Heritage Audio DMA 73, User Manual, Page: 4 / 10

GETTING STARTED
4
6 7 8 9 10
OUTPUT ATTENUATOR
Attenuates from 0 to Infinity
MIC INPUT IMPEDANCE
(Lo z)
1200 Ω or 300 Ω when pressed
LINE
Switches from MIC/D.I. to Line
MIC PAD PUSH BUTTON
-20 dB pad, ahead of the input
transformer
PHASE
Flips phase 180º
FRONT
REAR
1 2 3 4
POWER INPUT
To Be Connected to the external Power
Supply
LINE OUTPUT
Male XLR Connector
LINE INPUT
Female XLR Connector
MIC INPUT
Female XLR Connector
1 2 3 4 5
INPUT GAIN SWITCH
5 dB Steps From 30 to 80
D.I. INPUT
High Impedance Class A JFET
D.I.
Switch to actívate the D.I. input
PHANTOM POWER
Activates 48 V
HIGH PASS FILTER
-3 dB at 82 Hz, Discrete Class
A
2 4
1
6 5
3 1
10
9
8
7
2 3 4
All XLRs are:
Pin 1: GND
Pin 2: Hot
Pin 3: Cold
1 2
3 3
2 1
GND
Hot (+)
Cold (-)
MALE XLR FEMALE XLR D.I. Jack:
Tip: Signal
Sleeve: Ground
Tip=Signal
Sleeve=Ground/Shield
Tip
Sleeve