Phono preamp.
Supports MM capsules only
Stereo/mono switch
Separate power supply
Pure triode 3 x ECC83
High quality capacitors and resistors
Blue ALPS potentiometer
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PS1 MKII MM & MM+MC. High-End Tube Phono Preamplifier
The Evolution of a Classic
Since its launch in 2005, the PS1 has become one of our best-selling products, earning widespread acclaim from Hi-Fi specialists worldwide.
Now, with an enhanced power supply, new finishes, and the option to integrate our MC step-up transformers, this updated version preserves the essence of its predecessor while delivering an even more refined sound quality.
Why Tubes Outperform Transistors for Vinyl Playback
Greater overload tolerance, preventing distortion on heavily modulated or worn records, thus reducing perceived noise.
Warm and natural sound, ideal for analog LP reproduction.
Superior handling of the RIAA curve, which spans a 40 dB difference between 20 Hz and 20 kHz—a challenge that tubes manage more smoothly than transistors.
Passive feedback-free design, avoiding unwanted distortions.
High-fidelity components and hand-wired construction, eliminating circuit boards that might degrade signal purity.
Our priority is to ensure every microvolt of cartridge signal reaches the tubes unimpeded, avoiding unnecessary switches or coupling capacitors that could alter sound quality.
The Story Behind the PS1 – By David Shaw (Founder of Icon Audio)
"I designed the PS1 to extract the maximum musical detail without amplifying the imperfections of worn records. Tubes handle overload and distortion better than transistors, as they recover more quickly and produce less distortion. This allows them to manage the transient peaks of imperfect LPs more effectively, delivering a more pleasant and natural sound."
Recognizing the quality of Moving Coil (MC) cartridges, we manufacture our own 10x step-up transformers, ensuring optimal gain without compromising fidelity. Additionally, the PS1’s output is higher than average, enabling direct connection to a power amplifier without the need for an additional preamp, thanks to its integrated volume control.
With thousands of units sold, we maintain an exceptional track record—as of June 2019, no PS1 unit has ever been returned due to dissatisfaction.
The PS1 has become a reference standard in the prestigious Hi-Fi World magazine.
MM vs. MC Cartridges – Which One to Choose?
Moving Magnet (MM): More affordable, high-output, and suitable for most systems.
Moving Coil (MC): Generally more expensive but offers superior sound quality.
Many Hi-Fi enthusiasts prefer MC cartridges, as the original LP master is cut using a moving coil stylus. However, MC cartridges require step-up transformers to achieve proper gain.
At Icon Audio, we design and manufacture our own MC transformers, which can be installed at purchase or added later. Their sound is detailed, smooth, and free from artificial harshness.
A front panel switch allows for quick selection between MM and MC inputs, ensuring convenient switching.
Key Features
100% Tube Phono Preamplifier (MM or MM/MC with tube regulation)
Recommended by Hi-Fi World for Beatles LP reissues
Stereo/Mono switch, reducing noise on monophonic LPs
Independent, choke-filtered power supply, minimizing interference and noise
Fully hand-wired point-to-point construction, with no printed circuit boards
ALPS Blue volume potentiometer, renowned for precision and sonic transparency
Optional capacitor upgrade for enhanced fidelity
Technical Specifications
Integrated volume control, allowing direct connection to power amplifiers
Tubes: 3 x ECC83 (pure triode)
MM Gain: 53 dB
MC Gain: 72 dB
Sensitivity: 3 mV for 1.26V output (0.3mV MC)
Impedance Load: 47kΩ (MM), 100Ω (MC)
Output Impedance: 50Ω
Signal-to-Noise Ratio: -75 dB (MM)
Frequency Response: RIAA 20 Hz - 20 kHz (+0/-1dB)
No Global Feedback Design, ensuring a more natural response
High-fidelity capacitors and premium resistors
Silver-plated PTFE audio cable, optimizing signal transmission
Gold-plated input and output terminals, ensuring flawless connectivity
Power Supply: 220/240V (also available in 117V)
Power Consumption: 50W
Certifications: CE, ROHS, WEEE compliant
Dimensions & Weight
Preamplifier Unit:
170 mm (W) x 270 mm (D) x 110 mm (H)
Weight: 2.7 kg
Power Supply Unit:
120 mm (W) x 250 mm (D) x 170 mm (H)
Weight: 3.9 kg
With Packaging:
280 mm (H) x 400 mm (W) x 350 mm (D)
Total Weight: 9 kg
A True High-End Tube Phono Preamplifier
Designed for audiophiles seeking pure, natural vinyl reproduction
High-definition audio performance with exceptional musicality
Handcrafted with premium components for maximum durability
Seamless integration with any high-fidelity system
Each PS1 MKII is custom-built to order, allowing personalized configurations and upgrades to ensure the best possible performance for your needs.
If you're looking for a high-end tube phono preamp that takes your vinyl listening experience to the next level, the PS1 MKII is the ultimate choice.