Mackie TH-12A Speaker User Manual


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5
Introduction
The Mackie TH-12A Powered Loudspeaker delivers a chest-pounding 400W of peak system power via ultra-
efficient Class-D amplification. This means more power with less weight, perfect when portability matters. The 12"
high-precision woofer and 1" compression driver provide punchy sound with superior midrange response, ideal for
vocal and acoustic applications.
An integrated 3-band contour EQ with a sweepable mid-frequency lets you dial in the perfect tone and even
allows you to correct common room anomalies. The XLR input handles both mic and line level signals, so you can
just hook up a mic and be heard, assuming you have something to say. There’s even an XLR Thru that allows you to
easily “daisy chain” multiple TH-12As for increased coverage.
The TH-12A harnesses Mackie’s Active technology, including transducer time alignment, phase correction and
precision crossovers, maximizing the potential of every component. The TH-12A is truly greater than the sum of its
parts.
Convenient top and side handles are integrated into the rugged, impact-resistant polypropylene enclosure,
providing a PA solution that is as durable as it is portable. It makes the perfect stage monitor, and at only 25.5 lb,
it’s a breeze to pole-mount on a tripod stand or atop a subwoofer.
Mackie Thump TH-12A — High-performance audio without the high price tag.
OL
LEVEL
U
+15-15
U
+15-15
U
+15-15
600
8k100
MAX
OO
U
FREQ
HIGH
12kHz
LOW
80Hz
MID
THRU
EQ
CONTOUR EQ
INPUT
ON
POWER
OFF
ON
O
OL
LEVEL
U
+15-15
U
+15-15
U
+15-15
600
8k100
MAX
OO
U
FREQ
HIGH
12kHz
LOW
80Hz
MID
THRU
EQ
CONTOUR EQ
INPUT
ON
POWER
OFF
ON
O
TAPE
IN
ST RETURN MAIN OUTPHONES
FOOTSWITCH
PHONES
TAPE
OUT
L
R
L
(UNBALANCED)
R
MAIN
METERS
RL
BREAK
STEREO GRAPHIC EQ
FX SEND
GAIN
1
EQ
PAN
AUX
GAIN
2
EQ
PAN
AUX
GAIN
3/4
EQ
PAN
AUX
GAIN
5/6
EQ
PAN
AUX
GAIN
MIC MIC MIC MIC
7/8ST RTNFX RTN
EQ
PAN
AUX
FX TO MON
FX MASTER
L
R
L
R
L
R
L
R
L
R
MON SEND
FX PRESETS
INPUT LEVEL
USB
TAPE LEVEL
MON
MAIN
123/45/6 7/8
USB THRU
MUTE MUTE MUTE MUTE MUTE MUTE
48V
TH-12A TH-12A
ProFX8 Mixer
Right
Line-Level
Output
Left
Line-Level
Output
The left and right line-level outputs from a mixer feed the inputs of two Mackie TH-12A Powered
Loudspeakers.
Stereo Speaker Hookup
• 100WHFand300WLFpowerampliers(peak)
• 12"low-frequencywoofer
• 1"high-frequencycompressiondriver
• Flatfrequencyresponse(–10dB,57Hzto20kHz)
• 24dB/octavecrossoverat3kHz
• Low-frequencyover-excursionprotection
• High-strengthlightweightpolypropylenecabinet
• Ported,bassreexdesignforenhancedbass 
performance
• Convenientportabledesign,withintegrated 
handles in both sides and top
Here’s a quick look at all the features packed into the TH-12A loudspeaker:
• High-densityadiabaticberllabsorbsinternal
reections
• Rearpanelpowerswitch
• Pole-mountsocket
• BalancedMic/LineXLRinputandthruconnectors
• Adjustableinputlevelcontrol
• LFEQprovides±15dBat80Hzandbelow
• MFEQprovides±15dBwithsweepablefrequency
from 100 Hz to 8 kHz
• HFEQprovides±15dBat12kHzandabove
• EQbypassswitch
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