SCIENCE Sister User Manual Download Page 1 | Manualshive

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Summary of Contents for Sister

Page 1: ...1...

Page 2: ...t tone This control is highly interactive with the Gain Bass and Resonance controls and can produce a huge array of tonal variations and break up characteristics Experimentation is key Normal Gain Adj...

Page 3: ...p to idle in Standby mode for about 30 seconds before powering off While it is perfectly okay to turn the amp off immediately idling in standby before powering off lets the filter capacitors inside th...

Page 4: ...loop The effects loop is located after the preamp section of the amp where most of the overdrive is generated This allows time based effects to be operated cleanly For example plugging a delay into t...

Page 5: ...lug in probe to monitor V1 See Tube Chart on pg 12 output tube bias voltage V2 red probe jack Plug in probe to monitor V2 See Tube Chart on pg 12 output tube bias voltage V3 red probe jack Plug in pro...

Page 6: ...e bias voltage for V1 and V2 while the right control adjusts the bias voltage for V3 and V4 While the output tubes can only be adjusted in pairs a test jack is provided for each individual tube to pro...

Page 7: ...mp is played Sometimes they die gently sometimes abruptly causing a fuse to blow which in turn protects the amplifier from further damage Output tubes may also become microphonic like preamp tubes It...

Page 8: ...hed quad from a reputable dealer However because of the dual bias system it is possible to replace only one pair of output tubes with a matched pair then balancing the bias level with the old pair Tip...

Page 9: ...in place for safety and to protect the most expensive parts of the amplifier Fuses can blow for various reasons however the most common is a output tube failure To check if a fuse is blown push and t...

Page 10: ...d by Science Amplification without charge for parts and labor provided the unit is returned and transportation costs prepaid Science Amplification will pay return shipping costs to the original owner...

Page 11: ...also available please inquire for shop rates Don t hesitate to contact us Care and Maintenance If plexiglass panels need cleaning use only a soft clean and dry 100 cotton cloth to wipe off smudges wit...

Page 12: ...Tube Chart Birds eye view of the Sister s tube layout Only replace tubes with specified types listed below 12...

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