Full measurements for the DIY Sound Group HT-12 speaker kit.
The following measurements were performed on my outdoor turntable, measurements taken at 2.83v / 2M just below the tweeter axis and scaled 6dB for approximate 2.83v/1M level.
Measurements gated at 10ms and blended to nearfield woofer response below 218hz. Smoothing applied is 1/48th octave.
On Axis Response
CTA-2034 Style Spin
HT-12 Harmonic Distortion - 80, 90 and 100dB/1m