Sonarlex
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Product RangeTurntables
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Interspace Junior
Interspace Junior represents Nottingham Analogue Studio’s ‘entry level’ turntable.
It is provided complete with the Interspace arm. For additional cost the arm can be replaced with the Ace Space arm. This application tends to lend itself to someone wanting near Spacedeck perofrmance.
The Interspace Junior borrows a number of designs successes from its bigger brother the Spacedeck, using the same bearing principle for example. However the platter is mounted on a ‘basic’ and perhaps more conventional mounting base or plinth; that also accommodates the AC synchronous motor used to turn the platter.
Interspace Junior comes equipped with the tremendous, new Ace Interspace tone arm. This arm is a long grain carbon fiber, unipivot tone arm, mounted and housed in carefully machined aluminum. Unlike other Nottingham tables, the Interspace Jr. allows for the use of only one tone arm, but will accommodate common moving magnet and moving coil cartridges.
The Interspace Junior lends itself to someone who uses a turntable occasionally but, nonetheless wants passion and rhythm from their music to stand out.
Product overview:
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Spacedeck Spacdeck represents Nottingham Analogue Studio's classic hallmark sound and performance, things only get better from here...
Until the release of the Ace Space and the Space 294, the Spacedeck represented Nottingham Analogue Studio’s hallmark sound and performance, only improved upon by the Hyperspace, Dais, Anna Log or Deco.
Nottingham Analogue see their turntables no differently than a musician would see their instruments – something to be treasured and revered.
In Tom Fletcher words “A turntable plays resonances in the audio frequency above and beyond, it is better to do this in a controlled way, not to be influenced by a sound box come cabinet. Most sound boxes in music are shaped in proportion and size to produce a limited frequency .i.e. a Violin can producing higher frequency notes than a Cello, the Cello higher than a Double Bass – now our task or the task of all turntable manufacturer is to take account of all the frequencies and their accurate and true reproduction….but, most importantly not forgetting our number one job of reproducing the musicians' music, emotions and feelings...”
The design concepts introduced with the Spacedeck included a number of novel and perhaps unique design aspects. The visual design element of the Spacedeck, of overlapping circles, ensures that there are no corners for resonances to build up, or get trapped in.
Inclusion of an Admiralty bronze bearing design with soft inner and hardened outer spindle, a soft alloy platter damped at the outer edges to stop unwanted expansion and resonances, i.e. ringing.
Spacedeck’s motor is intentionally divorced from the main platter; Nottingham Analogue Studio were one of the first manufactures to see that this approach made a lot sense – greatly reducing the vibrational noise and thus noise floor performance of the turntable itself. The motor has the power to keep very stable rotation without adding undue resonance to the platter, arm, cartridge and recording…
Nottingham Analogue has shipped more than 10,000 Spacedecks to date…
In 2002, the Spacedeck was further refined with the incorporation of a new heavier platter design and lower centre of gravity. Two new anti-expansion bands were also added to the platter to further control platter resonance.
A HD “Heavy Kit,” which adds a 7/8th inch thick graphite pad to the platter is also available. The extra mass and resonance control properties of the graphite fibre, helps further control vibrations throughout the platter, while the added rotational mass enhances stability.
Another natural upgrade to the Space Deck is the “Wave Mechanic” Power supply. The Wave Mechanic deconstructs the typically noisy and distorted AC mains into DC and then re-generates a perfect sine wave for the turntables motor to operate from.
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Ace Spacedeck Based on the success and design principles of the Spacedeck, the Ace Spacdeck represents a number of significant mechanical and sonic advancements.
The Aces Spacedeck incorporates an improved bearing design that incorporates more lead-bronze alloy and also places the thrust pump at the bottom of the bearing; identical principles as used with the Hyperspace and models thereafter. The result of this design change ensures a quieter bearing enabling the noise floor to be lowered for the turntable.
The arm base of the standard Spacedeck was aluminium and has been replaced with a new steel alloy design comprising of 10% lead. This approach creates heavier mass and much more of a damping platform for the tonearm assembly.
The AC synchronous motor housing used with
the Ace Spacedeck is made of the same steel alloy as used in the arm base; this
approach has seen an improvement in dampening the motor housing resonances.
Compared to the Spacedeck’s aluminium based motor housing, the new motor
housing has more than twice the mass!
The Ace Spacedeck also has provision for a second tone arm and will also accommodate the HD (“Heavy’) kit.
For many people, the Ace Space represents a long awaited significant improvement in sound reproduction and performance compared with the Spacedeck.
Product overview:
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Space 294
Built on all the design foundations of the Ace Spacedeck’s mechanical and sonic advancements, the Spacedeck 294 employs a much larger 14” (355.6 mm) platter that delivers considerably improved rotational stability; due primarily to the additional mass afforded by the 14” platter design.
Spacedeck 294 is specically designed for 12” (294 mm) tonearms only; such as the Ace Space or Ace Anna 12” arms. Use of a second tonearm is not supported.
The decision to employ a 12” arm was to take advantage of the superior tracking capabilities afforded by Nottingham Analogue Studio’s 12” tonearm designs.
The sonic improvements afforded by the Space 294 earned The Absolute Sound 2007 Editor's Choice Award!
Product overview:
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Hyperspace
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Dais
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Anna Log
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Deco
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Tonearms
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Ace Space Tonearm 9" or 12" |
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Ace Anna Tonearm 10" or 12" |
Wave Mechanic
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The Wave Mechanic is a specialist turntable power supply designed to significantly reduce the affects of ‘poor’ quality mains voltages that are used to operate the AC Synchronous motor for the turntable.
The Wave Mechanic power supply was developed by Dr. Martin Bastin (UK).
Purpose The “Wave Mechanic” power supply regenerates the incoming ‘Mains’ 230V 50Hz to provide a clean sinusoidal waveform, that is stable in voltage and frequency even when the mains input voltage fluctuates. The output voltage of the Wave MEchanic is pre-set internally to provide 230V RMS, whilst a single control on the front panel allows minor adjustment of the frequency for pitch corrcetion of the turntable. Other than for this purpose it will probably remain untouched.
For a Turntable speed reference to partner the “Wave Mechanic” power supply, the “Zapper” hand-held battery-operated strobe illuminator is ideal. This is available in 50Hz and 60Hz version, either with the power supply or separately for more general use. The Zapper is used to correct the pitch or synchrous speed of the turntable.
In our opinion the audible benefits of the power supply can be very clear. Detail, dynamics and sound stage are all typically much improved, but perhaps the most evident feature is the way that the whole pace and rhythm of the music sounds natural and realistic.
Perhpas the key feature that the Wave Mechnic brings to Nottingham Analogue Studio turntables is consistent performance; irrespective of what the mains voltage might be doing on the day.
The benefits of the Wave Mechanic should not be expected to replace those from upgrading the turntable, but rather to complement them.
Nottingham Analogue Studio provides the Wave Mechanic with their Dais, Anna Log and Deco turntables.
Theory of
Operation The Wave Mechanic is based on a double transformer isolated AC to AC converter principle. The incoming AC mains voltage is filtered and converted to a convenient DC voltage level used to feed a very stable sinusoidal power oscillator.
The power oscillator consists of a very stable sinusoidal oscillator that produces a very low distortion sine wave that is then fed into a linear power amplifier. The output of this amplifier drives a step-up transformer that provides a very ‘clean’ and stable 230V 50Hz (or 60Hz) AC waveform to drive the turntable’s AC synchronous motor; as used in all Nottingham Analogue Studio turntables.
The frequency of the oscillator can be adjusted very slightly to correct for pitch errors; this is controlled by the front panel mounted potentiometer. |
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