8-Pin Dual Bias Current Probes Tester Meter for EL34 KT88 6L6 6V6 6550 Vacuum Tube Amp Amplifier (2*Meter + 2*CT1-C, Cathode Current PRO Version)

Product description Douk Audio CT1-BOX Douk Audio's CT1-BOX is designed for tube amplifier enthusiasts. It offers dual bias current measurements for a range of power tubes like EL34, KT88, and 6L6. With ceramic sockets, gold-plated pins, and a 100mA current meter, it ensures durability and precise readings. Its sturdy metal case provides excellent shielding for accurate bias adjustments. How to use it?
Turn Off Amplifier: Safely power down your amp.
Connect Probes: Link the testers to CT1-BOX's A and B interfaces.
Insert Tubes: Remove and place power tubes into the probe sockets.
Probe Amp Sockets: Position the bias probes into your amp's tube sockets.
Warm Up Tubes: Power on and wait 5 minutes for tubes to heat.
Take Readings: Check the left and right current meters for "A" and "B" inputs.
Balance Check: Ensure readings are the same or within a 2-3mA difference for balance. Versatile Compatibility Designed for a wide range of power tubes including EL34, KT88, 6L6, and more, ensuring precise bias current measurement. Optimized Performance Copper wiring for superior conductivity and a metal case for enhanced shielding, ensuring reliable and interference-free measurements. High-Precision Readings Dual current meter reader with a 100mA range allows for accurate bias adjustments and easy readings. Durable Construction Features ceramic sockets with thick gold-plated pins for long-lasting use and reliable connections.
Parameters Model: CT1-BOX
DC Plug: 5.5 / 2.2 mm Length of tube