Helix and Mark Doehman

Next Wednesday we will experience rhe new turntables designed by Mark. His last talk at the Melbourne Audio Club was one of the best presentations I can remember. Informative and very interesting.

Wed 19th of April, 8pm in the Willis Room, Nunawading.

MARK DOHMANN with his HELIX 1&2 TURNTABLES
Back in October 2013, the club was very privileged to have one of the most influential audio engineers of the analogue world present at the Melbourne Audio Club. He is Mark Dohmann, the man who designed the Continuum Audio Labs Caliburn turntable and Cobra tonearm. The Caliburn set a new benchmark when it came to sound quality; even Stereophile Magazine had to give it a new rating, A+, as well as “Product of the Year” for 2006.
Mark has moved on from his involvement with Continuum Labs, and has formed Audio Union, a collaboration with Thrax Audio Ltd to bring his latest statement turntable to the “High Fidelity” market. The Dohmann Helix 1, is the result of complex and advanced engineering technologies, that takes it to the next level in turntable design. The Helix 1 features a radical approach to advanced motion control to the motor and platter. Another innovation is in the complete integration of a customised negative stiffness isolation system, which results in an ultra-low natural resonance, 1.5Hz in the horizontal plane and 0.5Hz in the vertical.
The Helix 2 turntable is so new, it doesn’t appear on his web site. As far as I am aware, this will be its first public showing. Quite an honour for the club. Another first will be the new addition to the Thrax portfolio of equipment. The LYRA loudspeaker will make their debut at the club partnered with a pair of HEROS 100W class A mono blocks and the matching DIONYSOS pre-amp. The Lyra is a two-way, three driver monitor sporting a vented enclosure that is made of aluminium plates, screwed together. The D’Appolito array on the front panel, incorporate two 6.5” woofers with magnesium membranes and copper phase plugs. The tweeter is a ring diaphragm compression driver crossed over at 1.5 kHz. Its shape was developed by Spherovox with specific directivity and frequency response.
“Helix 1 rewards the listener with the closest facsimile to the master tape. Its design is a significant enhancement on state of the art and its motion control defines what will become part of a new breed of “Super Turntables”.
Nick Karayanis – Program Co-ordinator

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