Electro-Voice HP64M Constant Directivity Horn (60×40 – 1-3/8″ x 18 TPI)

Specifications: • Nominal dispersion: 60°H x 40°V • Minimum frequency: 1,600 Hz • Throat diameter: 1″ • Dimensions: 11″H x 11″W x 9″D • Mounting type: Standard Screw 1-3/8″ – 18 TPI • Construction: ABS
HP64M used in Eliminator-I, Eliminator-II (Xover-1K6) and T221 (Xover-1K2)

On axis Frequency Response

Black=Peavey RX14  |  Blue=PRV D280Ti  |  Red=Pyle PDS442

Black=Pyle PDS182  |  Blue=Pyle PDS382  |  Red=Pyle PDS221

Selenium ADM25-25 adapter was used for the following compression drivers

Black=Peerless DFM2535R00-08  |  Blue=Dayton D250P |  Red=PSD2002

Black=Selenium D220Ti  |  Blue=Radian 450PB  |  Red=Pyle PDB512

Note: All plots are staggered for easier reference. Mic at 24 inches, on axis. Impulse Window=5msec. No smoothing applied.