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The Creek Sequel 54 mk2 MM Phono Pre-Amp is suited for medium output moving coil cartridges, with an output between 0.5 to 1 mV and a matching impedance of < 120 ohm. The Sequel 54 mk2 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 MM cartridge's < 120 ohm 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 10 Hz. 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 low noise voltage regulators, whose function is to stabilize the voltage and filter noise from the main power supply. The Sequel mk2 has optimal overload margin for a given gain.
Suitable for medium output cartridges in the range of 0.5-1 mV output
In the Box
Creek Sequel 54 mk2 MM Phono Pre-Amp
Limited 1-Year Warranty
Table of Contents
Destiny 2 integrated amp
Evolution 2 integrated amp
Evolution 5350 integrated amp
Classic 5350SE Integrated amp
5350SE, 5350R and 5350 Integrated amps
5250,5250R and 5250SE integrated amps
4330 and 4330SE Integrated amps, but not mk2 versions
4240 and 4240SE Integrated amps
Note: The Sequel Phono pre-amp cannot be fitted to the original Destiny 1 integrated amp, because the connections on the pre-amp 1 are unique and it had the special Destiny Phono pre-amp made for it only.