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Bias Testing Devices |
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Bias King™ As tubes age, their bias point will shift. By using the BIAS KING™ you can maintain the sound you want by periodically adjusting the bias on your own amp. This will keep your tubes in top shape throughout their life and will keep your amp sounding its best. Use the chart provided to find out what range of current flow is acceptable for the tube type in your amp. It works on most octal socket tube amps, and requires no power source other than the amp it's plugged in to. It can also be used to match tubes into pairs. Features one tube socket allowing the bias to be checked one tube at a time. |
$139.95 |
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Bias King Pro™ As tubes age, their bias point will shift. By using the BIAS KING™ you can maintain the sound you want by periodically adjusting the bias on your own amp. This will keep your tubes in top shape throughout their life and will keep your amp sounding its best. The Bias King Pro has the same display as the regular Bias King, but with two tube socket plugs. You are able to take bias readings for two tubes by switching between the two inputs - biasing an amp is simpler and quicker than ever. |
$237.95 |
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BiasPlug™ The BiasPlug™ is inserted between an output tube and the amplifier. It monitors the total current flowing through the tube. Current is read on a digital voltmeter (DVM) and may then be easily adjusted to the required settings. Complete with detailed Pilot's Manual which gives complete instructions and tells you everything you need to know about amplifier biasing. |
$59.95 |
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BiasPlugPlus™ With the direct-reading Plate Voltage Option. The BiasPlugPlus™ is inserted between an output tube and the amplifier. It monitors the total current flowing through the tube. Current is read on a digital voltmeter (DVM) and may then be easily adjusted to the required settings. Complete with detailed Pilot's Manual which gives complete instructions and tells you everything you need to know about amplifier biasing. The BiasPlugPlus™ offers the additional feature of direct plate voltage measurement with just a flick of a toggle switch. |
$79.95 |
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DVM-850 Perfect companion meter for the BiasPlug™. Measures AC and DC voltage up to 600V, resistance to 2Meg, DC current to 10A, transistor hfe, diode checker, with backlight and hold function. A great all-around digital meter at a great price! Test leads included for uses other than the BiasPlug. |
$26.95 |
