Bg radia z7 for sale drivers#
Bg radia z7 for sale driver#
Bg radia z7 for sale series#

More than an aesthetic conceit, this cylinder houses both drivers, which are situated so that their cones face opposite directions while being wired in phase. The 210i breaks the rectangular standard pervasive in most subwoofer designs: Along one plane, you'll see approximately one-fourth of a rigid cylinder breaking out of the side.

Bg radia z7 for sale drivers#

At 14.5 inches high by 13.5 wide by 17.5 deep, the Radia 210i subwoofer is a relatively compact enclosure that manages to house a pair of 10-inch Kevlar drivers and a 500-watt BASH amplifier. The 220i is said to drop down to 50 Hz, a point roughly 10 Hz above the pressure level generated by the lowest open string on an upright bass, which goes a long way toward explaining why B-G released their own complementary subwoofer earlier in 2004. In fact, the use of the tweeter ribbon may allow the frequency response to soar into a claimed 25-kHz region, beyond the range of audibility but de rigueur in today's multipurpose (SACD, DVD-Audio, and DVD) environments. According to our previous review, the original center channel carried a soft dome tweeter in an effort to 'provide broader horizontal dispersion for the high frequencies.' On a subjective level, it appears that the 'i' modifications have eliminated the need. Starting from the outside edge, you'll find first the woofer, then the midrange ribbon, then the tweeter ribbon. The MDF cabinet encases two 6.5-inch woofers, two 8-inch planar midrange drivers, and one 3-inch planar ribbon tweeter. This massive beast significantly outspans the width of a conventional 32-inch CRT and would best be situated atop a speaker stand positioned just below the viewing area. If you think the 520i and 420i need room to breathe, you'd be right, but wait until you consider the center channel, the 220i. The crossover design in both the 520i and 420i speakers divides frequencies at 350 Hz, allowing every frequency above the midbass to be handled by the planar drivers. It claims an identical effective frequency range. The 420i, used here for surround duties, is essentially a 10-inch-shorter version of the 520i. Jutting from this base is a flat-black anodized-aluminum tower containing the planar driver. The loudspeaker base is constructed of an MDF enclosure that houses the two long-throw cone drivers and the crossover components. This configuration allows for a claimed effective frequency range of 70 hertz to 20 kilohertz (–6 decibels, half space). The 520i, used as front left and right speakers, features a 50-inch-tall, planar magnetic line-source and two 6.5-inch cone drivers located in the base. Voilà! Sound.įor this review, I partnered the Radia system with a Samsung LCD monitor, an Onkyo DV-SP800 universal disc player, a Parasound Halo C 2 processor, Sunfire Cinema Seven Signature Edition and Simaudio Moon Aurora seven-channel amplifiers, and Kimber 8TC speaker wire. When the conductors are energized by an amplifier's signal, the membrane responds by moving in a push-pull fashion as the signal varies. The membrane is bonded with conductive traces and then suspended in a magnetic field.

Bg radia z7 for sale driver#

What distinguishes the planar ribbon driver from more-traditional speaker technologies is simply this: Most of the frequency range is generated not by a cone driver but by a flexible membrane. According to B-G, improvements include 'new advanced Linkwitz-Reilly crossovers for improved balance and reduced phase distortion and updated planar ribbon drive units for higher efficiency, lower distortion, and extended frequency response.' The individual speaker nomenclature has not changed from the earlier model, except for the addition of the letter 'i' (for 'improved') to each speaker designation. You may not be too familiar with the Bohlender-Graebener name but, when it comes to hybrid planar magnetic driver technology, the name isn't uttered without a good deal of respect.Ī couple of years after B-G was launched, HT reviewed an early iteration of the present review system.

Bg radia z7 for sale series#

The Radia Series speaker system is the latest development from what can be considered a seriously thick branch in the speaker-manufacturing tree.