Shahinian Acoustics | Diapason 2
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From a whisper to a scream, the biggest Shahinian presents music in the correct scale. Instruments have the correct tonal as well as timbral quality. Effortlessly unforced presentation. Five way system. 18 drivers. Dual bass cabinet. Seperate mid/treble and bass cabinets. Can be driven with multiple amps. No parallel internal surfaces to eliminate standing waves.
Physical Description and Specifications
The upper module is an asymmetric prism with unequal rakes, fore and aft; and equal rakes, left and right. The entire outer skin of this prism contains 14 seperate loudspeaker, from 5 1/4" miniwoofers all the way to 3/8" supertweeter domes. The electrical distribution is a four-stage brnach of first and third order filters, resulting in a phase correct seamless transition from about 125Hz to 22,000Hz.
Four 5 1/4" midrange drivers, two 1 1/2" Titanium dome high midrange drivers, two 3" low tweeters and six 1/2" W-shaped Titanium dome super tweeters. Designed to fit atop the Double Eagle subwoofer. Cabinet constructed of 13-ply Finland Birch, and electrical distribution is four stage branch circuit of first and third order filters for minimum phase function.
Diapason Bass Module
We adapted the Shahinian Acoustics Obelisk unique hybrid transmission line bass chamber to a twin back-to-back configuration. The east / west driver position and rear-mounted passive radiators have many advantages and offer a modular flexibility. A single unit can be used with simple passive low-pass filters for a 3-unit satellite-type system, or as an add-on to existing full-range systems to augment the bass and reduce distortion.
Two units can be bridged to mono, yielding left and right channel dula woofers for even more power handling and lower distortion with a lower 3 dB cutoff. eg with the Diapason Module as in the 'Diapason Ensemble'.
Twin, back-to-back, hybrid transmisson line/passive radiator bass chamber with two 8" cone drivers, 3/4" Finland Birch cabinet construction; built in 140Hz / 280Hz 18dB passive filters which may be bypassed for bi-amp operation 5-way binding posts. Sits on 4 twin wheel casters