5 your 104m, 1:4 microphone amplifier, Your 104m, 1:4 microphone amplifier, Figure 3: 104m microphone amplifier – Kramer Electronics 105VB User Manual
Page 10

Your 104M, 1:4 Microphone Amplifier
7
7
5 Your 104M, 1:4 Microphone Amplifier
The 104M is a high quality distribution amplifier for dynamic microphone
signals. It accepts a microphone input and distributes the signal to four
identical line-level outputs.
The 104M:
•
Includes audio level (Gain) control
•
Has an S/N ratio of 78dB
•
Is 12V DC fed
Figure 3 and Table 3 define the 104M
1:4 Microphone Amplifier
Figure 3: 104M Microphone Amplifier
Table 3: Features and Functions of the 104M Microphone Amplifier
#
Feature
Function
1
OUT 6.5mm Phone Connector Connects to the audio acceptors (from 1 to 4)
2
GAIN Trimmer
Controls the audio output level
3
INPUT 6.5mm Phone Connector Connects to the mono microphone audio source
4
ON LED
Illuminates when the machine is powered
5
12V DC
+12V DC connector for powering the unit
1 Insert a screwdriver into the small hole and carefully rotate it to adjust the audio level