12AX7 Test Modification For B&K 707

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12AX7 Test Modification For B&K 707

Postby David B » Sat Jul 27, 2013 1:27 pm

Got a B&K 707 or 700 tube tester? might find this interesting.

http://www.antiqueradios.com/forums/vie ... 8&t=189835
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Re: 12AX7 Test Modification For B&K 707

Postby neikeel » Sat Jul 27, 2013 5:25 pm

Interesting.

Still hoping to snag a Mullard High Speed (with cards!) or an Avo 160 but both are getting expensive unless they need fixing up and calibrating :(
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Re: 12AX7 Test Modification For B&K 707

Postby David B » Sun Jul 28, 2013 9:52 am

The B&K is just service grade but good for weeding out the bad ones fast ..

I'm familiar with the AVO but not the Mullard, looks like a nice machine :D Appears similar to the Hickok Cardomatic.

http://www.thevalvepage.com/testeq/mull ... /vtest.htm
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