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Drop + THX AAA™ 789 Linear Amplifier
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Drop + THX AAA™ 789 Linear Amplifier
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Product Description
Announced at CES 2018, the Drop + THX Achromatic Audio Amplifier (THX AAA™) 789 is a linear bipolar amplifier with feed-forward error correction. It’s designed for objectivists who appreciate an incredibly clean, transparent amp—the sought-after “wire with gain” whose amplification is wholly uncolored by a sound of its own Read More
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Specs
General
- All parameters measured at 0 dB gain, 1 kHz, with balanced inputs and 300-ohm load unless otherwise noted
- Inputs: Stereo XLR-3 gold-plated Neutrik; Stereo RCA gold-plated
- Outputs: 1/4 in (6.35 mm) TRS gold-plated Neutrik; 3.5 mm TRS gold-plated; XLR-4 balanced gold-plated
- Frequency response: + 0.01 dB / - 0.03 dB 20 Hz–20 kHz; + 0.05 dB / - 0.15 dB 10 Hz–50 kHz
- Input impedance: 50 kOhms balanced or unbalanced
- Chassis: High-grade CNC-milled aluminum with bead-blasted finish
- Power supply: 24 VDC inline brick, universal input 100–240 VAC
- Dimensions: 8.3 x 9.1 x 2.2 in (210 x 230 x 57 mm)
- Weight: 3.4 lbs (1,520 g)
Balanced Output
- Output power: 6000 mW, 16 ohms, <1% THD (watts per channel)
- Output power: 6000 mW, 32 ohms, <1% THD (watts per channel)
- Output power: 800 mW, 300 ohms, <1% THD (watts per channel)
- Output power: 400 mW, 600 ohms, <1% THD (watts per channel)
- THD: -143 dB, 300 ohms, 1 mW: 0.000007%
- THD: -140 dB, 300 ohms, 100 mW: 0.000010%
- THD: -130 dB, 32 ohms, 1 mW: 0.000032%
- THD: -130 dB, 32 ohms, 100 mW: 0.000032%
- THD: -122 dB, 16 ohms, 1 mW: 0.000080%
- THD: -122 dB, 16 ohms, 100 mW: 0.000080%
- IMD: -123 dB, SMPTE 70 Hz + 70 kHz, 300 ohms: 0.000071%
- IMD: -124 dB, DFD 18 kHz + 19 kHz, 300 ohms: 0.000063%
- Crosstalk: -127 dB, 300 ohms: 0.000045%
- Noise (A-wt): 2.4 uV, potentiometer at nil
- SNR: 136 dB, 300 ohms, <1% THD
- Gain: 0.66x , 2.0x, 6.6x (-4, +6, +16 dB), selectable via front switch
- Output impedance: < 0.1 ohms
Single-Ended Output
- Output power: 3000 mW, 16 ohms, <1% THD (watts per channel)
- Output power: 1800 mW, 32 ohms, <1% THD (watts per channel)
- Output power: 200 mW, 300 ohms, <1% THD (watts per channel)
- Output power: 100 mW, 600 ohms, <1% THD (watts per channel)
- THD: -143 dB, 300 ohms, 1 mW: 0.000007%
- THD: -135 dB, 300 ohms, 100 mW: 0.000018%
- THD: -135 dB, 32 ohms, 1 mW: 0.000018%
- THD: -133 dB, 32 ohms, 100 mW: 0.000022%
- THD: -130 dB, 16 ohms, 1 mW: 0.000032%
- THD: -125 dB, 16 ohms, 100 mW: 0.000056%
- IMD: -117 dB, SMPTE 70 Hz + 70 kHz, 300 ohms: 0.000141%
- IMD: -125 dB, DFD 18 kHz + 19 kHz, 300 ohms: 0.000056%
- Crosstalk: -90 dB, 300 ohms: 0.003162%
- Noise (A-wt): 1.2 uV, potentiometer at nil
- SNR: 136 dB, 300 ohms, <1% THD
- Gain: 0.33x , 1.0x, 3.3x (-10, 0, +10 dB), selectable via front switch
- Output impedance: < 0.05 ohms
Included
- Switching power supply that handles 100–240 VAC (US plug; adapter needed for global use)
- Manufacturer’s 1-year warranty
RETURNS—NO QUESTIONS ASKED
We get it. Sometimes what you ordered just doesn’t work out. If that’s the case for you, don’t fret! All customers (both US and international) may return this item in new, unused condition within 30 days of delivery.
Shipping
Estimated ship date is July 24, 2023 PT.
Payment will be collected at checkout. Cancellations are accepted up to 2 hours after checkout for in-stock items, or up until pre-order ships.
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