SMSL PH-1 Moving Magnet (MM) Phono Preamplifier with Built-In Headphone Amplifier and RIAA Equalization

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$559.74
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$559.74
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Product Highlights

Dedicated moving-magnet (MM) phono stage with 46 dB of fixed gain

Carefully calibrated RIAA equalization for flat, neutral frequency response

Built-in 6.35mm headphone amplifier with 90mW x 2 output power

Ultra-low distortion with THD+N of just 0.008% and 84 dB SNR

Dual isolated DC input design dramatically reduces hum and noise

Compact CNC-machined aluminum body with robust EMI resistance

Plug-and-play simplicity with fixed gain and capacitance settings

Measures just 96 x 94 x 30 mm and weighs only 0.205 kg

Analog Warmth, Accurately Amplified

The SMSL PH-1 is a dedicated moving-magnet (MM) phono preamplifier and headphone amplifier that bridges the gap between your turntable and your listening experience with precision, simplicity, and exceptional value. With 46 dB of clean gain optimized for modern MM cartridges, a built-in headphone output for private listening sessions, and a compact aluminum chassis that fits discreetly into any vinyl setup, the PH-1 brings your record collection to life with low noise, accurate RIAA equalization, and the kind of musical engagement that makes you want to flip the record and keep listening.

46 dB of Clean, Low-Noise MM Gain

The PH-1 provides 46 dB of gain specifically tailored for moving-magnet cartridges, the most common type found on entry-level to mid-range turntables. The low-noise preamplifier stage preserves the delicate high-frequency detail and dynamic nuance embedded in the record groove, while keeping hum and hiss well below the audible threshold.

Accurate RIAA Equalization

Every vinyl record is cut with the RIAA equalization curve, and every phono preamp must reverse it with precision. The PH-1 employs a carefully calibrated RIAA equalization circuit that ensures frequency response remains flat and tonally neutral. Bass is full and controlled, midrange is present and articulate, and treble is extended without edginess.

Built-In Headphone Amplifier

Unlike most standalone phono preamps that only offer line-level output, the PH-1 includes a dedicated 6.35mm headphone jack with its own amplification stage. Enjoy your vinyl collection privately through headphones — perfect for late-night listening or apartment-friendly volumes — without needing a separate headphone amplifier.

Line Output for System Integration

Standard RCA line-level outputs allow the PH-1 to connect to powered speakers, integrated amplifiers, or any line-level input. Whether building a minimalist turntable system or integrating vinyl playback into an existing setup, the PH-1 provides the clean, standardized output your system expects.

Compact Aluminum Chassis with EMI Shielding

Housed in a precision-machined aluminum enclosure, the PH-1 is small enough to tuck behind or beside a turntable while providing excellent shielding against the electrical noise that can plague sensitive phono-level signals.

Specifications

  • Cartridge Type: Moving Magnet (MM)
  • Gain: 46 dB (Fixed)
  • THD+N: 0.008% (-81 dB)
  • SNR: 84 dB
  • Channel Separation: -77 dB (1 kHz)
  • Headphone Output Power: 90mW x 2 (32 Ohm)
  • Frequency Response: 20 Hz - 20 kHz
  • Input: RCA (Phono-Level)
  • Outputs: RCA (Line-Level) / 6.35mm Headphone Jack
  • Equalization: RIAA
  • Power Input: DC 5V, 500mA
  • Dimensions: 96 x 94 x 30 mm (W x D x H)
  • Weight: 0.205 kg (0.45 lbs)

What's Included

  • SMSL PH-1 MM Phono Preamplifier
  • Power Adapter
  • User Manual

SMSL PH-1 MM Phono Preamp with Headphone Output Overview

SMSL PH-1 46dB MM Gain and RIAA Equalization Details

SMSL PH-1 Low-Noise Circuit Design

SMSL PH-1 Built-In Headphone Amplifier Stage

SMSL PH-1 RCA Line Output Connectivity

SMSL PH-1 Compact Design Details

SMSL PH-1 System Setup Guide

SMSL PH-1 Performance and THD+N Measurements

SMSL PH-1 Specifications Chart Part 1

SMSL PH-1 Specifications Chart Part 2

SMSL PH-1 Specifications Chart Part 3

SMSL PH-1 Package Contents and Included Items

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