Selenium HC23-25 (100×40) Horn with Dayton D250P

HC2325 D250P VER2
Selenium HC23-25 Specifications: • Horn type: Exponential • Minimum frequency: 600 Hz • Nominal dispersion: 100° H x 40° V • Throat diameter: 1.0″ • Mounting type: 1-3/8″-18 TPI • Dimensions: 10.0″ W x 5.0″ H x 5.7″ D • Cabinet cutout: 3-1/4″ H x 8-1/2″ W
Evaluation Setup: A 24dB/oct (Linkwitz Riley) electronic crossover is used for all measurements.

Frequency Response of Selenium HC23-25 with Dayton D250P

SELENIUM HC23-25 D250PFig 1 – Mic at 1 meter, tweeter axis. Impulse Window = 5ms. No Smoothing.

Summed Response of Dayton RS180s with Selenium HC23-25/D250P
SUM RS180S D250P 2K

Fig 2 – 24dB/oct L/R Electronic Crossover set at 2kHz. Disregard measurements below 500Hz.

Correct Summing with D250P wired in Reversed Phase
SUM RS180S D250P REV

Fig 3 – Dayton D250P wired in reversed phase. Disregard measurements below 500Hz.

Delay Added to Dayton RS180s with D250P wired in Reversed Phase
SUM RS180S D250P REV_DELAY

Fig 4 – Delay Added to Dayton RS180s with D250P wired in reversed phase. Disregard measurements below 500Hz.

Time Aligned Dayton RS180s with D250P wired in Normal Phase
SUM RS180S D250P DELAY TIME ALIGNED

Fig 5 – Time Aligned RS180s with HC23-25/D250P. Disregard measurements below 500Hz.

Time Aligned Frequency Response of Dayton RS180s with Selenium HC23-25/D250P
FR RS180s D250P TA

Fig 6 – Time Aligned RS180s with HC23-25/D250P. Measurements below 500Hz are in Nearfield.