Tube Imp Mini Tube Tester

The Tube Imp measures the steady state current, gain and transconductance characteristics of any B9A double triode tube with the standard ECC83/ECC88 footprint. Operating at 12VDC from the included external power supply, the Tube Imp offers matching and parameter testing of a range of commonly used double triode tubes at a price that is affordable to individual tube equipment enthusiasts as well as retail outlets small OEM concerns. Tubes that can be tested include ECC81/12AT7, ECC82/12AU7, ECC83/12AX7, ECC88/6DJ8WA/6922, ECC189 and ECC803

Specification:

• HT Voltage maximum: 200 Volts
• HT Voltage adjustment: 0-200 Volts
• HT Setting accuracy: Typically better than +/-2%
• HT Current: 10mA max
• HT Impedance on Gain setting: >1Meg Ohm
• Grid Voltage range: 0 to -10 Volts
• Grid Voltage setting accuracy: Typically better than +/-2%
• Heater Voltage: 6.3/12.6volts DC switchable
• Heater Current 350mA, 500mA for less than 5 mins

Measurement Accuracy:

• Cathode Current: +/-2%
• Transconductance: +/-4%
• Gain: (Anode Impedance in K Ohms)+/-5%