[FS] Siemens ECC83 17mm long plate, double support "O" getter 1960s NOS
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Price
169
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Anywhere
Or Best Offer
Yes
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fallow81

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Do sprzedania perfekcyjnie dobrana para lamp uznawanych za Świętego Grala w rodzinie ECC83. Emisja NOS
For sale perfectly matched pair considered Holy Grail among ECC83 family. NOS Emission

Siemens ECC83 17mm Long Plate, Double Support "O Getter" 1960.

The same production codes on both tubes: mc6 =01

Made in 1960

Emission: 109%/106% and 108%/110%

"Considered the HOLY-GRAIL of the Siemens & Halske Munich West Germany tubes. This is the rerest "Long-Plate" 2-getter support audio tubes ever made, with fast response, overwhelming detail, the most realistic bass, and overall perfection in a 12AX7 / ECC83 class of tubes. The most rare of the West German Long Plates!

Rare. Great. Made only from from 1959 to 1960." TubeMuseum.Org

"Another beauty!!! The sound is very similar to Amperex Long Plates from the same time period. The tube that I tried was O getter with dual support from 1960. Beautiful sound, very detailed, extremely transparent, great body and to die for mids. I just wanted to continue listening to it. Very gentle presentations of female voice and great tight bass is not something often encountered in a tube. Much more body than renowned Telefunken, although not as much air. Highly Recommended." TubeMaze.Info

===

New tube at 250Vp (anode/plate voltage) with -2V on grid
1,2mA Ip (100%) and 1,6mA/V Gm (100%)
Working minimum:
0,7mA Ip (58,33%) and 1,2mA/V Gm (75%)

SCORE TESTS:
Tube 1
System 1: Ip = 1.30mA (108.33%) Gm = 2.2mA/V (137.50%)
System 2: Ip = 1.27mA (105.83%) Gm= 2.1mA/V (131.25%)

Tube 2
System 1: Ip = 1.29mA (107.50%) Gm = 2.2mA/V (137.50%)
System 2: Ip = 1.31mA (109.16%) Gm = 2.2mA/V (137.50%)

===

Item located in Poland, EU.

I will ship worldwide via Priority Airmail Registered from Poland (3..8 days on the world depending your location). I can make the service economic with tracking or switch to EMS/Courier if you need.

My old feedback -> https://www.head-fi.org/threads/fallow81.329783/
Current -> https://www.head-fi.org/trader/history?user_id=62862

20180711_105537.jpg 20180711_105617.jpg 20180711_105750.jpg Screenshot_20180711-105719_eBay.jpg
 
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fallow81

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fallow81

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