AVIXA CTS LATEST 2026 TEST PAPER QUESTIONS AND
SOLUTIONS RATED A+
✔✔Intelligible audio - ✔✔Good direct to reflected ratio that meets desired frequency
response.
✔✔Ohm's Law - ✔✔Relationships between current value and resistance in and
electrical circuit.
✔✔Circuits have: - ✔✔Source, load, conductor
✔✔Mic Level - ✔✔.002V
✔✔Line Level - ✔✔.316v
✔✔Current and resistance - ✔✔R=v/r
✔✔V/IR - ✔✔Formula for volts
✔✔P/IV - ✔✔Formula for Powe
✔✔Power is measured in? - ✔✔Watts
✔✔I represents: - ✔✔Amps
✔✔V - ✔✔Volts
✔✔R means? - ✔✔Resistance or ohms
✔✔Impedance is expressed in? - ✔✔resistance but expressed with symbol Z. Refers to
the load a speaker places on an amp - Important for speakers and power amps
✔✔Impedance calculation - ✔✔V2/W = Impedence
✔✔DB is 1/10th of a Bel - ✔✔Decibel logarithmic measurement
✔✔Db calculation for Power - ✔✔10log(V/R)
✔✔Db calculation for Voltage - ✔✔20log(V/R)
✔✔Db calculation for Distance - ✔✔20log(R/V)
✔✔Professional audio - ✔✔.785v or 0 dBu reference level
, ✔✔dBV or 1 v - ✔✔Voltage consumer electronics
✔✔Voltage: 0 dBu reference 0.775 Vrms - ✔✔Mic level -50 dBu / 0.002V
✔✔Power is measured by? - ✔✔Watts
✔✔Current is measured by? - ✔✔Amps
✔✔Volts is measured in? - ✔✔Volts
✔✔Impedance calculation - ✔✔V2/P= Z or impedance
✔✔Full Speaker overlap calculation? - ✔✔D=r
✔✔Edge to edge speaker overlap? - ✔✔D=2x r (radius)
✔✔Partial speaker overlap? - ✔✔D=Rx square root of 2
✔✔Conduit capacity for 2 cables - ✔✔31% fill
✔✔Conduit capacity for 3 or more cables - ✔✔40%
✔✔Conduit capacity for 1 cable - ✔✔53%
✔✔Signal separation in racks: - ✔✔One signal type per bundle
✔✔Do not put speaker and microphone cables... - ✔✔In the same conduit to avoid
signal distortion
✔✔Keep cable away from? - ✔✔Electrical signals
✔✔.002 volts - ✔✔Mic level audio
✔✔.775 volts - ✔✔Line level audio
✔✔load safety ratio for equipment install? - ✔✔5:1
✔✔Point source speakers - ✔✔Deliver very loud sound from 1 location (array or cluster)
✔✔For ISO (most common) rated Hardware what kind of bolts - ✔✔8.8 for AV install
✔✔For mounting ASTM and SAE bolts - ✔✔Use no less than Grade 5
SOLUTIONS RATED A+
✔✔Intelligible audio - ✔✔Good direct to reflected ratio that meets desired frequency
response.
✔✔Ohm's Law - ✔✔Relationships between current value and resistance in and
electrical circuit.
✔✔Circuits have: - ✔✔Source, load, conductor
✔✔Mic Level - ✔✔.002V
✔✔Line Level - ✔✔.316v
✔✔Current and resistance - ✔✔R=v/r
✔✔V/IR - ✔✔Formula for volts
✔✔P/IV - ✔✔Formula for Powe
✔✔Power is measured in? - ✔✔Watts
✔✔I represents: - ✔✔Amps
✔✔V - ✔✔Volts
✔✔R means? - ✔✔Resistance or ohms
✔✔Impedance is expressed in? - ✔✔resistance but expressed with symbol Z. Refers to
the load a speaker places on an amp - Important for speakers and power amps
✔✔Impedance calculation - ✔✔V2/W = Impedence
✔✔DB is 1/10th of a Bel - ✔✔Decibel logarithmic measurement
✔✔Db calculation for Power - ✔✔10log(V/R)
✔✔Db calculation for Voltage - ✔✔20log(V/R)
✔✔Db calculation for Distance - ✔✔20log(R/V)
✔✔Professional audio - ✔✔.785v or 0 dBu reference level
, ✔✔dBV or 1 v - ✔✔Voltage consumer electronics
✔✔Voltage: 0 dBu reference 0.775 Vrms - ✔✔Mic level -50 dBu / 0.002V
✔✔Power is measured by? - ✔✔Watts
✔✔Current is measured by? - ✔✔Amps
✔✔Volts is measured in? - ✔✔Volts
✔✔Impedance calculation - ✔✔V2/P= Z or impedance
✔✔Full Speaker overlap calculation? - ✔✔D=r
✔✔Edge to edge speaker overlap? - ✔✔D=2x r (radius)
✔✔Partial speaker overlap? - ✔✔D=Rx square root of 2
✔✔Conduit capacity for 2 cables - ✔✔31% fill
✔✔Conduit capacity for 3 or more cables - ✔✔40%
✔✔Conduit capacity for 1 cable - ✔✔53%
✔✔Signal separation in racks: - ✔✔One signal type per bundle
✔✔Do not put speaker and microphone cables... - ✔✔In the same conduit to avoid
signal distortion
✔✔Keep cable away from? - ✔✔Electrical signals
✔✔.002 volts - ✔✔Mic level audio
✔✔.775 volts - ✔✔Line level audio
✔✔load safety ratio for equipment install? - ✔✔5:1
✔✔Point source speakers - ✔✔Deliver very loud sound from 1 location (array or cluster)
✔✔For ISO (most common) rated Hardware what kind of bolts - ✔✔8.8 for AV install
✔✔For mounting ASTM and SAE bolts - ✔✔Use no less than Grade 5
