EI Telefunken 12ax7 tubes, NOS Yugoslavia prewar, smooth gray plates, 4 tubes total, Amplitrex tested
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Ships from | St. Paul, MN, 55122 |
Ships to | United States |
Package dimensions | ?" × ?" × ?" (1.0 lbs.) |
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I have for sale a quad (4) of the EI prewar 12ax7/Ecc-83 smooth plate tubes....tested on an Amplitrex AT-1000 reference tube tester. If my ad is still posted the tubes are available. These are early 1980's vintage NOS (new old stock tubes) that are part of a 100 tray factory lot. Because the tubes are part of a factory tray they were more than likely all manufactured on the same day. In case you are not aware of the story of these tubes... EI purchased all the factory tooling from Telefunken and basically made an exact copy of the famous Telefunken smooth plate 12ax7 using original Telefunken machinery. These are the highly desirable smooth gray plate 12ax7 tubes with the halo getter just like the famous Telefunken 12ax7 they are modeled after. Elektronska Industrija or better known as EI of Yugoslavia started tube production in 1951 and was a major supplier of OEM and there own tubes for many decades.
These pre-war (Yugoslavia war) EI tubes are known for their excellent sound and reliability at a much lower cost than buying a Telefunken tube. Also, as is well documented on the internet, the prewar EI tubes are of much higher quality than the tubes produced during and after the war where parts quality suffered greatly. The war in question was the Yugoslavian war. No International sales. Continential usa sales only
The tubes have always been stored in a smoke free, temperature controlled environment. The lettering on the tubes say ECC-83 in large traditional EI lettering and they have the EI factory markings and pinched glass design. The lettering is mostly complete to partially complete on the tubes, but very fragile and faint due to age. The tubes pictured are from the 100 tray lot and are an example of the lettering. The tubes will come in generic white tube boxes. You get four tubes for my listed price.
All the tubes are tested on a state of the art, Amplitrex AT-1000 tube tester and test as new and passed all tests for shorts and leakage. The tubes all test excellent for NOS tubes and the tube were also listened to for noise and no abnormal noise or microphonic was detected.
Here's the test results for the tubes per section. 105E/118GM 118E106 GM; 105E/112G 113E/106GM; 115E/112GM 103E/113GM; 110E/112GM 105E/108GM. I've had a quad in my ARC SP-6 preamp for awhile and I'm very impressed with their excellent sound and low noise. Like most NOS European tubes such as Mullard and Telefunken the tubes flash when energized and this is normal for this tube type, due to the special filament design.
Check around the web and typically you will see these NOS prewar tubes offered at $30-$50 or higher per tube not matched. I am fortunate enough to have access to one of the last large supplies of these NOS tubes and I will offer them at reasonable prices.
Shipping will be $6 shipping via USPS or $9 if you want them shipped in a larger box via fed-ex ground. I carefully box, all my tube shipments. NO INTERNATIONAL SHIPPING. Continental USA sales only
For payment, I accept PayPal. I will absorb the PayPal fees. Audiogon members with less than 3 feedback items please email me before buying the item to verify payment method.
If you have any questions about these (4) EI prewar 12ax7 tubes please email me thanks.
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Item can be returned within 7 days of receipt.
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Items must be returned in their original condition, with all included packing materials and no signs of use. Buyer assumes responsibility for all shipping return costs unless the item was not received as described.
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7 day return for defective tubes.