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Testing Equipment Automatic Audio Tube Tester Model no: ATT-4.0 Perform automatic Gain / Gm / Noise / Waveform / Rectifier / Lifespan testing and easy tube matching for Gain / Gm Expected retailer / reseller price : C$7,200 Our direct out-of-the-factory price only C$3,680
This cutting-edge automatic digital audio tube tester offers a diverse array of robust testing features housed in a compact unit. It includes gentle-touch buttons, automatic self-calibration, waveform testing, consistently stable digital readouts, and accurate tube matching capabilities represented in percentage values. Its user-friendly design streamlines tube testing, catering to users of varying expertise levels. 1. Gain test (0 - 120) 2. Gm (transconductance) test 0 - 100mS ( 100000 uS) 3. Noise test (0 - 10V on display), also eqipped with RCA output for external monitor / testing ( noise level > 10mVrms can be detected on display) 4. This tester can test almost all common audio triode, pentode, DHT and rectifier tubes, with special adapter it can test even very odd tubes, check our user manual for details 5. Automatic A. I. self calibration features. This unit will performce self calibrate when power on. You can also perform self-calibration afterwards after warm up for more accurate testing result. 6. Gassy / Grid leak tube indicator ( arcing or short circuit conditions happen <200Vdc from plate to grid can be detected) 7. A/B selector , set to A for single pentode, set to A or B for dual triode testing 8. Fully automatic biasing for gain testing. Just select corresponding tube models or manual bias for GM testing. 9. Regulated 200V / 250V power supply with 150mA current limit and short circuit protection, can test short circuit tubes without the fear of damaging the tester if remove it in a short while before over heat the circuit. 10. High stability and reliability, high precision and repeatability with a full color TFT LCD readouts. 11. Self-explanation panel, anyone with just little bit of knowledge on tubes can perform the testing, no more steep learning curve. Easy and well guided user manual included. No calibration is required and trouble free. 12. Tube matching in Gm and Gain, just press memo to record the first tube under test, then put in the next tube for comparison. The display will show the difference in % (anode current + gain / GM) between the reference tube and the tubes under test. 13. Real-time waveform display to check any abnormals in the tube under test, which might be slip through all those old school or out-dated design tube testers. 14. 200V / 250V high voltage test selection. 15. 2.5V ~ 12V filament voltage, max. filament curren for tubes under test is 5A 16. one year free parts and labor warranty and full technical support Available in either white or black top panel color of your choice.
Test for 845 , 211, 805, 805A ... etc , this expansion testing module is available now for $480 !! (regular version)
Can be used in the 6L6 position, to be able to test different types of tubes (E282F, 6AH6, 6AK6, 7233, D3A, E810F, CK6485 and all their compatibles) + $150
Universal tube adapter, which can let you self-configure 6 pins (G, K, P1, P2, F+, F-) , in order to test whatever tubes which can fit into one of the 3 different sockets. +$200 Note: Regular version is for audiphile / retailer / showroom / DIYer use only, not intented for super heavy duty industrial usage , which typically will perform over testing of 1000 tubes per day Optional : Heavy duty industrial version include enhanced heavy duty components upgrade and one set of socket savers , ( two 8 pin octal and two 9 pin small socket saver ). For industrial usage, testing should be perform with the socket saver, and just change them when it become defective, this can prevent the possible wearout of the original sockets ( + $300 )
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