Specifications - Altec Lansing 641 User Manual

microph one r e ce i v e r can be conne cte d t o t h e unused input on
t h e 641. W h e n th e l e ct ur e r w i s h e s to m ak e a com m e nt, h e e it h e r turns
on th e m icroph one s w i t ch to s p e a k o r h e can raise o r l owe r t h e
microph one v ol um e control t o m i x h i s v oice w i t h t h e com pute r
audio pr ogr am. Any ot h e r audio de v ice can ope rate in t h e s am e
manne r .
Note:
Microph one l ocation in re l ation to th e s p e a k e r s i s i m p o r t ant .
Pos i tion th e m icroph one s o th at th e s pe ak e rs a re l ocat e d be t w e e n th e
microph one and t h e audie nce , or s o th at th e m icroph one i s b e h i n d t h e
s p e a k e rs . I f t h e m icroph one i s p l ace d in f r ont of th e s p e ak e r s ,
f e e dback w i l l r e s ul t .
OTHER USES FOR THE
AUX (AUXILIARY) INPUT
You m ay e l e ct to h ook up your St e r e o s ys t e m or Ste r e o TV to th e
auxil iary input s o t h at your s p e a k e r s m ay be us e d for th e s e de vice s
w h e n your prim a ry audio de v ice is not in use. You can al so conne ct your
modem audio-out t o t h e s e cond input .

SPECIFICATIONS

Total Sys t e m Powe r
F r e q uency Re s p o n s e
Signal to Nois e R a tio @ 1 k H z input
Cros s ove r F r e q uency
Syst e m TH D (distortion)
I nput I m p e d a n c e
Satellite Amplified Speakers
Dr iv e rs (pe r Sat e l l it e )
Subwoofer
Dr iv e rs
Power Requirements
USA/ Canada/ and appl icabl e
L atin Am e rican countrie s
Europe / Unit e d Kingdom ;
appl icabl e Asian count r i e s ;
Arge ntina, Ch il e and Uruguay
ETL / cETL / CE / NOM / IRAM Approve d
400 wat t s
27 H z - 2 0 k H z
> 70 dB
100 H z
< 0.3 % TH D @ -10
dB ful l s cal e input
v ol tage
10k oh m s
1" tw e e t e r (24 m m )
3" m id-range
(75 m m )
Two 6.5" (165 m m )
L ong Th row woof e r s
120v 60 H z AC
230v 50 H z AC