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Brand: Red Hill Audio Model: Quad 33 Disc Module
QUAD 33 DISC MODULEGive your vintage Quad 33 phono stage an instant upgrade by fitting our Quad 33 Disc Module.Assembled using low-noise opamps, chosen for the best sound quality and good noise rejection, these modules improve bass, detail and give a more dynamic sound.Designed for ultimat..
£89.00
Brand: Red Hill Audio Model: Quad 33 Low Noise PSU
Quad 33 Low Noise PSUThe vintage Quad 33 is capable of incredible transparency. It is a fully discrete design, containing no opamps. Whilst this can bring benefits in transparency and detail, it also means it is incredibly sensitive to power supply noise. To combat this issue (and due to a great man..
£125.00
Brand: Red Hill Audio Model: Quad 33 Output Modules
QUAD 33 OUTPUT MODULESGive your vintage Quad 33 an instant upgrade by fitting our Quad 33 Output Modules.Assembled using state of the art, modern surface mount opamps for the best sound quality and exceptional noise rejection, these modules improve bass, detail and give a more natural tona..
£99.00
Brand: Red Hill Audio Model: Quad 33 PSU
Quad 33 PSUThe vintage Quad 33 is capable of incredible transparency. It is a fully discrete design, containing no opamps. Whilst this can bring benefits in transparency and detail, it also means it is incredibly sensitive to power supply noise. To combat this issue (and due to a great many requests..
£85.00
Model: Quad 34 Upgrade - Stage 1
The Quad 34 is one of our favourite Quad preamps to upgrade. There is space to fit superior power supply components and signal paths are kept short.An upgraded Quad 34 has more detail, more naturalness and improved tonality.STAGE 1 UPGRADELarge Elna Cerafine power supply smoothing capacitorElna Cera..
£165.00
Model: Quad 34 Upgrade - Stage 2
The Stage 2 Upgrade replaces the original, undersized power supply with a far superior, higher current and massively lower noise psu. The new power supply arrangement has dedicated positive & negative supplies replacing the original noisy "rail splitter" type. The transformer is replaced wi..
£340.00
Model: Quad 34 Upgrade - Stage 3
Quad 34 Preamp Upgrade - Stage 3 replaces the original, undersized power supply with our offboard, low noise psu. The new power supply arrangement has dedicated positive & negative supplies replacing the original noisy "rail splitter" type.The transformer is replaced with a larger, higher curren..
£499.00
Brand: Red Hill Audio Model: Quad 405 Dual Mono PSU with 4x 10,000uF 63v FT Capacitors
Quad 405 Dual Mono PSU with 4 x 10,000uF 63v FT CapacitorsQuad 405 Dual Mono PSU - An easy to use, ready assembled & tested pcb module ideal for a wide range of DIY Audio projects.Once fitted fitted you will hear a hugely expansive soundstage, with realistic instrument textures, vocals and deepe..
£109.00
Brand: Red Hill Audio Model: Quad 405 Dual Mono PSU with 10,000uF 63v Mundorf MLytic AG
Quad 405 Dual Mono PSU with 4 x 10,000uF 63v Mundorf mlytic ag CapacitorsQuad 405 Dual Mono PSU - An easy to use, ready assembled & tested pcb module ideal for a wide range of DIY Audio projects.Once fitted fitted you will hear a hugely expansive soundstage, with realistic instrument textures, v..
£115.00
Model: Quad 405 Stage 3 PCB Module (Pair)
Quad 405 Stage 3 PCB Module (Pair).Incorporating all of our upgrades into a new design has enabled us to product the finest sounding Quad 405 upgrade available.Due to their complexity, it was becoming increasingly difficult & time-consuming to incorporate the upgrades onto the original pcb's so ..
£285.00
Model: Quad 405 Transformer Replacement
QUAD 405 TRANSFORMER REPLACEMENTReplace a buzzing/humming mains transformer with a high quality toroidal type.Comes with custom aluminium mounting bracket.High Current 300va Toroidal TransformerCustom Mounting BracketIncludes Fitting and Testing..
£150.00
Model: Quad 405 Upgrade - Stage 1
The vintage Quad 405 is still a great sounding amplifier, combining the very best of Quads' legendary design skills and build quality. As with all old hi-fi though, the capacitors inside the Quad 405 will be getting pretty long in the tooth. Electrolytic capacitors really only have a lifespan of aro..
£199.00
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