The heart of the $3995 USD BC28 power amplifier reviewed here was born out of the hybrid tube/solid-state circuit Yeung developed for the wallet-busting four-chassis class-A single-ended AG8000 monoblock power amplifiers, which cost $14,500 per pair. The BC28 shares its more expensive sibling’s basic topology, which is centered around a single 6922 per channel "running in single-ended high-bias class A mode" coupled to a solid-state, class-AB output stage, but it packs all of the necessary bits and pieces into a single stereo chassis and offers 120Wpc into 8 ohms. While more labor intensive and hence costly to employ, point-to-point wiring is used judiciously throughout the BC28 because designer Yeung believes his amplifier simply sounds better that way. While Blue Circle doesn’t say much about the parts employed in the BC28, a casual look inside reveals several custom-made components and good layout and construction. The BC28 appears fairly easy to service, should the need ever arrive. Those requiring less output power than the BC28 offers (or who don’t have the space to accommodate a beefy 17"W x 8 1/4"H x 20"D, 65-pound amp) can opt for the smaller BC24, which offers the same hybrid circuit as the BC28, but trims the output to 80Wpc and the chassis height roughly in half. The BC28 is a utilitarian-looking box that shares its bland cosmetics with the rest of Blue Circle’s current product line. (It seems that the appearance of Blue Circle’s products have taken a turn for the worse. The long-discontinued hybrid BC6 and BC2 monoblocks had a "coolness factor" missing from the BC28.) The center of the thin stainless-steel faceplate contains the company’s signature illuminated circular logo, beneath which is a toggle switch that can be used to turn the logo’s backlight on and off. The faceplate is held in place by four large hex-head screws that are visible from the front. Around back are two more toggle switches -- one is for power, the other a ground lift that can be used to help eliminate grounding problems, should they occur in a customer’s installation. None of the BC28’s toggle switches are labeled, however, so I had to refer to the owner’s manual to determine each switch’s function. The back panel also contains an IEC power-cord receptacle, a fuse and two pairs of five-way speaker binding posts to enable biwiring (I single-wire my loudspeakers, so I used only one pair). The rest of the chassis is black powder-coated steel containing slots for ventilation. The amplifier’s cooling ability seemed more than adequate, as the BC28 never ran particularly hot. .