The ArmaLite AR-18 is a gas-operated rifle chambered for 5.56×45mm NATO ammunition. The AR-18 was designed at ArmaLite in California by Arthur Miller, Eugene Stoner, George Sullivan, and Charles Dorchester in 1963 as an alternative to the Colt AR-15 design, a variant of which had just been selected by the U.S. military as the M16.

Sep 8, 2017 · " I got interested in AR 18 because the favorable comparison of it to Yamaha NS10 as a studio monitor speaker. The obvious thing to do is to refoam the woofers. I had some success in refoam 2 AR 3a woofers and 2 Advent woofers without cutting away the dustcaps.

Feb 3, 2015 · At this time, I would like to use all drivers from the AR-18s model, and use them in the AR-18 enclosure model. The difference between the two enclosures are, the 18 use a two way switch and has a resistor with cap, while the 18s box does not and does not have a …

Jun 9, 2020 · The original 18 was essentially an AR-7 with the liquid-cooled version of AR's superb 1 1/4" cone tweeter. It had a crossover frequency of 2000Hz, the same as the 7, but with the new tweeter's greater power handling capability, the 18's power response was somewhat flatter than the 7.

Jun 1, 2015 · In extreme temperature testing, 9,000 rounds were fired through 3 rifles. The M16A1 experienced 11 malfunctions and the AR-18 had 112 malfunctions. The conclusion stated the AR-18 has military potential, but prior to any additional testing, …

Sep 1, 2021 · Developed off the 7.62 NATO AR-16, the ArmaLite AR-18 was an inventive 5.56 NATO assault rifle much like the firm's famous AR-15, and though over shadowed, its short-stroke gas piston...

2 way, 2 driver loudspeaker system - frequency response: 48Hz to 25kHz - crossover frequency: 2000Hz - impedance: 8Ω - sensitivity: 86dB - bass: 1 x 200mm acoustic suspension - tweeter: 1 x 32mm pressure. Model page created by Edoardo Sigismondo. See …

Mar 28, 2017 · Unlike the other speaker models from the Classic era, the AR-18's precursor, the AR-7, were sold as pairs. The AR-7 was typically packaged two speakers per carton, but each AR-7 cabinet had its own unique serial number.

This is the AR-18S which was the smallest of the the Acoustic Research speakers available around 1981. It was widely used in recording studios due to its natural flat response. I have personally repaired the woofer surrounds with the filleted type surrounds to …