The new BC22 refinements include:
* rear panel ground lift switch
* improvements to
the internal wiring
* redesigned power supply
* stainless steel chassis
In answer to the three most obvious questions:
1/ Yes. The BC22 MKII replaces the BC22 in the product lineup.
2/ Yes. Existing BC22s can be upgraded* (except for the stainless chassis part.)
3/ No. The MKII will not cost more than the original BC22. We made it better...not
The BC22 and the BC26 are pure solid-state DC coupled true balanced design. They produce a very conservative 125 watts and
200 watts per channel into 8 ohms, respectively. Even though this is a departure from Blue Circle traditions, some things have not
- These Amplifiers are totally handcrafted with all the attention to detail.
- The simplicity of design that Blue Circle is known for has been maintained. As a
result of intensive engineering, we were able to limit the number of components in
the signal path.
- The power supply can best be described as serious overkill. It is built around a
custom designed and manufactured toroid power transformer. Filtering is nothing short
of massive. As usual this is accomplished by employing multiple networks of small
value capacitors. This technique reduces dc resistance, lowers inductance, and therefore
improves transient response.
- Connecting hardware and signal path wiring is by Cardas®.
BC22 & BC26 Solid State Power Amplifiers
The new BC26 improvements include:
*MKII power supply capacitance has increased by about 20%. Part of this 20% increase is provided by ultra high speed ploypropylene caps. Based on research with the Club Buritto power amp these high speed ploypropylene caps in the power supply reduce the demand on the power transformer. At the same time, the response time of the core has to be faster. Therefore, we have replaced the original transformer with a smaller but much faster type of transformer in the MKII verison.
*all new internal wiring, inputs and outputs wiring.
*ground lift switch