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Graham Slee


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Graham Slee
Graham of Graham Slee Projects launched his first commercial phono preamp in 2000, which was warmly greeted in a review by the UK Gramophone magazine.

Graham Slee now comprises of four employees and between them they design, manufacture and test all of their headphone amplifiers and phono pre-amplifiers in the north of England.

Graham Slee's hi-fi products deliver much more in musical enjoyment than many other brands, but at a much more reasonable price considering they're built by true professional British engineers. Built by enthusiasts for other enthusiasts.
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Graham Slee Majestic Multi Input DAC Digital Preamp
Graham Slee Majestic Multi Input DAC Digital Preamp
The Majestic makes music sound natural - not digital.
Digitally reproduced music from your stereo streamer or CD player shouldn't sound any different to that of natural sounding analogue, but so often it does.
The Majestic overcomes the "digital sound" so all you'll hear is the music.
The Majestic is more than a DAC - it's a preamp too.

Accepting inputs from hi-fi stereo streamers, CD players and computer hi-fi on its 3 x optical; 3 x coax; and USB input, the Majestic hi-fi pre DAC also has an analogue input. This hi-fi DAC with preamp works just like any preamp, so you don't need another.


Availability Retail (inc. 20% VAT)
£ 1,600.00
Quantity / Units:
Graham Slee Proprius Monoblock Power Amplifier
Graham Slee Proprius Monoblock Power Amplifier
The Proprius monoblock power amplifiers will each deliver a continuous 25 rms Watts into 8 Ω and 45 rms Watts into 4 Ω at less than 1% THD, but will sound a whole lot louder.

They're cute and compact but they're not class-D! They're linear class-AB for a superbly polished sound.

The Proprius is much more than an audio amplifier — it's a most incredible sounding high fidelity amplifier you've simply got to hear!


Availability Retail (inc. 20% VAT)
£ 649.50
£ 1,299.00
Quantity / Units:
Graham Slee Accession - MM Phono Preamp With Volume Control
Graham Slee Accession - MM Phono Preamp With Volume Control
New Stereo Phono Preamp Stage

•Adjustable and fixed level outputs
•Volume / output level control
•RIAA, NAB (American) and FFRR (British) vinyl record EQ's
•Flat / CA (constant amplitude) alternative EQ
•Mono / stereo switch
•Four cartridge capactive loading options: 100pf; 220pf; 320pf and "out"

If you're serious about vinyl the new Accession is the phono preamp you'll definitely want.

The Accession


Availability Retail (inc. 20% VAT)
£ 936.00
£ 936.00
£ 1,200.00
£ 1,200.00
Quantity / Units:
Graham Slee Bitzie USB DAC
Graham Slee Bitzie USB DAC
Big DAC Sound—In Miniature!
(works with iPhone6!! - works with Windows10!!
simply works with just about any USB source!)

The palm size "bus-powered" Bitzie hi-fi USB DAC will easily match the sound of much bigger DACs.
It will drive a power amplifier, active loudspeakers, and as a hi-fi USB headphone amp — headphones! Its source can be an Android device, laptop, desktop etc (and iPhone6!) — which it will instantly recognise without drivers because it's plug and play.


Availability Retail (inc. 20% VAT)
£ 350.00
£ 399.00
£ 405.00
£ 450.00
Quantity / Units:
Graham Slee Solo Ultra-Linear Diamond Edition Headphone Amp
Graham Slee Solo Ultra-Linear Diamond Edition Headphone Amp

It takes all the good points of tubes, but won't wear out like tubes, and drives low impedance headphones too! In fact it will drive headphones of 5 Ohms impedance upwards with ease. The new Graham Slee Solo Ultra-Linear Diamond Edition gives you everything you ever wanted in headphone sound quality!

What's more it's tough and reliable made by the best British engineers not offshore operatives like so much of the competition use.



Availability Retail (inc. 20% VAT)
£ 670.00
Quantity / Units:
Graham Slee Novo Discrete Headphone Amplifier
Graham Slee Novo Discrete Headphone Amplifier
The word "discrete" conjures up the high end and high end prices, but at £200 + VAT it's affordable by most, but the sound of this solid state transistor amp equates to tube headphone amps costing nearly 10 times that!
Whether you believe in global warming or not energy costs are rising at a terrifying rate, but as every audio enthusiast knows - leaving equipment on keeps it "burned in" and ready for action.


Availability Retail (inc. 20% VAT)
£ 280.00
Quantity / Units:
Graham Slee Voyager Portable Headphone Amplifier
Graham Slee Voyager Portable Headphone Amplifier
The Voyager Portable Headphone Amplifier creates its own trend: Rather than cramming-in "Whistles and Bells" features, it simply concentrates on the sound, giving you sufficient options to get the best performance out of your music, on the move, in the office or at home.

The Voyager is purely analogue. It has no digital clocks to veil the sound. By keeping the DAC where it belongs - in the source equipment - it can bring out the magic in the music, whatever format it comes from.


Availability Retail (inc. 20% VAT)
£ 195.00
Quantity / Units:
Graham Slee Solo SRG II Headphone Amplifier
Graham Slee Solo SRG II Headphone Amplifier
Headphone amplifiers as good as the Solo are few and far between. The Solo MKIII headphone amplifier is properly designed and doesn't need to resort to dodges like bass-boost and cross-feed that mediocre headphone amplifier designs use to impress the listener. The bass is powerful as it is, but is also incredibly detailed and natural. The stereo image has all the hallmarks of a high quality speaker set-up and even with the low cost Grado SR60's can project an image well beyond the earpieces.


Availability Retail (inc. 20% VAT)
£ 560.00
£ 405.00
£ 283.00
Quantity / Units:
Graham Slee PSU1
Graham Slee PSU1
PSU1™ Graham Slee's original and unique phono preamp and headphone amplifier outboard power supply

Upgrades Gram Amp 2
Upgrades Gram Amp 2 Special Edition

Supplied with (standard versions of) Era Gold, Solo, Elevator EXP and Jazz Club


Availability Retail (inc. 20% VAT)
£ 185.00
Quantity / Units:
Graham Slee Jazz Club/PSU1
Graham Slee Jazz Club/PSU1
The concept of adjustable phono equalization is not a new one. When digital signal processing was nothing but a distant futuristic dream recording engineers involved in re-issuing the early masterpieces had to set about the task of equalizing the apparent differences in tonal balance between older records and those of the post 1950's RIAA reproduction standard.

The demand then for such a product was limited to say the least and therefore those engineers had to make their own adjustable equalization phono preamplifiers. One such engineer featured in a 1970's edition of Hi-Fi News & Record Review had made his own adjustable EQ phono preamp. It captured the imagination of Graham Slee and after 30 years of analog disc reproduction research he set about to capture the delights and freshness of what many consider to be dull or brittle sounding junk records.


Availability Retail (inc. 20% VAT)
£ 750.00
Quantity / Units:
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