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BROWN SP-2B Owner's Manual
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BROWN SP-2B Owner's Manual

Stereo preamplifier
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SP-2B Stereo Preamplifier
Owner's Manual


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Summary of Contents for BROWN SP-2B

  • Page 1 SP-2B Stereo Preamplifier Owner’s Manual 
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  • Page 2 The line stage itself features a dual triode 6SN7 valve which is known for it’s linearity and tonal qualities. The power supplies of the SP-2B are the heart of the preamp itself, a heavily filtered, and well regulated power supply, able to deliver ample current to the critical stages of this unit.
  • Page 3 Unpacking Procedure: 1.Remove Top Cover 2.Remove packaging from around tubes make sure tubes are properly seated during installation, they should have a faint glow during power on. 3. Remove protective cushioning from around signal tubes. Power Up Procedure: 1. Connect all components to appropriate inputs. 2.
  • Page 4 Setting up MC head amp Only required set up on the MC board are The load settings for your particular cartridge, the Moving Coil head-amp is only required for low output moving coil cartridges >2.5mV, make sure that both switches at the back of the unit, the input switch and board switch are in the MC position Pictured above are the red colored load switches...

  • Page 5: Adjusting Gain

    Adjusting Gain The line stage incorporates gain adjustments pots, that can be adjusted to suit proper output level for both channels. Pictured below is the line stage with the location of the trim pots, a small insulated screwdriver can be used to make necessary adjustments.