Gradient Helsinki 1.5 loudspeaker Specifications

Sidebar 1: Specifications

Description: Three-way floorstanding loudspeaker. Drive-units: 0.75" aluminum-dome tweeter, 5" paper-cone midrange, 12" paper-cone woofer. Sensitivity: 85dB/W/m. Impedance: 6 ohms nominal, >4 ohms minimum. Recommended amplification: 25–250W.
Dimensions: 36" (920mm) H by 14" (360mm) W by 19.75" (505mm) D (sort of). Weight: 50.6 lbs (23kg).
Finishes: Birch, Walnut (oiled), Oak (oiled), Black, White; metallic paint on driver enclosures, add $750/pair.
Serial Numbers Of Units Reviewed: 00376, 00377.
Price: $6500/pair. Approximate number of dealers: 5.
Manufacturer: Gradient Ltd., Levysepänkatu 28, 04440 Järvenpää, Finland. Tel: (358) 50-384-48-69. Web: US distributor: SimpliFi Audio, California Suites Apt. 1001, 5415 Clairmount Mesa Blvd., San Diego, CA 92117. Tel: (724) 712-0899. Web:

Gradient Ltd.
US distributor: SimpliFi Audio
California Suites Apt. 1001
5415 Clairmount Mesa Blvd., San Diego, CA 92117
(724) 712-0899

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