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CONTROLS(FRONTPANEL)
Acousta-Voicette
isequipped withaself-c 0nta in ed power
supply, whichisactivated bythe main sound system powerON/
OFF switch, whenthe729A isplugged intoa"Switched" (120V,
50/60 Hz),receptacle onthe rear ofthe receiver. (Figure4).
POWERCONNECTIONS
Equipmentsupplied fordomestic use(120 volt, 50/60 Hz),will
have thepower transformer primarystrapped for120 volts (ter
minals 2to 3and 4to 5on TB1). Thepower inputnameplate
on the chass isad jacent tothe power cordwi IIbe mounted to
show theappropriate sidespecifying theconnections. Tostrap
for 220 volt operation cutthe strap between terminals 2to 3,
and 4to 5on TBl and restrap 3to 4. F1fuse should alsobe
changed fromthe1amp provided toa1/2 amp fuse.
IN
position, inwhich thefilter andgain
adjustments areeffective.
TAPE position, sameas"IN" position,
however, anysig na Iappl iedmust pass
through anexternal tape recorder, and
again backthrough theequalizer before
be ing appl iedtothe main receiver system.
TAPE/IN/OUT
(Conti nued):
Modified twin"T"active bandrejection
notch filters, 24per channel, operating
in cascade, andcentered at1/3 octave
intervals from63Hz to12.5 KHz, each
f iIte rproviding 0dB to -14 dBloss at
center frequency.
A broadband reinsertion gain control,
vertical mounted, linearslide (0ne per
channel) .
For A/B comparison andtape monitoring,
selectable to:
GAIN: LEFT
&RIGHT
CHANNELFILTERS:
TAPE/IN/OUT:
OUTposition, whichbypasses thefilter
and gain of the equa Iizer -
ALTEC 724A/725A -REAR VIEW
FROM TOTAPERECORD
ACCESSORY MONITOROUTPHONO
o 0
o 0
TURNTABLE
ACOUSTA -VOICETTE -REAR VIEW
TAPE
INPUT
LEFT CHANNEL
0
RIGHT CHANNEL 0
TAPE
OUT PUT
o
o
OUTPUT IINPUT
Figure 2.729A Wiring Diagram withAltec Preamplifier
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