Welcome to A1 Sound Use our local-rate number: 0845 241 5901
274 Ringinglow Road, Sheffield, S11 7PX
T: 0114 321 0440 E: info@a1-sound.co.uk

Like us on Facebook Follow us on Twitter View us on YouTube

View shopping cart

Creek Evolution 50A Integrated Amplifier

Silver Finish
Silver Finish
Rear View
Rear View
Our price: £ 800.00 inc. VAT
Free UK mainland delivery
Shipping UK Mainland Only - No Export

There are no customer reviews for this product.
Submit a review for this product

Options and Ordering

Creek Finish Options:


View shopping cart


In stockThis product is in stock

Key Features

  • New improved model, fully remote Controled
  • 2 x 55W into 8 Ohm load

Product Description

Creek Evolution 50A Integrated Amplifier

This new amplifier forms part of the next generation EVOLUTION 50 range of products. Housed in a slim case with engraved front panel and solid HiFi Choice Awardcontrol knobs, it’s finished in either black or silver brushed aluminium. An ingenious new push button design has been developed for it, offering excellent tactile feel and backlit optical indication of usable functions for optimum user-friendliness. Designed to match the high-end EVOLUTION 50CD DAC/CD/Pre-amp. The 50 series is the first Creek product to feature an OLED (Organic Light Emitting Diode) display. This white on black display provides higher clarity and resolution than a normal display and offers a wide range of customised graphic symbols. Display brightness levels can be changed or turn off when not required via the menu system.

At the heart of any good amplifier lies a good power supply; The EVOLUTION 50A uses a massive 250 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. Creek Audio no longer makes a separate EVOLUTION Tuner, but die-hard analogue tuner fans can continue to listen using the top quality AMBIT plug-in tuner module, which augments the EVOLUTION 50A’s capabilities. The AMBIT and Ruby modules can be mounted to the back panel ‘Smart-Slot’, replacing Line Input 5.   When the AMBIT is fitted, it automatically turns the amp into a Receiver, suitable for use in every region of the world. The OLED shows tuner functions and buttons and knobs have dual functions.

Coming soon, the RUBY plug-in DAC module also replaces Line Input 5. When available, it will add 2 x SPDIF, 2 x TOSLINK, USB, Bluetooth and FM radio inputs to the existing 4 line inputs. The EVOLUTION 50A can also be configured for Vinyl Disc input, in place of Line input 1.  The SEQUEL 2 module plugs into dedicated connectors on the pre-amp PCB and can run simultaneously with the AMBIT or RUBY. It comes in three versions – 40dB – 48dB and 54dB MM and MC. To simplify the many options a stylish new system remote handset has been developed to control all the functions of the EVOLUTION 50 range. The EVOLUTION 50 range also features an optional IR extender to enable the products to be hidden away, but still operable via remote control.


Technical Specification detailed technical information

Power Output    

  • 55 Watts into 8 Ohms
  • 85 Watts into 4 Ohms
  • Continuous Current  8.5 Amps (sine wave)
  • Max Current  26 Amps, current burst into 0.5 Ohms
  • Output Impedance   0.1 Ohms @ 1Khz


  • 0.005% 20Hz – 20Khz


  • 102dB

Frequency Response

  • 10Hz – 100KHz +/- 2dB Line


  • 33.3dB (x46) via power amp input

Input Sensitivity

  • 410mV
  • Crosstalk     -80dB at 1Khz
  • DC Offest     < ±10mV
  • Slew Rate     > 30 V per µS

Pre-amp Inputs

  • 5x RCA unbalanced
  • 1x Balanced XLR

Power-amp Inputs

  • Input 3 & 4 via RCA or XLR
  • Outputs 1 Pair

Headphone output     

  • Dedicated low impedance amp (<50 Ohms)

IR Bus     

  • Powered output for IR repeater

Operating Voltages     

  • 110V/230V Switchable
  • Consumption (at idle)     <20 Watts
  • Consumption (at full power)     350 Watts


  • 7.5Kgs


  • 430x60x280mm W/H/D

Related Products

There are no related products.

Customer Reviews

There are no customer reviews for this product.

Submit a review for this product


In order to comply with new EU legislation, we have to inform you this website uses cookies: read more.

About A1 Sound | Privacy | Cookies Policy | How to Order | Delivery/Availability | Terms and Conditions | FAQs | Showroom Location | Bookmark this site

Copyright 2003-2019
A1 Sound, 274 Ringinglow Road, Sheffield, S11 7PX
0114 321 0440
Vat 873 4102 35

Website maintenance by
Pocketsite Design, 2003-2019