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|Height :||60 mm|
|Width :||430 mm|
|Depth :||280 mm|
|Product Weight :||7.5 kg|
|Frequency Response :||10Hz – 100KHz +/- 2dB Line|
|Analog Audio Input / Output :||5 / 1|
|Remote (IR) Input/Output :||1 / 1|
|Total Harmonic Distortion :||Below 0.005%|
|Preout Terminals :||1 (Unbalanced)|
|Output Power :||55W (8 ohms), 85W (4 Ohms)|
|Signal to Noise Ratio :||Above 102dB|
|Headphone Output :||Dedicated low impedance amp (Below 50 Ohms)|
|XLR In / Out :||1 / 0|
|Remote Control Unit :||Yes|
At the heart of any good amplifier lies a good power supply; The EVOLUTION 50A uses a massive 200 Watt toroidal mains transformer with separate windings for high and low current analogue and digital circuitry. This produces a good power to weight ratio and low magnetic interference. Creek’s policy of paralleling several low impedance capacitors together, to create an ultra-high specification capacitor, to smooth the DC also helps to produce a very powerful and accurate sound from such a relatively small amplifier.
Creek's Senior Engineer – David Gamble – who has much experience in the audio industry developed a completely new bi-polar transistor power amplifier circuit especially for the EVOLUTION 50A with very high open-loop gain and low distortion. Featuring a pair of Sanken 15 Amp power transistors, with built-in thermal compensation for rapid bias tracking performance, the Power Amplifier circuit has very low output impedance and can produce high output current. This combination will provide exceptional speed and control with most loudspeakers.
David also developed a completely new analogue Pre-amp circuit, providing high levels of flexibility and control, via unbalanced or balanced inputs. It has multiple input options, switched electronically or via gold contact relays, plus electronic Volume, Balance and Tone controls. For Vinyl fans, a Sequel 2 Phono pre-amp can be plugged-in, substituting Line Input 1 for Phono. In addition, Line input 5 is located on a Smart- Slot removable panel. Should the user want to fit a Tuner or DAC module, Line 5 input can be removed and replaced by either the AMBIT tuner or RUBY module.