Introducing the SMSL PH-1 Phono Preamp — Now Available on Apos

May 30, 2025 at 5:12 PM Thread Starter Post #1 of 1
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Hi all,

SMSL just released the SMSL PH-1 MM Phono Amp, a phono stage designed specifically for moving magnet (MM) cartridges. By removing MC support, they were able to simplify the circuit, lower costs, and dial in better performance for MM cartridges, which is what the majority of listeners use anyway.

Product highlights 
  • High-fidelity MM-only phono stage with 46dB gain
  • Ultra-low THD+N: 0.008% (-81dB)
  • Integrated headphone amp with 6.35mm jack and volume control
  • High-precision CNC-machined chassis for EMI resistance
  • Built-in advanced power processing circuit with USB power input
  • Fixed 150pF input capacitance for easy compatibility
  • Gold-plated RCA jacks for corrosion resistance and low signal loss
  • Compact 3.7 x 3.7 x 1.2 in (94 x 96 x 30 mm) form factor
  • Front-panel ON/OFF switch and volume knob

Specs
  • Headphone output power: 90mW x2 (32Ω)
  • Frequency response: 20Hz–20kHz
  • THD+N: 0.008% (-81dB, unweighted)
  • Channel separation: -77dB @ 1kHz
  • Gain: 46dB
  • SNR: 84dB
  • Power consumption: 1W
  • Power input: DC 5V 500mA
  • Dimensions: 3.7 x 1.2 x 3.7 in (94 x 30 x 96mm)
  • Weight: 0.45lbs (0.205kg)
SMSL PH-1 Phono Preamp.jpg
 
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