SF 3C LP

概述

Extron SoundField® XD 型号中的 SF 3C LP 是一款 3" 全音域天花板扬声器，具有 102 mm (4") 厚的复合腔体，适用于阻燃天花板环境。这款薄型扬声器特别适合在天花板顶部空间紧张，如空调管道与天花板距离太近的情况下进行天花板安装。SF 3C LP 提供了与功率放大器的 8 Ω 直连，同时能够方便地以 4 Ω 功率并连放大器。

主要特性

特性

• 76 mm (3") 全音域驱动器，带单调谐孔
• 102 mm (4") 厚的薄型复合腔体，适用于阻燃环境
• 频率范围：65 Hz ~ 20 kHz
  165° 锥形覆盖
• 16 W 连续粉噪功率
  32 W 连续节目功率
• 8 Ω 直连
• 锁定臂可支持达 57.1 mm (2.25") 厚的天花板
• 符合 UL 1480 安全标准

技术参数

也请参阅我们的  PDF 格式的技术参数

SF 3C LP
Audio/acoustic and electrical
Speaker type	Low profile ceiling speaker with composite back can
Frequency range	65 Hz to 20 kHz, -10 dB, half space (per IEC 60268-5)
Frequency response	265 Hz to 19 kHz, +/-3 dB, half space
Power capacity	16 W (rms) continuous pink noise (per IEC 60268-5) 32 W (rms) continuous program
Nominal sensitivity	83 dB SPL, 1 W, 1 m, 8 ohms direct, half space (per IEC 60268-5)
Nominal coverage angle	165° conical coverage (1 kHz to 4 kHz)
Nominal impedance	8 ohms
Driver	(1) 3" (76 mm) paper cone
Input connector	(1) 5 mm captive screw connector, 4 pole for 1 input and 1 loop-through
General
Package	2 speakers (1 pair)
Ambient temperature/humidity	Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing
Mounting	Ceiling mountable with included hardware: V-rails for 2' x 4' (600 mm x 1200 mm) ceiling tiles, and C-rings
Enclosure type	Plenum rated, fire-resistant (UL94V-0) composite back can/baffle; Magnetically attached powder-coated steel grille with plastic bezel.
Enclosure outer dimensions	4.4" H x 8.9" diameter (112 mm x 226 mm diameter) 4.0" H (102 mm H) from front of ceiling tile to top of enclosure
Cutout dimensions	7.6" diameter (191 mm diameter)
Product weight	2.9 lbs (1.3 kg) each
Regulatory compliance
Safety	CE, UL 2043, UL1480, NFPA 90A, NFPA 70 UL Listed for use in plenum airspaces:  UL 2043 listed for heat and smoke release, UL 1480 listed for commercial and professional audio systems
Environmental	RoHS, WEEE
Product warranty	5 years parts and labor
NOTE     All nominal levels are at ±10%.
NOTE     Specifications are subject to change without notice.
(8.1-063016-D1)