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Benchmark System Calculator

by Benchmark Media Systems November 23, 2022 1 min read

Calculate the combined system performance of a Benchmark audio system using a DAC3 D/A converter, LA4 line amplifier, and AHB2 power amplifier.

BENCHMARK SYSTEM CALCULATOR
Select DAC Calibration: +24 dBu at 0 dBFS, XLR Input (Benchmark DAC) 4 Vrms at 0 dBFS, XLR Input (Typical HiFi Balanced) 2 Vrms at 0 dBFS, RCA Input (Typical HiFi Unbalanced)	Select AHB2 Amplifier Mode: Stereo Bridged Mono
Enter LA4 Volume Setting: dB
Enter Speaker Sensitivity: dB SPL (2.83 V, 1 Meter) (1 Watt, 1 Meter)	Select Speaker Impedance: 4 Ohms 8 Ohms
Distance from Speaker(s): Meters
Select Number of Speakers: One Speaker Two Speakers	Select Room Configuration: Anechoic Chamber or Large Open Space Typical Listening Room Speakers mounted on or in front wall

CONTRIBUTING FACTORS
Amplifier Output Level: dB (relative to 2.83 V)
SPL from single loudspeaker: dB SPL (2.83 V, 1 meter)
Gain from multiple loudspeakers: dB
Loss due to distance: dB (relative to 1 meter)
Gain from room reflections: dB (typical - may vary)
RESULTS
Peak Output Level (at typical listening position): dB SPL
Amplifier Headroom (at Peak Output): dB
Amplifier Peak Output Power: Watts

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