工程用专业会议话筒 PREAK
信息编号:1180079 浏览:139次- 供应商
- 比派音视频数字系统集成 商铺
- 认证
- 报价
- 请来电询价
- 品牌
- PREAK
- 型号
- 859MAL
- 指向性
- 单指向性
- 所在地
- 中国 广东 江门市江海区 江门
- 联系电话
- 86 0750 7726218
- 手机号
- 13652279506
- 联系人
- 李友权 请说明来自顺企网,优惠更多
- 让卖家联系我
产品详细介绍
品牌 | PREAK | 型号 | 859MAL |
指向性 | 单指向性 | 制造组件 | 晶体管 |
单体结构 | 电容式 | 接收方式 | 有线 |
灵敏度 | -45(dB) | 电源 | 9-52(V) |
频响范围 | 80-18000(Hz) | 失真率 | 0.1(%) |
阻抗 | 200(Ω) |
鹅颈话筒均使用了合金音频变压器的电路设计,使声音清晰、干净、悦听,克服了其它电路设计的品质稳定性问题。尤其是实现远距离传送,也只有极少的高频衰减,保证音色依然纯美。
mx
412d专业智能会议话筒
产品介绍
model
variations
mx412d:304.8
mm (12 in.) desktop mini-condenser, gooseneck-mounted
microphone.
specifications
frequency response(figure 1)
50 to 17,000 hz
polar pattern(figure 2)
output impedance(at 1,000 hz)
rated at 150 ω (180 ω actual)
open circuit sensitivity
at 1 khz, ref. 1 v per pascal*
cardioid: –33.5 dbv (21.1 mv)
supercardioid: –32.5 dbv (23.7 mv)
omnidirectional: –28.0 dbv (39.8 mv)
* 1 pascal=94 db spl
maximum spl(1khz at 1% thd, 1 kω load)
cardioid: 123.0 db
supercardioid: 122.0 db
omnidirectional: 117.5 db
e output noise(a-weighted)
cardioid: 29.0 db spl
supercardioid: 28.0 db spl
omnidirectional: 70.5 db spl
signal to noise ratio(referenced at 94 db spl)
cardioid: 65.0 db
supercardioid: 66.0 db
omnidirectional: 70.5 db
dynamic range with 1
kωload
94.0 db
common mode rejection
45.0 db
minimum
mute switch attenuation
50.0 db minimum
preamplifier output clipping level(1% thd)
–6.0 dbv (0.5 v)
polarity
positive sound pressure on diaphram produces positive voltage
on pin 2 relative to pin 3 of xlr output connector.
power re
11 to 52
vdc phantom, 2.0 ma
environmental re
operating temperature range: –18° to 57° c (0° to 135° f)
relative humidity: 0 to 95%
dimensions(figure 3)
weight
mx412d: 0.81 kg (1.80 lbs.) net, 1.63 kg (3.62 lbs.) packaged
cable type(figure 7)
the attached custom cable contains a shielded audio pair and
three unshielded conductors for logic control.
overall diameter=0.6 mm (0.165 in.)
certification
eligible to bear ce marking. conforms to european emc
directive 89/336/eec. meets applicable tests and performance
criteria in european standard en55103 (1996) parts 1 and 2, for
residential (e1) and light industrial (e2) environments
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