Acoustical Systems Fideles MM Cartridge
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 Acoustical Systems Fideles MM CartridgeAcoustical Systems Fideles MM Cartridge 

Acoustical Systems Fideles MM Cartridge

  (1 Review)
£745.83 Exc. VAT |  |

Acoustical Systems Fideles MM Cartridge

Introducing the fideles  – an all-new high-end phono cartridge. „Fideles“ derivates from Latin / German and stands for „faithful, – as well as agile and lively“.

Unusual in this price class, the fideles features a solid advanced Titanium Timet 1100 body of unparalleled energy transfer ability and unique combination of strength and light weight.
The generator system is a double-magnet – focused field – moving ferrum pipe – principle which gives a healthy high output of 5.5 mV. Very easy handle for any phono stage and no need for a high-gain / moving coil phono input. Any phono input with 35 to 50 dB gain and 47k to 100k impedance is fine.
The fideles’ Titanium body further features 3 rows of threads to allow perfect overhang in any headshell / tonearm.
The fideles produces a very dynamic, live-like, colorful, open, transparent and natural sound and performs solidly several steps above it’s price range. It features very high trackability – above 90 µm! –  and is very easy to align. It’s relatively low body mass allows perfect synergy with a very wide selection of low to medium-high mass tonearms.


  • frequency response 18 Hz – 25 kHz +/- 2 dB
  • channel balance within 0.8dB @ 1kHz
  • channel separation better than 25dB @ 1kHz
  • output voltage 5.5 mV, 1kHz @ 5 cm/sec
  • static compliance 35 mm/N
  • dynamic compliance @ 9-10 Hz 17 mm/N
  • vertical tracking angle 22°
  • stylus true elliptical 7µ x 2.5µ
  • factory-replaceable
  • recommended load resistance 47 -100 kΩ
  • recommended load capacitance phono cable + 0-max 200pF
  • cartridge body mass 10.5 g
  • recommended tracking force 17 mN to 18 mN

Average Rating (1 Review):  
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Just Music
23 April 2021  | 

I assembled the fideles with ease on my Avid diva ii with a Roksan Tabriz Zi a few weeks ago. As phono pre I use a Graham slee era gold. My former Goldring 2500 and GR1042 reference were blown away in seconds. So many details, very very natural sound, perfect stage and above all MUSIC. For me the best MM or MI I ever heard.

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