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Full Music Audio Vacuum Tube KT88/c Matched Quad Carbon
FULL MUSIC KT88 Audiophile Tubes. De Luxe Edition GOLD PIN with BRASS BASE. Similar to 6550 Unuusual in Black Carbon Plate with Twin Ring Getter which recreate the balanced tone, deep, tight bass, sweet mids and well-defined highs. Sounds very close and similar to the vintage Gold Lion KT88. Brand New Production in 2010. All 4 pcs tubes are packed in a De Luxe strong matched quad gift box and with test data sheet.
Classification- It is a beam pentode. Dome-type bulb of glass, copper ceramic base with eight golden pins, oxide coated cathode of indirect heated, Carbon Plate.Application -Audio amplifier of power.Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in Figures 1, and 2. |
Nominal operating conditions and parametersHeater voltage ……………………………………………………………… 6.3VHeater current ……………………………………………………………… 1.6APlate voltage ………………………………………………………………… 250VGrid 2 voltage …………………………………………………………… … 250VGrid 1 voltage ………………………………………………………………… -15VPlater resistance ………………………………………………………… 12kohmsPlate current ………………………………………………………………… 140mAGrid 2 current (max) …………………………………………………………… 7mAAmplification factor …………………………………………………………… 8Mutual Conductance …………………………………………………… 11.5mA/VCharacteristics-Average characteristicsFigure 3. shown typical curves of plate currents of grid voltage for several values of plate voltages. It is alternating-current filament supply.
Limiting Operation Conditions for Safe Nor simultaneous ratingsMaximum plate voltage ………………………………………………… 600VMaximum Grid 2 Voltage ……………………………………………… 500VMaximum Grid 1 voltage ………………………………………………… -200VMaximum Power of plate ………………………………………………… 42WMaximum Power of Grid 2 …………………………………………… 8WMaximum Power of plate and Grid 2 ………………………………… 46WMaximun plate Current ………………………………………………… 230mA
Full Music Audio Vacuum Tube KT88/c Matched Quad Carbon