Circa 1980 Stereo Component. Tested with Sony 100 watt Audio Controller. All components in perfect working order. All speaker drivers, cones & foam excellent. Grills very good condition. Walnut cabinets no damage, other then one top with some fading in the stain. RARE VINTAGE LOUD SPEAKERS. 3 way floor type speaker system of the vertical series which inherited the design philosophy of AR-9. The 30cm corn type Woofer is carried in low-pass. The unit of a 1.9cm dome shape is carried in the 3.8cm dome shape and the high region in the inside region. Between the voice coil and the yoke, the magnetic fruid of the shape of colloid which is tinged with the magnetism of NASA development was put in, and the input-proof is improved while aiming at distorted reduction from a central axis as a structure as for which Bure is not. Furthermore, the acoustic blanket which is a special sound-absorbing material was attached to the surroundings of a unit, and sound quality degradation by reflective sound is prevented. A network part puts a speaker on an actual listening room in consideration of dissolution of wall dip, or examination is added under the environment of field front opening of 180 degrees, and the design is carried out. Moreover, a “17AWG sky core coil”, a “computer class electrolytic condenser”, “input-proof [unguided quantity] ceramic resistance”, etc. Are used for the element. The acoustic suspension system of AR tradition is adopted as the enclosure. By this system, air can achieve the duty of a spring by carrying out full sealing of the core, compliance can be enlarged, and it is possible to make low-pass resonance frequency lower. Moreover, walnut oil finishing is given. 3 ways, 3 speaker acoustic suspension system, and a floor type. For low-pass: 30cm corn type For inside regions: 3.8cm dome shape For high regions: 1.9cm dome shape. Output sound pressure level. 4ohms (a minimum of 3.2ohms). The continuation maximum input. Inside region: Three-step switching High region: Three-step switching. Width 356x height 800x depth of 290mm. The item “Teledyne Acoustic Research AR91 Wood Cabinet Speakers Mint See Photos, Specs” is in sale since Friday, April 21, 2017. This item is in the category “Consumer Electronics\TV, Video & Home Audio\Home Speakers & Subwoofers”. The seller is “soitgoes” and is located in Burlington, North Carolina. This item can be shipped to United States, Canada, Australia, Japan, South Korea, Indonesia, Taiwan, Hong Kong, Singapore, Malaysia, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion.
- Brand: Acoustic Research
- Model: AR 91M
- MPN: S/N 013923
- Form Factor: Floor-Standing
- Configuration: Stereo Pair
- Connectivity: Wired
- Audio Inputs: Banana Jack
- Subwoofer Type: Passive
- RMS Power: 300W
- Sound Quality: High Fidelity (Hi-Fi)
- Shape: Horn
- Speaker Design: 3-way
- Country/Region of Manufacture: United States