Tube tester: Accurate Instruments Model 157

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Hi,

Anyone know anything about this tester? Is it good enough for audio use? I found one in my loft - I bought it at a swap meet maybe 30 years ago, and it still seems to work, but it only gives a "quality" figure of 0-100. It needs a 110V step-down trafo, but seems fine with that...

Any use? Or go for something more substantial?

Nick
 
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