Comparison: Drivers BG54 and BG54-Chifon
The Listening Room Measurements

Baffle boards only - 0.75" thick, 17.75" width
Unsmoothed responses

Microphone at 2 meters distance and a height of 1 meter.
MLS: 32 averages, 432/4096 point FFT, Half-Bingham window.
NO octave smoothing - Amplitude Axis @ 6dB per division.
Nominal 'ZERO' dB line @ -6dB on plot.
Careful inspection of 'Chifon' plot shows overall reduction in variance.

The Listening Room Measurements - Comparison: BG54-Chifon & BG55-Chifon.
The Listening Room Measurements - Comparison: BG55 & BG55-Chifon, No Smoothing.
The Listening Room Measurements - Two-Sided Baffles - Table of Contents.
Acoustic Line Source Research - Table of Contents.