Peavey UMA 75 UMA 150 PA Manual Schematics

Page 1

OPERATING 8: INSTALLATION INSTRUCTIONS

POWERED
DURING INS
EXPOSE THIS,

Do NOT ATTEMPT To INSTALL THIS

WARNING!

TIDN. To PREVENT ELECTRICAL SHOCK 0R FIRE HAZARD. DO NOT
LIANGE To RAIN OR MOISTURE.

UNIT WHILE IT, OR ANY CONNECTING UNITE. ARE
. RI K OF ELECTRICAL SHOCK EXISTS IF ALL UNITS ARE NOT POWERED OFF
A25;

p

PEAVEK

ARCHITECT HAL ACOUSTICS "

UMA/75

UMA"/1SD

Utility Mixer Amplifiers

FEATURES:

POWER OUTPUT:

150 Watts RMS into 4 ohms (UMATM/15O)
75 Watts RMS into 4 ohms (UMAWTS)
INPUTS:

Dedicated high Z/low Z MIC 1 and MIC 2
inputs With screw terminals (and XLR for
low Z)

Dedicated high 2 AUX 1 and AUX 2
inputs With RCA phono jacks

Automatic precedence of Mo 1 over
AUX 1 or AUX 2 or both (detestable).
CONTROLS AND lNDICATOFIS:

MIC 1 level control knob

MIC 2 level control knob

AUX 1 level control knob

AUX 2 level control knob

High EQ control (Treble)

Low EQ control (Bass)

"Contour" Switch

Power On LED
Power Switch «D

OUTPu Ts:

UMA/75:

4 a screw terminal output

8 9/25 volt screw terminal output
16 n screw terminal output

70 V screw terminal output

1 wow (I balanced output

AC convenience outlet
UMA/150:

4 (1/25 volt screw terminal output
8 o screw terminal output

16 o screw terminal output

70 V screw terminal output

1 V/SOO n balanced output

AC convenience outlet

PACKAGE!
Painted SheIHOp chassis with detach-
able, smoke tinted security covert

Discmniou

The UMAW/75 and UMAW/150 are
high performance Utility Mixer Amplifiers
designed to meet the needs of the most
demanding fixed installation/PA applicae
tion The userefriendly control layout,
coupled With state-of-the-art circuit de
sign, assures reliable long-term operation
and smooth trouble-free installation.

Twenty-five and seventy volt line
output capability is standard equipment

The UMA/75 and UMA/150 have
been packaged for standard 19' "rack-
mounl' capability Available rack space is
always a premium with installations and
each UMA mixer amplifier occupies only
two vertical rack spaces. A smokealinted
security cover has been provided with a
"snap-on feature to guard against acoiA
dental or malicious alteration ol system
calibration

Rov.8l066

Page 2

l. MIC 1 LEVEL CONTROL:
Controlsthesignallevelatthe Micro-
phone 1 Input

2. MIC 2 LEVEL CONTROL:
Controlslhe signallevelatthe Micro-
phone 2 Input

3. AUX 1 LEVEL CONTROL:
Controls the signal level at the Aux 1
Input.

4. AUX 2 LEVEL CONTROL:
Controls the signal level at the Aux 2
input,

5: HIGH E0 CONYROL (TREBLE):

Active equalization control that ad-
justs the high frequency response Clock-
wise rotation boosts highs while counter-
clockwise rotation provides a cut (reduc-
tion) of the high frequencies (+/- 12 dB).

6. Low EO CONTROL (BASS):

Active equalization control that ad»
justs the low frequency response Clock-
WIse rotation boosts lows while counter-
clockmse rotation provides a cut (reduc-
tion) of the low frequencies (+/» 12 dB).

FRONT PANEL CONTROLS

7. CONTOUR SWITCH:

The "in position of this switch pro
vides 10 dB boost at 100 HZ and 6 dB
boost at 10 kHz. The out' position ref
moves boost from the system.

8. MASTER:
Controls the overall volume level of
the system,

9. POWER ON LED:
Indicates when AC power is being
supplied to the unit.

10. POWER SWITCH:
Depress to On position to turn on.