AVIXA CTS AV FORMULAS Exam
Questions and Answers with Verified
Solutions | Latest Updated 2026
Quick Solving Ohm's law & P
circuit theory
- - IE
Quick Solving Ohm's law & V
circuit theory
- - IR
Impedance Z=V2 / P
One way directional flow of Direct Current (DC)
electrons
various random directional Alternating Current (AC)
flow of electron transport and
movement
Electrical Power Required ([Lp+H-LS+20LOG(D2/Dr]) EPR =
(EPR) 10^
- ----- *W ref 10
Ohm's law P= V²÷R
BTU Heat load calculations BTU =We x 3.4
, Conduit capacity permissible 53%, 40%, 31%
areas
Audio: Voltage: Inverse square dB = 20 LOG(V1÷V2)
law calculation
Audio: Resistance calculation dB = 20 LOG(R1÷R2)
Reverb measurements tool RT60 Meter
Potential Acoustic Gain PAG PAG=20LOG((D0xD1)÷(D2xDs))
Variables for PAG & NAG D0: PAG-FSM
Source to listener D1: Mic to
loudspeaker D2: Loudspeaker - NOM _______ PAG
to listener Ds: Mic to source
EAD: Equivalent acoustic
distance FSM: Feedback
stability margin NOM: Number
of mics
Needed Acoustic Gain NAG NAG=20LOG(D0÷EAD) NAG +FSM
Variables for PAG & NAG D0: +NOM ________ NAG
Source to listener D1: Mic to
loudspeaker D2: Loudspeaker
to listener Ds: Mic to source
EAD: Equivalent acoustic
distance FSM: Feedback
stability margin NOM: Number
of mics
Feedback stability margin Equalized = 6dB
(FSM) Non-Equalized=12dB
Questions and Answers with Verified
Solutions | Latest Updated 2026
Quick Solving Ohm's law & P
circuit theory
- - IE
Quick Solving Ohm's law & V
circuit theory
- - IR
Impedance Z=V2 / P
One way directional flow of Direct Current (DC)
electrons
various random directional Alternating Current (AC)
flow of electron transport and
movement
Electrical Power Required ([Lp+H-LS+20LOG(D2/Dr]) EPR =
(EPR) 10^
- ----- *W ref 10
Ohm's law P= V²÷R
BTU Heat load calculations BTU =We x 3.4
, Conduit capacity permissible 53%, 40%, 31%
areas
Audio: Voltage: Inverse square dB = 20 LOG(V1÷V2)
law calculation
Audio: Resistance calculation dB = 20 LOG(R1÷R2)
Reverb measurements tool RT60 Meter
Potential Acoustic Gain PAG PAG=20LOG((D0xD1)÷(D2xDs))
Variables for PAG & NAG D0: PAG-FSM
Source to listener D1: Mic to
loudspeaker D2: Loudspeaker - NOM _______ PAG
to listener Ds: Mic to source
EAD: Equivalent acoustic
distance FSM: Feedback
stability margin NOM: Number
of mics
Needed Acoustic Gain NAG NAG=20LOG(D0÷EAD) NAG +FSM
Variables for PAG & NAG D0: +NOM ________ NAG
Source to listener D1: Mic to
loudspeaker D2: Loudspeaker
to listener Ds: Mic to source
EAD: Equivalent acoustic
distance FSM: Feedback
stability margin NOM: Number
of mics
Feedback stability margin Equalized = 6dB
(FSM) Non-Equalized=12dB
