最近淘了一个akg d541动圈话筒,测得阻抗为770欧,不知用在电台上效果如何(电台匹配动圈阻抗是600欧)? 下面是akg d541的相关参数:
specifications
transducer principle: dynamic
frequency range: 140–17,000 hz
polar pattern: cardioid
sensitivity at 1,000 hz: 2 mv/pa (-54 dbv)
equivalent noise level: < 20 db-a
sound pressure level for 1 % thd:
128 db
s/n ratio (a-weighted): > 74 db
electr. impedance: < 740 ohms
load impedance: > 2,500 ohms
power requirement: none
connector: 3-pin xlr-type for
e version, none for d 541
cable length: 1.9 m (6 ft. 4 in.) for d 541
finish: non reflective black
size: head dia. 35 mm (1.4 in.)
gooseneck dia. 12 mm
(0.5 in.) overall length
d 541 e: 363 mm (14.3 in.)
net/shipping weight: 245 g (8.7 oz.)/415 g (14.7 oz.)
special features/applications:
microphone for paging and
communication applications
included accessories: mounting hardware
optional accessories: nc 3 mk bag xlr connector,
st 5/3 table stand,
ps 3 f-lock pannel mount
xlr socket (for d 541 e)
