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BC8 Power Amplifiers

 

Are you experiencing true concert hall dynamics in your listening room? When you listen to intimate music are you feeling the subtle nuances and emotion that the musicians have imparted to the performance? If you answered no to either of these questions then your system is not providing you with all the information that is contained in your source material.

 

 

Recorded music has the potential to move the listener emotionally but most power amplifiers fall short in this respect. They either overpower you with muscle or wimp out when you need them the most. The BC8 simply presents you with what the artists and the recording engineer provided on the source material. If the music is dynamic then you will hear dynamics! If the music is soft and gentle then you will experience all the subtlety and harmonic balance of the performance.

 

 

I'd like to thank you and the folks at Blue Circle for making the best amp I've heard: the BC8. Since the BC8 ousted my last amp -- an excellent pair of (more expensive) 300b monoblocks -- I haven't even been seriously tempted to look into other amps. This is, to me, a major feat given my propensity to "tweak." (Not that I'd turn you down if you offered me an AG8000 in a straight trade, of course.)

Chris / Virginia USA (5/3/2003)

 

..........Very pleasing sound with SET tubes, but once I tried  the BC8s I realized how much low level detail was obscured by tube amplification and how much better the transient performance of the drivers became, really injecting missing life into the music. The treble lost some of the SET magic (on cymbal shimmer, etc) but the tweeters actually sounded overall much better at higher listening volumes. They became "shouty" with SET, I think from higher distortion or soft clipping. Soundstaging (supposedly a strong suit of SET) was actually better with the BC8s as well, and we're talking about an Art Audio Jota (one of the most highly reviewed 300B amps in production).

John B. / UtaH (4/3/2005)

 

 

 

  • 225 watts per channel into 8 ohms, over 1600 watts into 1 ohm
  • High bias Class AB
  • 6 ultra high power output devices each capable of handling over 392 watts into 8 ohms
  • HEXFRED ultra fast soft recovery rectifier diodes
  • Power supply
    - simple(it's Blue Circle) yet effective, yielding clear transparent music
    - 120,000 uF capacitance per channel
    - 2,600 watt power transformer
  • Thermal & DC offset protection
  • Blue Circle soft-start circuit to eliminate "turn on thump"
  • True balanced floating circuit topology
  • DC coupled from input to output
  • All internal wiring in the signal path is Cardas®
  • Heatsink
    - military grade "PIN FIN" custom designed for Blue Circle
    - 60 % more efficient than conventional heatsinks
  • Chassis material: military grade non-magnetic stainless steel
  • Balanced input: XLR (single-ended adapters are supplied)
  • Outputs: 2 pairs of Cardas® binding posts for shotgun bi-wiring
  • Dimensions: 9.5" (241mm) x 9.5" (241mm) x 22" (559mm)
  • Weight: 71 lbs each without packaging

 

Technical Information

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Contact:  bcircle@bluecircle.com  /  519-469-3215