m
line o ound. s necessay to upply O oh ermination to &i o\put
at all ime in order to maintain correct meter cai.bration while rcodng
or playing bck, erefore, if he output is not feeding terined ine,
or if the outpu is not connected 4h s .on remote pickups, th 3ne C4
Termintion w3ch, (4. ) mut e swi€ched to O.
B. ForC.onn__e4tion__o _3h_. _Dedan_ce4mli_ie_,. T,n43;.n
on. neGt pjn 3 he in_ e ut Gonneo, (JO4P), to he hi
side of the amD1ifier input. 5tap pins l and 2 o3 the connecor and onec
t te groaund side o- 3 th ampliier inp4t. Th ine Out ermînation wih
(), ut be le in the pojtion designaed O at all time as explained
in above.
5 _U; Refe to igure l or 2 nd 6
e t'ollowing ipues are pr0vded.
&. ic o ho ne _s:
ny lw impedane micoph-' one, the nominal impdance 0f hich
is in the range 0f to 5O ohms an e p1uged in direly, onnec€ the
mirophane to pins 2 an 3 of he nput Conne t, JO1), Connet able
hild to pin l. Rlae the np4t Tansf 3witch, (æ1) o the 3MI poiio3,
e microrophone input tansfome is sapped for ee optimu
tep up for a l5 to 55O ohm source n the cae o mirophan having 5
ohm or le ipedance, d additíonal ,ain can e obained by straping
the inpu a shown in ire 5, i ìs nt u4al1y ne0essary hoever,
and should no be done unle insuiient ain i fo4nd to exis shoauld the in
put be d from a oure impedance greater han 5 ohms, JT.
R2 &nd O3 wjl have to e hanged o 2 oms and &l ad &q O to 8, :
ohms o minain a flat 3sponse''on &lanced riding when e tranoer i
straped for 5 ohm source impedane
igh impedane mirophones r not reommended or use in hi e
uipmen, In general, the qualiy obainle from high imped8nce mjcrophones
is n0 satisatoy profesional wrh. n th event h it become neem
say to conne a high ipeda.ne mcrophone, he inpu cicuit will hav to be
rem4ired as hown in ire 5.
^ 4 ri d in g a 4 , 0 a3 amn ce d u t d_îo4 i n :
onnet a alaned line to pin and 3 o the Inpu Conneor (J1æ,
Pin 1 is grund, lace ee np4t anfer ith, (^1g, in he BAC
6o m /11/5 5m
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