ตู้ลำโพงตั้งพื้น POLK AUDIO RTiA7 ขนาด 2×7 นิ้ว 3 ทาง POLK AUDIO RTiA7 High Performance Floorstanding Loudspeaker จากแบรนด์ POLK AUDIO
RTiA7
High Performance Floorstanding Loudspeaker
Elevated Audio
The RTiA7 truly stands out. With two 7” bass drivers, a 6.5” midrange driver and a 1” dome tweeter, this impressive floorstanding loudspeaker mixes stunning performance and classic beauty to rise above the competition.
คุณสมบัติ
- Classic Polk Audio sound quality in a floorstanding speaker
- Custom butyl rubber surrounds and anti-diffraction grilles produce a lifetime of reliable sound
- Polished hardwood veneer cabinet finishes with black or cherry trims
สเปค
FLOOR STANDING SPEAKER
| Qty Included | Pair | |
| Height | 42.25″ (107.32 cm) | |
| Width | 8.875″ (22.54 cm) | |
| Depth | 17.875″ (45.4 cm) | |
| Weight | 55 lbs (24.95 kg) | |
| Mid-High Array Driver Enclosure Type | ARC Port | |
| Mid-High Array Driver Complement | 6.5″ (16.51 cm) d (Round) Dynamic Balance driver with polymer composite cone and rubber surround – Midrange | |
| Subwoofer Array Driver Enclosure Type | PowerPort Plus Bass Venting | |
| Subwoofer Array Driver Complement | 7″ (17.78 cm) d (Round) Dynamic Balance drivers with polymer composite cones and rubber surrounds – Subwoofer | |
| Front Array Driver Complement |
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AUDIO QUALITY
| Total Frequency Response | 20 Hz → 27,000 Hz |
| Nominal Impedance | 8 ohms |
| Sensitivity (1 watt @ 1 meter) | 89 dB |
| Lower and Upper -3dB Limits | 35 Hz → 26,000 Hz |
CROSSOVER
| Type | 3-way |
| Midrange/Woofer Crossover Frequency | 125 Hz |
| Tweeter/Midrange Crossover Frequency | 2700 Hz |
EXTERNAL AMPLIFIER
| Recommended Amplifier Power Per Channel | 20 watts → 300 watts |
INPUTS
| Audio Inputs | |
| Speaker Inputs | Pair of Dual 5-way Binding Posts – Gold-Plated |
