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Blue Circle Audio
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LINE STAGE PREAMPLIFIERS
All Blue Circle line stage preamplifiers come with either dual or single hand-assembled Shallco
attenuator volume controls as standard equipment.

Cross-Hybrid Solid State and Tube Preamplifier
This unique preamplifier allows the listener to independently, and in real time, control the amount
of signal through parallel solid state and tube circuit signal paths so that the sound signature can
be tailored  to suit the recording, associated equipment, room acoustics, and even the mood of
the listener.

BC307 Line stage preamp
User controlled 6922-based, 6SN7-based, and solid-state circuitry all in parallel
with L3 power supply (other power supply options pending)  .............................................................11,950.00

Solid State Supercap Preamplifiers
Supercaps in the power supply allow these preamps to run without AC input or batteries
resulting in ultra-quiet operation.

BC109-CP1 Line stage preamp
Dual mono employing Supercap power supply with 6 hours running time  ...............................................7,695.00

BC109 Line stage preamp
Dual mono employing Supercap power supply with 2 hours running time  ...............................................4,725.00

BC107 Line stage preamp
Dual mono employing "NS" series technology................................................................................................4,695.00

NSC Stereo Preamplifier with phono stage......................................................................................15,000.00

NSC Line stage only Preamplifier.......................................................................................................10,000.00
 
BC3 Series Dual Mono Vacuum Tube Preamplifiers
This series of preamplifiers allows the owner to upgrade in stages without having to replace
their preamp.  Over time, one can upgrade any of these preamps, even a BC3 PLS, all the
way to a BC3000MKII GZpz.

BC3000MKII GZpz
Dual mono tube pre-amp with 6922 and full size GZpz power supply  ....................................................10,995.00
 
BC3000MKII dual mono tube pre-amp with 6922  ...................................................................................8,795.00

BC3 dual mono tube pre-amp with 6922
With Despina MKII power supply  .......................................................................................4,945.00
With Galatea MKII power supply  ........................................................................................6,395.00

BC3 PLS dual mono tube pre-amp with 6922  ......................................................................................... 3,625.00

Entry Level Tube Preamplifier

SBT Tube Preamplifier with 6922
Housed in a simple black metal case, this two-chassis entry level
tube preamp offers surprising performance at a very modest price.  ........................................................1,975.00
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Contact:  bcircle@bluecircle.com  /  519-469-3215
   
ALL PRICING IS IN U.S. DOLLARS.