A pair of large Black plate 12AU7/ECC81 preamp tubes. One is marked Westing House. The tubes have identical internal construction. They look like my large Black plate RCA tubes. Both test strong and balanced on a B&K 707 Mutual Conductance Tube Tester @ 100/100 & 100/105. The black marks on top of the tube is flashing and is normal. Payment via US Postal Money Order. I am not set up for PayPal. Shipping to be paid by buyer ($7.00) CONUS. The tubes will be properly packaged against breakage. $20 the pair. Analogfunn@yahoo.com I have two lists, 11 pages total, of Jazz and Soul/R&B records for sale on this site. Take a look.....
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