Graham Slee - PSU1-24

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2.00 LBS
Calculated at Checkout

Product Overview

# Compatible with all Graham Slee phono stages
# Compatible with Solo headphone amplifiers
# 230V and 115V (nom.) models
# 115V works down to 90V (Japan)*
# Choice of Power Cords
# Available with standard 2.5, 2.1 and BNC style DC connectors
# Approved and fully certified by IEC and CSA (UL) to 60950
# Replaceable Fuse
# Regulated Output 24VDC
# Price £169 inc VAT

The PSU1-24 is our top end power supply, made by Graham Slee in the UK. It carries safety approvals from the IEC (International Electro-technical Committee) and CSA (Canadian Standards Association) the Canadian equivalent to UL (Underwriters Laboratories), and is certified as meeting IEC, CSA, and UL 60950. The IEC certificate proves compliance with the European Union CE regulations Low Voltage Directive. Flash tested to 3,000V DC.

Its construction technique removes the line-ringing you get from rectifier charge currents in most power supplies. Line-ringing breaks through into audio circuits to modulate the sound. Its removal gives you an immediate sonic improvement as witnessed by countless reviewers, not forgetting customers.


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  • 5
    Graham Slee PSU1

    Posted by Jeremy Hammond on 11th May 2020

    The upgraded power supply made a positivie difference to the sound quality and was well worth the investment.

  • 5
    graham slee psu1

    Posted by Unknown on 22nd Dec 2017

    low price,quick delivery,and after allowing 24 hours to settle down everything has improved. If I have to sum it up it would be one word, listenability.