Dating amperex tubes

Data: 1.09.2017 / Rating: 4.8 / Views: 578

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Dating amperex tubes

Aug 17, 2012Philips Audio Tubes (Valvo Amperex Mullard) Logos and Labels Characteristics Understand Codes Common Labels Label Colors ECC81 ECC82 ECC83 E88CC EF86 EL34 Find best value and selection for your Amperex EL34 Bugle Boy Pair 6CA7 Mullard Shield search on eBay. ECC83 12AX7 Double Halo Supports. Make sure you are buying Real Siemens Halske 12AX7 tubes They have shiny triangular or gray coated. RMAEIA Open Date Code Starting in 1946 the American tube manufactures agreed to an open date code printed on their tubes. It was a 3digit numerical code with the. See the differences of EL34 tubes from 1950s (Valvo Amperex Mullard) The EL34 Gallery 6CA7 E34L CV1741 KT77 Feb 14, 2004Dating Mullard Preamp Tubes Sometimes, I'll find GE and Amperex tubes that, after inspection, turn out to be Mullards. : dude Quick Navigation Amplifiers Top. Amperex 6922e88cc Holland for sale. On sale is one matching pair of Amperex 6922e88cc vacuum tubes. They are premium quality tubes with gold pins and pinched waist. TC Tubes specializes in vintage vacuum tubes and valves for audiophile, guitar, radio, and doityourself amplifier applications. Matched Pair Amperex BB 6DJ8 ECC88 Vacuum Tubes V Strong 13, , 000 12, 8001. Tube enthusiast: know your tube codes. Tubes manufactured during the late Philips and other European tube types such as Amperex and Valvo can be found on. 7316ECC AU7 Amperex Holland shortplate I will never ever be able to go back to regular tubes after hearing these. Amperex 6922 Made in USA for sale. Made in USA Amperex 6922 PQ tube. Tests as new on my B and K tester. These now sell for 199 per tube. The Bugle Boy Holland made Philips Amperex 12AX7 is one of the earliest Holland made 12ax7 tubes! They are incredibly lively with a warm punchy sound, excellent bass. Jul 24, 2008What do you know about Valvo ecc83 tubes? MullardValvo ecc83 question (Amperex, Bugle Boy) tubes branded with three or four digit date. Vintage Mullard Amperex EL34 dating. by JeffWest on Sat Jul 07, 2001 5: 46 am This page lists all of the 12AT7 tubes I currently have in stock, dating from the 1960s, 12AT7 Amperex made SELECTED TUBE. Amperex, Mullard, Philips, and Valvo Tube Codes. MostAmperex, Mullard, Philips and Valvo tubes are marked with a group of symbols which contain coded information relating to the type, place of manufacture or country of origin, and the date of manufacture. Amperex (USA) 111 Bendix 125 DuMont 158 Eimac (EitelMcCullough, Inc) 162 Electronic Tube Corp 169 General Electric Co (USA) 188 Hytron (CBSHytron) 210 Deciphering European tube date codes. Posted on February 27, 2014 by tubemaze. A lot of questions have been asked about when a tube is made, Amperex: New York. A collection of Amperex boxes, dates, and tubes. These are all European made tubes (except the Russian fake). In the last years of Amperex the tubes were mostly General Electric. North American

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