昨天刚到手，感觉音色不错，灵敏度还可以。因为比较少见，给大家介绍一下。
下面是参数
specifications
dimensions ............ 11.5w x 5.25h x 13d inches
weight ................ 10 lbs. (13 lbs. ship)
frequency range ....... 100 - 30000 khz
87 - 108 mhz
118 - 137 mhz
ac power .............. 120 vac 60 hz adapter
or 6 internal d cells
antenna 1 ............. 50 ohms unbalanced
antenna 2 ............. 50 or 500 ohms unbalanced
antenna fm/air ........ 300 ohms
selectivity ........... @ -6db mode
6.0 khz am
4.0 khz am
2.3 khz lsb/usb
ultimate selectivity .. > 95 db
image rejection ....... > 60 db .5-30 mhz
> 50 db 87-108 mhz
> 60 db 118-137 mhz
i.f. rejection ........ > 80 db 55.845 mhz
> 80 db 455 khz
ip3 intercept point ... > -20dbm 5 khz spacing
> +10dbm 20 khz "
dynamic range ......... > 95 db .5-30 mhz ssb
sensitivity ........... 10 db s+ n/n
ssb < 0.5µv .5-30 mhz
am < 2.0µv .5-30 mhz
fm (20 db s/n) < 4.0µv 87-108 mhz
fm (20 db s/n) < 4.0µv 118-137 mhz
freq. stability ....... ± 10 ppm. 0° to 50° c.
freq. accuracy ........ ± 100 hz. @ 50° c.
ext. speaker output ... 2 watts, 4 ohms. < 5% distortion
line output ........... 300 mv, 4.7k ohms.
operating temp. ....... 0° to 50° c.
