It was a classic American tale: hearing that the head honcho of RadioShack was in town, the principals of Oregon-based high-end loudspeaker manufacturer Linaeum found out where he was staying and called him to see if RadioShack would be interested in marketing their speakers. They were rewarded for their daring by being given an introduction to the right RadioShack department head, and before you could say time-coherent, a deal was struck for RadioShack to manufacture a new line of three "audiophile" loudspeakers featuring a version of the unique Linaeum tweeter. The less-expensive Optimus Pro X77 and LX4 models use a baffle-mounted tweeter that radiates just to the front; the top-of-the-line Optimus Pro LX5 reviewed here mounts a bi-directional tweeter on the top of a diecast aluminum enclosure.

It was a classic American tale: hearing that the head honcho of RadioShack was in town, the principals of Oregon-based high-end loudspeaker manufacturer Linaeum found out where he was staying and called him to see if RadioShack would be interested in marketing their speakers. They were rewarded for their daring by being given an introduction to the right RadioShack department head, and before you could say time-coherent, a deal was struck for RadioShack to manufacture a new line of three "audiophile" loudspeakers featuring a version of the unique Linaeum tweeter. The less-expensive Optimus Pro X77 and LX4 models use a baffle-mounted tweeter that radiates just to the front; the top-of-the-line Optimus Pro LX5 reviewed here mounts a bi-directional tweeter on the top of a diecast aluminum enclosure.

It was a classic American tale: hearing that the head honcho of RadioShack was in town, the principals of Oregon-based high-end loudspeaker manufacturer Linaeum found out where he was staying and called him to see if RadioShack would be interested in marketing their speakers. They were rewarded for their daring by being given an introduction to the right RadioShack department head, and before you could say time-coherent, a deal was struck for RadioShack to manufacture a new line of three "audiophile" loudspeakers featuring a version of the unique Linaeum tweeter. The less-expensive Optimus Pro X77 and LX4 models use a baffle-mounted tweeter that radiates just to the front; the top-of-the-line Optimus Pro LX5 reviewed here mounts a bi-directional tweeter on the top of a diecast aluminum enclosure.

It was a classic American tale: hearing that the head honcho of RadioShack was in town, the principals of Oregon-based high-end loudspeaker manufacturer Linaeum found out where he was staying and called him to see if RadioShack would be interested in marketing their speakers. They were rewarded for their daring by being given an introduction to the right RadioShack department head, and before you could say time-coherent, a deal was struck for RadioShack to manufacture a new line of three "audiophile" loudspeakers featuring a version of the unique Linaeum tweeter. The less-expensive Optimus Pro X77 and LX4 models use a baffle-mounted tweeter that radiates just to the front; the top-of-the-line Optimus Pro LX5 reviewed here mounts a bi-directional tweeter on the top of a diecast aluminum enclosure.

Back in the early 1970s, the BBC needed a physically unobtrusive, nearfield monitor loudspeaker for use in outside-broadcast trucks. Accordingly, they instructed their design department, which at that time featured such luminaries as Dudley Harwood (the "father" of the polypropylene cone, who went on to found Harbeth) and the late Spencer Hughes (the "father" of the Bextrene cone, who went on to found Spendor), to produce such a model. Thus, not only was what was then probably the finest collection of British speaker-design talent involved in its development, there were no commercial constraints placed on the design. The only limitations were intended to be those arising from the necessarily small enclosure and the absence of the need for a wide dynamic range under close monitoring conditions.

Back in the early 1970s, the BBC needed a physically unobtrusive, nearfield monitor loudspeaker for use in outside-broadcast trucks. Accordingly, they instructed their design department, which at that time featured such luminaries as Dudley Harwood (the "father" of the polypropylene cone, who went on to found Harbeth) and the late Spencer Hughes (the "father" of the Bextrene cone, who went on to found Spendor), to produce such a model. Thus, not only was what was then probably the finest collection of British speaker-design talent involved in its development, there were no commercial constraints placed on the design. The only limitations were intended to be those arising from the necessarily small enclosure and the absence of the need for a wide dynamic range under close monitoring conditions.

Back in the early 1970s, the BBC needed a physically unobtrusive, nearfield monitor loudspeaker for use in outside-broadcast trucks. Accordingly, they instructed their design department, which at that time featured such luminaries as Dudley Harwood (the "father" of the polypropylene cone, who went on to found Harbeth) and the late Spencer Hughes (the "father" of the Bextrene cone, who went on to found Spendor), to produce such a model. Thus, not only was what was then probably the finest collection of British speaker-design talent involved in its development, there were no commercial constraints placed on the design. The only limitations were intended to be those arising from the necessarily small enclosure and the absence of the need for a wide dynamic range under close monitoring conditions.

Back in the early 1970s, the BBC needed a physically unobtrusive, nearfield monitor loudspeaker for use in outside-broadcast trucks. Accordingly, they instructed their design department, which at that time featured such luminaries as Dudley Harwood (the "father" of the polypropylene cone, who went on to found Harbeth) and the late Spencer Hughes (the "father" of the Bextrene cone, who went on to found Spendor), to produce such a model. Thus, not only was what was then probably the finest collection of British speaker-design talent involved in its development, there were no commercial constraints placed on the design. The only limitations were intended to be those arising from the necessarily small enclosure and the absence of the need for a wide dynamic range under close monitoring conditions.

Back in the early 1970s, the BBC needed a physically unobtrusive, nearfield monitor loudspeaker for use in outside-broadcast trucks. Accordingly, they instructed their design department, which at that time featured such luminaries as Dudley Harwood (the "father" of the polypropylene cone, who went on to found Harbeth) and the late Spencer Hughes (the "father" of the Bextrene cone, who went on to found Spendor), to produce such a model. Thus, not only was what was then probably the finest collection of British speaker-design talent involved in its development, there were no commercial constraints placed on the design. The only limitations were intended to be those arising from the necessarily small enclosure and the absence of the need for a wide dynamic range under close monitoring conditions.

Back in the early 1970s, the BBC needed a physically unobtrusive, nearfield monitor loudspeaker for use in outside-broadcast trucks. Accordingly, they instructed their design department, which at that time featured such luminaries as Dudley Harwood (the "father" of the polypropylene cone, who went on to found Harbeth) and the late Spencer Hughes (the "father" of the Bextrene cone, who went on to found Spendor), to produce such a model. Thus, not only was what was then probably the finest collection of British speaker-design talent involved in its development, there were no commercial constraints placed on the design. The only limitations were intended to be those arising from the necessarily small enclosure and the absence of the need for a wide dynamic range under close monitoring conditions.