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EVOLUTION TUNER

One of the great strengths of Creek Audio through the years has been the ability to produce exceptional tuners. The Evolution AM/FM Tuner carries on that tradition. Styled to complement the Evolution range of integrated amplifier and CD player, this tuner is the perfect match.  Although the Evolution styling is not quite the same as the Classic and Destiny series, there are important styling features, like the button layout, logo position and control knob details that show its Creek heritage.

With today’s airwaves seemingly becoming even more crowded, coupled with the ever-increasing methods of accessing radio broadcasts, why would you purchase a dedicated tuner? The answer is quite simple – it is the only way to bring radio broadcasts magnificently to life. Separates do sound better and a stand-alone analogue tuner will provide a purer quality of sound.

Firstly, in a hi-fi context, most listening is undeniably FM, although this analogue tuner is not limited only to FM. Tune-in to your favourite station and you are instantly aware of the exceptional quality. Listening to it is addictive, and the idea that radio is purely a source of background music, carries no weight. The Evolution Tuner is functional, versatile, high tech, yet simple.

The design objective for the Evolution AM/FM Tuner was to develop a product that, regardless of price, could be a benchmark for both radio and audio performance.  By using high quality components and sensible electronic design Creek has achieved its goal. The mixture of high technology and design simplicity has reduced the component count to a level previously thought impossible.

Whilst the majority of synthesised tuners today use buttons to tune-in stations and select pre-set station memory, the Evolution AM/FM Tuner uses a rotary tuning knob connected to a digital encoder to provide tuning and pre-set station selection in a way that makes this digital tuner operate and feel like an analogue tuner. To simplify its functionality, Creek’s engineers have reduced the number of local functions to a minimum, while maintaining all the necessary functionality. Front panel controlled functions include Rotary Tuning Mode, Rotary Pre-set Mode, Band Switching - AM/FM, Auto Scan tuning and Memory store. These, plus Mono, Stereo, Display Brightness and direct pre-set station number entry are also available via a system remote control, that also serves the Evolution amplifier and CD player. The Evolution AM/FM Tuner also has the ability to display the name and frequency of the station tuned using RDS (Radio Data System) on its blue vacuum fluorescent display.

To achieve high sensitivity and selectivity, the Evolution AM/FM Tuner uses a four tuned circuit FM radio front-end with J-FET RF amplification and mixer and is shielded from interference by a tin-plated metal can. A high-grade 10.7 Mhz IF circuit and PLL stereo decoder process the signal.

A mixture of conventional and surface mount technology is used together on a double sided plated through-hole printed circuit board to provide a high level of interference suppression and help to achieve hi-fi levels of performance.

Station pre-sets are held in a non-volatile memory, similar to that of a PC computer, with up to a maximum of 80 memory locations available between AM and FM. A large sized blue vacuum fluorescent display makes it easy to read and the intuitive system remote provides easy control of the Tuner, Amp and CD from the one handset. the open and dynamic sound of the Evolution Tuner can be restricted by the quality of the aerial or antenna used. In addition, the distance from the station and the source quality from the chosen radio station will determine the absolute noise performance.
 

SPECIFICATION

FM  
Frequency Range 87.5 - 108.0 MHz
Frequency Response 15 Hz to 12 kHz =/- 1dB
Usable Sensitivity at 30 dB S/N = 30dB 90 MHz FM = 0dBu
Selectivity (IHF) 30 dB
Signal to Noise Ration @90MHz 60dBu and 75 kHz mod = 56dB
Distortion (mono) 40 kHz mod = 1%
Stereo Separation @ 1 kHz 40 dB mod = 39dB
Output Level @ 75 kHz mod = 1.2 V RMS
Number of pre-sets 80 for AM and FM
AM 790 nm ± 25 nm
Frequency Range 520-1720 USA      531-1620 Rest of World
Usable Sensitivity at 20 dB S/N and 30 dB mod = 36dB
S/N Ratio at 30dB mod                        1.2%
Output level 1V RMS
Number of pre-sets 80 for AM and FM
Power Dissipation 230/115V 15 Watts maximum
Dimensions (W x H x D) mm 430 x 75 x 330
Weight 5 Kgs
Remote control EVO Supplied Uses NEC codes