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Sans Pareil Mark II

Sans Pareil Mark II

BrandFourier Components
ManufacturerFourier Components, Inc.
DesignerTom Gambill, John Atwood
FunctionAmplifier, Power
Produced199?
CountryUnited States
Model IDSans Pareil MkII
Form FactorStandard Width
Signal PathAnalog Hardware
Dimensions45.7 × 19.1 × 62.2 cm (W × H × D)
Weight70lbs
Power115VAC/230VAC, 50/60Hz 518W
Frequency Response5Hz-100kHz
Output Power (8/4Ω)190W/120W
Amplifier TypeOTL (Output Transformerless)
Output TubePL509 (x10)
Input Sensitivity1V
Input Impedance275kΩ
SNR>85dB
Tube ComplementPL509 (x12), 6EJ7 (x3), 5651 (x2), 6922 (x2)
Channels1 Channel
NotesTwo additional output tubes over MkI and 6HS5 and 6MU8 tubes eliminated from design. Power-on surge suppressor added as well as improved biasing.