Avo-CT160-User-Manual操作说明书手册

Aw CT-160 in useucan's Amp PagesAvo CT-160 in use last updated 26/08/06 21:34:52HomeThis page contains instructions on how to use the Avo CT-160 portable tube tester.It's a rough guide,no more,but will getyou up an running.It will also show you how to test the tubes with no manual.UpWARNINGWarning-the CT-160 generates high voltages which are present within the test area and accessible to the operator.Do not insert or remove tubes with the power switched on.In addition,the mains voltage selector presents mains voltage to the operator if the flap is lifted-there are no safetyinterlocks.Again,do not adjust the mains voltage taps with the unit switched on.An ExampleFor this example,we will test a 6BQ5/EL84 tube using nothing other than information available in a standard tubemanual.In the USA,Essential Characteristics [General Electric]is an excellent book.For UK/European tubes,RadioValve and Transistor Data [Ball,A.M.]will provide you with plenty of information.If you don't have any tube manuals,you can visit the Tube Data Sheet Locator online which providessufficient information to test many vacuum tubes.For our example,we will do just that.On the right is the pinout diagram for the 6BQ5.From the TDSL we can obtain some characteristic data on this tube.First the ratings and filamentvoltages:5VhIhVa max Vg2 max Vh-k max Pa max Pg2 maxIk maxAVVVWwmANotes6.30.7630030010012265Max Pg2 4W for music/speech shorttermThe useful information here,is that Vh (heater or filament voltage is 6.3).Now we need to gather some static testdata:VaVg2Vg1IaIg2RasRkZoutPoutTHDModemAmAOhmsma/VOhmsOhmsW%AS/E250250-7.3485.538,000111355,2005.710(1国4280W10王437