POLK AUDIO R 300(ส่งฟรี ยกเว้นเขตพิเศษ)

TECHNICAL SPECIFICATIONSR300M20Driver ComplementsMid/Woofer1
- 6
-1/2" Diameter (
16.51cm) Dynamic Balance mineral filled polymer composite cone driver, shielded1
- 6
-1/2" Diameter (
16.51cm) Dynamic Balance Polymer composite cone, shieldedTweeter1
- 3/4" Diameter (
1.91cm) Dynamic Balance silk/polymer composite dome, shielded1
- 3/4" Diameter (
1.91cm) Dynamic Balance silk/polymer composite dome, shieldedElectricalOverall Frequency Response45Hz
- 24kHz45Hz
- 24kHzLower
-3dB Limit55Hz dB55Hz dBUpper
-3dB Limit20kHZ dB20kHz dBNominal Impedance8 ohms8 ohmsRecommended Amplifier Power20
-150 w/channel20
- 150 w/channelEfficiency89 dB89 dBInputs5
-way binding posts5
-way binding postsDimensionsCabinet Size33" H x 7
-3/4" W x 8
-3/8" D (
83.82cm H x
19.68cm W x
21.27cm D)33
-3/4" H x 7
-3/4" W x 9" D