dBV

Benchmark HPA4 Calculator

by John Siau November 16, 2022 1 min read

BENCHMARK HPA4 CALCULATOR
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)
HPA4 Volume Setting:	dB
Headphone Sensitivity:
	dB SPL @ 1 mW
	dB SPL @ 1 Vrms
Headphone Impedance:

RESULTS
Amplifier Output Power:	mW (at peak SPL)
Relative Output Power:	dBm (dB relative to 1 mW)
Relative Output Level:	dBV (dB relative to 1 Vrms)
Headphone Peak SPL:	dB SPL
Amplifier Headroom:	dB (at peak SPL)