LS100
LS100 WRITTEN TEST EXAM QUESTIONS
AND ANSWERS UPDATED (2024/2025)
(VERIFIED ANSWERS)
Can you change a crossover point on a passive crossover? - ANS ✓No
Every time you add a console to an analogue split, what happens to the
signal? - ANS ✓The signal is decreased to each console
What type of splitter system losses no mic signal due to a split? - ANS
✓Digital Splitters
What does A VOM measure? - ANS ✓Resistance Ω
AC & DC Voltage
What does a pre-amplifier do in a mixing console? - ANS ✓Increases mic level
signal to line level
When mixing monitors at monitor land, what is more commonly used: post-
fader aux busses or pre-fade aux busses? - ANS ✓Post-fader aux busses when
mixing from Monitor land. Because the post-fade send will have all the effect of
EQ and fader movement
When mixing monitors at FOH, what is more commonly used: post-fader
aux busses or pre-fade aux busses? - ANS ✓Pre-fade aux busses when mixing
at FOH. This is because we want to set the levels of stage monitors independent
from the faders, that way the artist mix isn't affected when we change the FOH
mix
1
LS100 Written
, LS100
At FOH, what do we use to listen to a soloed input? - ANS ✓Headphones
At Monitor land, what do we use to listen to a soloed input or output? - ANS
✓Cue Wedge
What does PFL stand for? - ANS ✓Pre Fade Listen
What does AFL stand for? - ANS ✓After Fader Listen
What types of cables have shields?
A) XLR/mic cable
B) Speaker cable
C) TS/Instrument cable
D) IEC/Power cable
E) RCA cable - ANS ✓A) XLR/mic cable
C) TS/Instrument cable
E) RCA cable
Speaker wires on the Club PA use what type of connector? - ANS ✓NL-4
(Speakcon)
A wall outlet in the US would provide ________ VAC @ _______ Hz _______ phase
power - ANS ✓120VAC 60Hz single phase
In a 3 phase power system, what would be the voltage measurement
between Black hot and Blue Hot? - ANS ✓208VAC
What level does a passive crossover work at? - ANS ✓Speaker level
2
LS100 Written
LS100 WRITTEN TEST EXAM QUESTIONS
AND ANSWERS UPDATED (2024/2025)
(VERIFIED ANSWERS)
Can you change a crossover point on a passive crossover? - ANS ✓No
Every time you add a console to an analogue split, what happens to the
signal? - ANS ✓The signal is decreased to each console
What type of splitter system losses no mic signal due to a split? - ANS
✓Digital Splitters
What does A VOM measure? - ANS ✓Resistance Ω
AC & DC Voltage
What does a pre-amplifier do in a mixing console? - ANS ✓Increases mic level
signal to line level
When mixing monitors at monitor land, what is more commonly used: post-
fader aux busses or pre-fade aux busses? - ANS ✓Post-fader aux busses when
mixing from Monitor land. Because the post-fade send will have all the effect of
EQ and fader movement
When mixing monitors at FOH, what is more commonly used: post-fader
aux busses or pre-fade aux busses? - ANS ✓Pre-fade aux busses when mixing
at FOH. This is because we want to set the levels of stage monitors independent
from the faders, that way the artist mix isn't affected when we change the FOH
mix
1
LS100 Written
, LS100
At FOH, what do we use to listen to a soloed input? - ANS ✓Headphones
At Monitor land, what do we use to listen to a soloed input or output? - ANS
✓Cue Wedge
What does PFL stand for? - ANS ✓Pre Fade Listen
What does AFL stand for? - ANS ✓After Fader Listen
What types of cables have shields?
A) XLR/mic cable
B) Speaker cable
C) TS/Instrument cable
D) IEC/Power cable
E) RCA cable - ANS ✓A) XLR/mic cable
C) TS/Instrument cable
E) RCA cable
Speaker wires on the Club PA use what type of connector? - ANS ✓NL-4
(Speakcon)
A wall outlet in the US would provide ________ VAC @ _______ Hz _______ phase
power - ANS ✓120VAC 60Hz single phase
In a 3 phase power system, what would be the voltage measurement
between Black hot and Blue Hot? - ANS ✓208VAC
What level does a passive crossover work at? - ANS ✓Speaker level
2
LS100 Written
