640A v1 Integrated Amplifier – Stage 2 Upgrade – DIY Kit

£243.20 Price inc. VAT: £291.84

maudifi Stage 2 upgrade kit for for the Cambridge Audio Azur 640A (v1) Integrated Amplifier.

Please enter your amplifier’s serial number in the order notes.

SKU: MUK-CA640Av1-S2 Category: Tags: , , Brand:

Description

In addition to the improvements offered by the Stage 1 upgrade this maudifi upgrade adds more detail and delivers greater spaciousness / openness to the soundstage.  The clarity of voices in particular will surprise you.

  • DIY Upgrade Guide
  • All components required for the upgrade provided.
  • Pre-Amplifier
    • 4 x Bridge Rectifier diodes replaced with ultrafast recovery types
    • 4 x Noise snubbing capacitors added
    • 2 x Reservoir capacitors upgraded (audio grade)
    • 6 x Decoupling capacitors upgraded (audio grade)
    • 4 x Op-amp upgrades – performance audio monolithic
    • 4 x gold-plated turned pin IC sockets for future op-amp upgrade potential.
    • 2 x ClarityCap Polypropylene film capacitors for input coupling
      • replaces low quality electrolytic capacitors
      • 2 x maudifi CapAdapt70 modules added to enable this.
    • A further 4 electrolytic capacitors in the signal path are bypassed.
  • Power Amplifier
    • 4 x Rectifier diodes replaced with Ultrafast recovery types
    • 4 x Noise snubbing capacitors added
    • 2 x snubbing capacitor upgrades
    • 8 x Reservoir capacitor upgrades
    • 6 x Bipolar electrolytic capacitor upgrades (audio grade)
    • 10 x polar electrolytic capacitor upgrades (audio grade)
    • 2 x ClarityCap Polypropylene film capacitors for signal coupling bypass
    • 2 x maudifi CapAdapt70 modules added to enable this
    • 6 x basic electrolytic capacitors in protection circuit upgraded for longevity.

 

Additional information

Weight 0.5 kg

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