UMA
™
752 MIXER/AMPLIFIER
Specifications
S
Sp
pe
ecciiffiicca
attiio
on
ns
s
R
Ra
atte
ed
d o
ou
uttp
pu
utt p
po
ow
we
err:: 75 Watts
O
Ou
uttp
pu
utt rre
eg
gu
ulla
attiio
on
n::
Direct out:
<
0.5 dB
Transformer out:
<
1.0 dB
FFrre
eq
qu
ue
en
nccy
y rre
essp
po
on
nsse
e::
Power Amplifier:
±0.5 dB, 20 Hz to 20 kHz,
direct out
±1.0 dB, 50 Hz to 20 kHz,
transformer out
Preamplifier:
±1.0 dB, 20 Hz to 20 kHz
T
TH
HD
D::
Power Amplifier:
0.05% (1 kHz)
Preamplifier:
0.10% with nominal gain
settings
P
Po
ow
we
err b
ba
an
nd
dw
wiid
dtth
h ((±±3
3 d
dB
B))::
Direct out:
<
10 Hz to 70 kHz
Transformer out:
30 Hz to 40 kHz
S
Siig
gn
na
all//n
no
oiisse
e::
(22 Hz — 22 kHz) typical
All controls CCW:
-100 dB
All controls nominal (5):
-90 dB
Level controls CCW and master level CW:
-80 dB
O
Ou
uttp
pu
uttss::
Direct out:
4 Ohms
XFMR:
Balanced 8 Ohms (25 V),
70 V, 100 V
Ch. 4 out:
1 V nom., +21 dBu max.
at 100 Ohms
Pre out:
1 V nom.; +21 dBu max.,
at 100 Ohms
IIn
np
pu
uttss::
Channel 1:
Mic 1 mV at 1.8 k Ohms
(XLR or screw terminals)
Tel 100 mV at 20 k Ohms
(Screw terminals)
Channel 2:
Mic 1 mV at 1.8 k Ohms
(Screw terminals)
Line 100 mV
at 20 k Ohms
(Screw terminals)
Channel 3:
Line 100 mV
at 20 k Ohms
(Screw terminals)
Channel 4:
Line 100 mV
at 20 k Ohms
(Screw terminals)
Stereo 316 mV
(-10 dBV) at
4.0 k Ohms
(RCA jacks)
Power in:
1 Volt at 20 k Ohms
T
To
on
ne
e cco
on
nttrro
ollss::
Bass:
±10 dB at 100 Hz
Treble:
±10 dB at 10 kHz
FFrro
on
ntt p
pa
an
ne
ell cco
on
nttrro
ollss a
an
nd
d iin
nd
diicca
atto
orrss::
Channel 1 level control
Channel 2 level control
Channel 3 level control
Channel 4 level control
Bass control
Treble control
