Specifications: • Horn type: Exponential • Minimum frequency: 1,200 Hz • Nominal dispersion: 45° H x 45° V • Throat diameter: 1″ • Mounting type: 1-3/8″-18 TPI • Dimensions: 4.5″ H… Read more >
Sparrow MTM-2 It was in 2017 that I designed the Sparrow-MTM. In that version, my aim was to design a MTM that’s easy on the pocket. In this MTM-2, sound… Read more >
The Sparrow-MTM is the D’Appolito version of SB Acoustics 5″ plastic frame drivers. It is a bass reflex of 22 liters, with two SB13PFC25-04 mid-woofers flanking a PRV Audio Wave… Read more >
Cardinal Evaluation of Peerless 830874 with PRV D280Ti coupled to Dayton H07E horn Peerless 830874 Raw Response and at 2kHz Peerless 830874 Harmonic Distortion with 2kHz Low Pass Impedance sweep… Read more >
Having tested out two compression drivers with this PH565 horn, I’m still not too happy with the results. In this third attempt, I decided on the PRV D280Ti. Fig 1… Read more >
Here is another horn that looks good with 8″~12″ woofers. The Pyle PH810 measures approximately 10″ W x 8″ H and has a coverage of 90° H x 40° V…. Read more >
The Dayton Audio H07E is one of my favorite horns. To be more precise, it’s a specialized type of horn known as a Waveguide. The difference between a horn and… Read more >