Singxer SA-1 Balanced Headphone Amplifier
Singxer SA-1 Balanced Headphone Amplifier
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Product Description
For headphones in need of classic tube amplification with modern performance, the SA-1 balanced headphone amp from Singxer is a class-leading fit. Equipped with Singxer’s own custom, four-way fully discrete Class A amplifier circuit, the SA-1 is all analog—from the internals all the way to the controls Read More
All Analog, No Distortion

For headphones in need of classic tube amplification with modern performance, the SA-1 balanced headphone amp from Singxer is a class-leading fit. Equipped with Singxer’s own custom, four-way fully discrete Class A amplifier circuit, the SA-1 is all analog—from the internals all the way to the controls. A precision-matched, ultra-low-noise dedicated tube from ROHM handles the differential input, while consistent SWD twin tubes take care of amplification elsewhere. The final output circuit uses multi-stage current amplification, with two pairs of ON Semiconductor's 4A mid-power tubes to drive any pair of headphones with ease. This pure analog design delivers warm and expressive amplification devoid of any EMI interference caused by digital components, making the SA-1 loud, and quiet, in all the right ways.

Specs
  • Singxer
  • Headphone amplifier and preamplifier
  • Amplification type: Class A
  • ROHM differential input tube, SWD twin tubes, two pairs of ON Semiconductor 4A mid-power tubes
  • Housing material: Aluminum
  • Inputs: (1) balanced XLR, (1) single-ended RCA
  • Outputs: (1) Balanced XLR, (1) single-ended RCA, (1) balanced 4.4 mm headphone out, (1) balanced XLR 4-pole headphone output, (1) single-ended 6.35 mm headphone output
  • THD+N: -120 dB (1 kHz, A-Weighting, 20Hz – 22kHz); -96 dB (low gain, 1 kHz, A-Weighting, 20Hz – 22kHz)
  • Noise level: 0.66µV (maximum output, SNR / DNR 147 dB), 300nV RMS (low gain, A-Weighting, 20Hz – 22kHz)
  • Output power: 6480 mW at 32 ohms, 2000 mW at 120 ohms, 380 mW at 600 ohms
  • Power supply: 100 – 240V AC, 50 / 60 Hz
  • Dimensions: 9.2 x 6.7 x 1.8 in (23.4 x 17 x 4.6 cm)
  • Weight: 4 lbs (1.8 kg)
Included
  • US power plug
Shipping

All orders will be shipped by Drop.

Estimated ship date is Feb 4, 2021 PT.

Payment will be collected at checkout. After this product run ends, orders will be submitted to the vendor up front, making all orders final. Check the discussion for updates on your order.

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