制品 规 格

SPECIFICATION

顾客

CUSTOMER

规格

SIZE

25芯铝壳丝膜高音

型号

MODEL NO.

顾客型号CUSTOMER＇S NO.

本厂型号MAKER＇S NO.

PZ-T30

编号

NO

项目

ITEM

规格

SPEC

测定条件

TEST COND.

1

公称阻抗

NOMINAL IMPEDANCE

4OHM±15 %

AT 1 V 3500 Hz

2

异常音

BUZZES&RATTLES

MUST BE NORMAL

SINE WAVE 7.7V+4.7UF

3

最低共振频率

LOWEST RESONANCE FREQUENCY

1500 Hz±20%

WITHOUT BAFFLE

4

音压水准

SOUND PRESSURE LEVEL

MENA VALUE AT

93±3dB 3000,5000,8000, 10000Hz

AT1W ON AXIS CALCULATED

FROM1.0m MEASUREMENT

5

实效频率范围

EFFECTIVE FREQUENCY BAND

Fo—22K Hz OUTPUT

S.P.L-10dB

AT1W ON AXIS CALCULATED

FROM1.0m MEASUREMENT

6

额定输入功率

RATED POWER INPUT

25W

Music signal 10V 24 HOURS

7

最大输入功率

MAX POWER INPUT

120W

Music signal 14.1V 1Minute on 2Minutes off 10 Cycle

8

失真率DISTORTION

5% MAX

RATED POWER INPUT 1K Hz

9

连续负荷LOAD TEST

AFTER TEST MEET ITEM2

Music signal 25W 24 HOURS

10

耐热试验HEAT TEST

AFTER TEST MEET ITEM2

100±2℃20/25%RH 8 HOURS

11

耐湿试验HUMIDITY TEST

AFTER TEST MEET ITEM2

40±2℃90/95%RH 8 HOURS

12

耐寒试验COLD TEST

温度-40℃

时间放置8 HOURS

13

落下试验DROP TEST

AFTER TEST MEET ITEM2

1 comer/3 edges/6 faces Refer to ISTA la method

14

磁束密度FLUS DENSITY

GAUSS±10%

15

极性POLARITY

WHEN A POSITIVE D.C IS APPLIED TO THE VOICE COIL TERMINAL MARKED(+)THE DIAPHRAGM SHALL MOVE FORWARD

16

磁铁MAGNET

制定

DESIGNED BY

Engineer

Wong

核对

CHECKED BY

承认

APPROVED BY