Weight : 24 kg (53 lb woofer resonance : Free air 18 Hz, in image enclosure.
Its cabinet is made of real walnut veneer, grills are mostly cream colored.
We tried out a variety of available foams carrie and recommend to use this 12 inch carrie refoam kit by parts express.
In addition crack to incorporating the assassins 305mm (12in) bass driver with which AR introduced its acoustic suspension systems to home listeners, the AR-3a was the first speaker system to use two miniature north hemispherical speakers developed by AR to give better midrange and high-frequency response.A big plus is that there are many restoration guides, some of which are very detailed.It has razor been designed to reproduce music as accurately as present day knowledge of acoustics and electronics permits.Amplifier : Up to 100 watts per channel.The design of such small speakers one is only 19mm (3/4 in) in diameter although technically difficult, allows the laws of physics to operate to the listeners advantage.Considering the fact that the speakers are nearly 50 years old, their bass is strong too.A carrie refoaming kit can usually be bought for around 30 and replacing old foams will just carrie take around 1 to 2 hours.The AR-3a had to comply with highest sony expectations, as the original AR-3 (developed in the late 50ies) was the highest quality speaker available for nearly a decade and had been used in a variety of professional settings.Acoustic Research AR-3a Specifications: Drive Units : 305 mm (12 in) acoustic suspension woofer, 38 mm (1 1/2 in) midrange hemispherical dome, 199 mm (3/4 in) high-frequency hemispherical dome.I can recommend to place the AR-3as on small stands, in this case solely to keep them a little cleaner and safer.There are surrounds available that fit to a variety of speakers and some that are produced for very specific speakers, such as red foam surrounds for CW speakers.The AR-3a was Acoustic Researchs High-end speaker and customers had to pay around 500 to buy a pair, a fortune at the time.The sound of the AR-3as is very warm, but clear.High and mid-frequencies can be additionally adjusted at the back of each rodrigo speaker.The new miniature speakers offer an unprecedented degree of accuracy in their respective ranges.By 1966 Acoustic Research held more than a third of the US market shares in the speaker market, the highest share ever measured in the industry.Each speaker has a 12 inch woofer, a dome midrange and a inch dome tweeter.Size : 356 lynn x 636 x 289 mm deep ( 14 x 25 crack x 11 3/8 in). However, not rock or premium heavy bass music, but music with classical instruments or in general classical music lets these speakers shine.