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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. 

Turning clockwise will increase the gain, turning counter-clockwise will 

decrease the gain. 

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Summary of Contents for SP-2B

Page 1: ...SP 2B Stereo Preamplifier Owner s Manual 1 ...

Page 2: ...ual 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 Specifications Inputs MM Phono CD TV Tuner Media Aux unbalanced RCA Outputs Two RCA unbalanced Frequency Response Line Stage 5 100 000Hz 0 2...

Page 3: ...e position 4 power up sources first then preamp and lastly the power amplifiers 5 There should be a delay of about 30 seconds before outputs are engaged the mute LED will flash for 30 seconds you will hear a slight clicking noise and the LED will remain on 6 when powering down engage the mute switch back to the mute position Switch power amplifiers down first Then the preamp and lastly the sources...

Page 4: ...t the back of the unit the input switch and board switch are in the MC position Pictured above are the red colored load switches Found inside on the MC board 4 different load settings are included from top to bottom are 1000 100 50 and 20 ohms if you need a custom load simply call or email with request Pushing the switch to the right will engage the load for that switch ALWAYS power down preamplif...

Page 5: ...sted 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 Turning clockwise will increase the gain turning counter clockwise will decrease the gain 5 ...

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