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B&K 700 tube tester in good condition.
The B&K 700 is the ultimate professional-grade testerfor any user that values his or her time and appreciates convenience. Thistester has been calibrated, serviced and cleaned. This is what was done:Cleaned all switches and tube sockets with Dexoit contact cleaner;Replacedall electrolytic capacitors; Checked all voltages and bridgeresistors; Made all service adjustments according to B&K standards;Adjusted operation of short detection and leakage circuitry, grid emission,signal voltage, DC Bias balance and balance control. Cleaned case and frontpanel. Tester comes with copy of the instruction manual, tube chart and platecap wire.
Updates
This tester has the 12AX7 full meter movement modification.This greatly improve the test on this tube. The case is in good condition.
This tester featuresa clever voltage control circuit that eliminates the need toconstantly set the AC line level to insure accurate tests, regardless of linevoltage variations. Has sockets for most late model hifi tubes, includingcompactrons, novar, duodecal, and Nuvistors. Dyna Jet System, where manypopular tubes can be tested by just setting two dials. Dual section tubes canbe checked with just two push buttons. Sensitive grid leakage and shorts readon the meter and on a neon lamp, indicating grid emissions, internal shorts, orgas. Life-test push button, which will indicate on the meter, gives indicationof relative good use left in a tube.
