A cabinet for improving the sound output of an amplifier including an upright housing having a horizontal partition dividing the interior of the housing into an upper portion and a lower portion, a speaker mounted in the horizontal partition and oriented for directing sound into the upper portion of the housing, a reflective sounding board positioned within the upper portion of the housing inclined at an angle relative to the horizontal partition, the sounding board being inclined from the lower back to the upper front of the housing dividing the upper portion into a forward and rearward resonance chamber, the sounding board reflecting sound outwardly from the cabinet, the sounding board having an opening therein of an area of one-half to seven-eighths of the vibrational area of the speaker, the opening being covered by a metal plate permitting fast sound transmission between the forward and rearward resonance chambers and a front panel covering the housing upper and lower portion, the upper portion of the front panel having a plurality of openings therein through which both direct and reflected sound emanates from the cabinet.
A miniature sounder having a diaphragm closing one end of a tuned chamber. The other end of the chamber communicates with the interior of a tuned housing through which an open-ended enclosure extends. The oscillating frequency of the diaphragm. The housing and enclosure are tuned to resonate at the desired frequency.
A cabinet for improving the sound output of an amplifier, the cabinet being in the form of an upright rectangular housing with a horizontal partition dividing the interior into an upper and lower portion, the partition having a speaker opening and a baffle opening, a speaker being mounted in the speaker opening for upward projection of the sound into the housing upper portion, the speaker being connected to the amplifier, a sounding board within the housing upper portion inclined at an angle from the housing rear upwardly towards the housing front, a sheet of metal affixed to the horizontal partition and covering the baffle opening, the vibration of the speaker serving to drive the metal baffle by condensations and rarefaction of the sound waves to either side of the horizontal partition so that the metal baffle functions as a supplemental and complementary sound source.
A cabinet for improving the sound output of an amplifier including an upright housing with a speaker mounted on the front, the front having one or more baffle openings, a device herein called a sound lens inserted in the baffle opening, the vibration of the speaker serving to induce vibration of the sound lens by condensation and rarefaction, by the speaker, of the sound waves to either side of the housing so that the sound lens functions as a supplemental and complementary sound source.
A loudspeaker enclosure with precisely dimensioned chambers to control and develop loudspeaker back wave energies almost exclusively as acoustical tensions. Focusing of these acoustical tensions is accomplished within each chamber so as to localize the several points of acoustical energy concentration optimally at the aperture positions between chambers. The second and also a third chamber operate to maintain proper load levels throughout the complex acoustical air column until eventual release into the listening space, the third, as well, creating essential reverberation and depth.
A loudspeaker enclosure, for a loudspeaker with a diaphragm, having a front wall, a mounting and spacing device for mounting the loudspeaker spaced from the front wall, and an aperture defined in the front wall which is substantially smaller than the diaphragm. The enclosure can include an elliptical panel mounted to the diaphragm and spaced from the front wall. The enclosure provides for a greater bass sound and a flattened frequency response curve.
