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Creek SEQUEL 54 MKII Medium Output MC Cartridge

  code:CREEKSEQUEL54MKII
£160.00 (FREE UK Delivery)
Item out of Stock  |  Usually dispatched within 24 hours
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Specification

  • Gain x500 (54dB)
  • Frequency Response
    10 Hz to 20 kHz +/- 0.5 dB
  • Signal to Noise Ratio – 73 dB
  • Total Harmonic Distortion MC < 0.03%
  • R1AA deviation +/- 0.5%
  • Output level 400 mV from 0.8mV input
  • Input Sensitivity / Impedance/ Capacitance – 0.8mV / 120 Ohm / 1000 pF
  • Overload Margin MM 22 dB
  • Suitable for medium output cartridges in the range of 0.5mV – 1mV output

The Sequel 54 mk2 MC Phono pre-amp is the device specifically suited for medium output Moving Coil cartridges, with an output between 0.5 to 1mV and a matching impedance of <120 Ohms.

The Sequel 54mk2 is not suitable for high output MC cartridges, which require lower gain and a higher input impedance.

The Sequel mk2 has two gain stages using low-noise op-amps. RIAA correction is performed both active and passively. The first gain stage matches the MC cartridge’s <120 Ohms impedance and adds gain, without changing the frequency response.

The first stage of RIAA de-emphasis is performed passively between the two gain stages. The mk2 circuit uses a low impedance filter circuit for improved noise performance.

The second gain stage boosts the level further and uses active filtering in its feedback for the RIAA de-emphasis, For improved RIAA accuracy and improved sonic quality, the Sequel mk2 is made with E96 1 % tolerance metal film resistors and 1% tolerance polypropylene WIMA capacitors.

To eliminate coupling capacitors that can negatively affect the sound, a DC servo circuit is used to block DC from input to output and roll-off low frequencies sensibly below 10Hz. There is no rumble filter in this design.

The Sequel mk2 is powered by a dedicated voltage from the integrated amplifier, via its PCB connection pins.  Locally, it uses a low noise voltage regulators, whose function is to stabilise the voltage and filter noise from the main power supply.  The Sequel mk2 has optimal overload margin for a given gain.

We endeavour to despatch same day (for orders placed up to 2pm) on available stock items to the vast majority of UK mainland addresses. Please remember to check with us first for a physical stock check if next day delivery is important to you.

UK ORDERS:  We despatch the bulk of our UK mainland items on a 24 hour service – Free of Charge.  Free delivery also applies to the Isle of Man, Isle of Wight, the Scilly Isles, the Scottish highlands and Islands, the Channel Islands and Northern Ireland but may take a day or so longer. Smaller items are delivered using Royal Mail recorded delivery or special delivery. Larger items are delivered using a courier service such as Interlink Express, DPD, UPS or DHL. 

INTERNATIONAL ORDERS: We offer competitive rates which can be confirmed by email. Please just ask – we will need a full delivery address and telephone number. Smaller items are delivered using Royal Mail Small Packets Airmail with International Tracked and/or Signed depending on value of item and availability of the service. Larger International shipments are sent by insured and tracked services using DPD, DHL or UPS. If there are any delays due to specific customs regulations, etc, you will be contacted by Turntableworld or by the courier with a request for any further information required. Customs duties do not apply for shipments into any EU country (for a full list please refer to the EU Country List). Customs duties can apply for countries outside of the EU. Customers in these countries are responsible for all taxes and duties incurred when the items enter their country.

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