 dB / - 0.03 dB 20 Hz – 20 kHz
Input impedance: 1 kOhms
Crosstalk: -93 dB, 300 ohms: 0.002240%
Noise (A-wt): 0.95 uV, potentiometer at nil
SNR: 140.2 dB, 300 ohms, <10% THD
Gain: 0.25x , 1.0x, 4.0x (-12, 0, +12 dB), selectable via front switch
Chassis: High-grade CNC-milled aluminum with bead-blasted finish
Power supply: 30 VDC inline brick, switching power supply that handles 100–240 VAC (US plug; adapter needed for global use)
Dimensions: 8.1 x 8.1 x 1.5 in (20.7 x 20.6 x 3.9 cm)
Weight: 2.6 lbs (1.3 kg)
Single-Ended Output
Output power: 1500 mW, 16 ohms, <1% THD (watts per channel)
Output power: 2700 mW, 32 ohms, <1% THD (watts per channel)
Output power: 280 mW, 300 ohms, <1% THD (watts per channel)
Output power: 140 mW, 600 ohms, <1% THD (watts per channel)
THD: -142 dB, 300 ohms, 1 mW: 0.000008%
THD: -118 dB, 300 ohms, 100 mW: 0.000126%
THD: -120 dB, 32 ohms, 1 mW: 0.000100%
THD: -130 dB, 32 ohms, 100 mW: 0.000032%
THD: -117 dB, 16 ohms, 1 mW: 0.000140%
THD: -132 dB, 16 ohms, 100 mW: 0.000025%
IMD: -114 dB, SMPTE 70 Hz + 7 kHz, 300 ohms, 1 V: 0.000398%
IMD: -131 dB, DFD 18 kHz + 19 kHz, 300 ohms, 1V: 0.000028%
Crosstalk: -93 dB, 300 ohms: 0.002240%
Noise (A-wt): 0.95 uV, potentiometer at nil
SNR: 140.2 dB, 300 ohms, <10% THD
Gain: 0.25x , 1.0x, 4.0x (-12, 0, +12 dB), selectable via front switch
Output impedance: < 0.1 ohms
Preamp Output
Output voltage: 9.0 V / +21 dBu, <1% THD, 600 ohms load
Output power: 140 mW, 600 ohms, <1% THD (watts per channel)
Output impedance: < 0.1 ohms
THD: -142 dB, 600 ohms, 1 mW: 0.000008%
THD: -118 dB, 600 ohms, 50 mW: 0.000126%
IMD: -114 dB, SMPTE 70 Hz + 7 kHz, 600 ohms, 1 V: 0.000398%
IMD: -131 dB, DFD 18 kHz + 19 kHz, 600 ohms, 1V: 0.000028%
Crosstalk: -110 dB, 600 ohms: 0.000300%
Noise (A-wt): 0.95 uV, potentiometer at nil
SNR: 140.2 dB, 600 ohms, <10% THD
Gain: 0.25x , 1.0x, 4.0x (-12, 0, +12 dB), selectable via front switch
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