OB1i
Floorstanding three-way loudspeaker with a 75mm mid-range dome, a 27mm tweeter and a 170mm bass driver in an advanced transmission line cabinet. Aimed at home listeners with medium to large open-plan rooms who want a revealing speaker that works with moderately powered amplifiers.
- Three-way floorstander with 75mm soft-dome mid-range
- Advanced Transmission Line bass loading, 3.3m effective length
- Frequency response 28Hz-25kHz, sensitivity 87dB
- 24dB/octave crossover at 380Hz and 3.8kHz
- Tri-wire or tri-amp via 3 pairs of 4mm sockets
- 20 year warranty when registered within 10 days
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The OB1i is a floorstanding three-way speaker. A 27mm SONOLEX soft-dome tweeter, a 75mm soft-dome mid-range in its own isolated enclosure and a 170mm doped bass driver on a cast alloy chassis share the load. The bass driver is loaded by an advanced transmission line (ATL) with an effective length of 3.3m, which is how the cabinet reaches down to 28Hz.
A hand-built crossover with 24dB per octave slopes splits the signal at 380Hz and 3.8kHz. The steep slopes are intended to support high power handling and an even in-room response. The cabinet is made from 18mm and 25mm high-density Medite fibreboard to limit panel flex and colouration.
The speaker has 87dB sensitivity and a 6 ohm impedance, and is recommended for amplifiers of 70-300W. Connection is through three pairs of 4mm sockets, so it can be wired in tri-wire or tri-amp configurations. Registering a new unit within 10 days of purchase gives a 20 year warranty, subject to terms.
Vídeo
Especificações
- Marca
- PMC
- Modelo
- OB1i
- Categoria
- Hi-Fi e áudio doméstico › Colunas
Audio
- Frequency response
- 28Hz-25kHz
- Sensitivity
- 87dB 1w 1m
- Impedance
- 6 Ohms
- Recommended amp power
- 70-300W
- Effective ATL length
- 3.3m / 11ft
- Crossover frequency
- 380Hz & 3.8kHz, -24dB/Oct
Drivers
- LF driver
- PMC doped 170mm cast alloy chassis
- MF driver
- 75mm soft dome
- HF driver
- 27mm SONOLEX soft dome, ferro-fluid cooled
- Bass loading
- Advanced Transmission Line (ATL)
Connectivity
- Input connectors
- 3 pairs 4mm sockets (Tri-Wire or Tri-Amp)
Physical
- Height
- 1025mm / 40.4" (plus plinth)
- Width
- 200mm / 7.90" (plus plinth)
- Depth
- 325mm / 12.8" (plus plinth)
- Weight
- 21.5kg / 47.30lbs
- Cabinet material
- 18mm and 25mm Medite
Warranty
- Extended warranty
- 20 years if registered within 10 days of purchase