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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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Description
Vintage DOUBLE C-CORE Siemens Transformer 6.3V, Suitable for EL34 KT88 300B 211One (1 pcs) of RARE Vintage NOS DOUBLE C CORE Transformer Siemens Klangfilm, made in West Germany in late 50s. Two O Cores dimensions: 102x35x16mm Window: 70x20mm Single lamination strip thickness: As shown on the photos Weight: 2850gr 110+110V Multiple windings 5. 6V, 6. 0V, 6. 2V, 6. 4V They were used in professional devices, made by Siemens Klangfilmn in late 50s and early 60s. They need to be rewind to be used in tube amplifiers as OTP!!! Perfect
One (1 pcs) of RARE Vintage NOS DOUBLE C-CORE Transformer Siemens Klangfilm, made in West Germany in late 50s.
Two O Cores dimensions: 102x35x16mm
Window: 70x20mm
Single lamination strip thickness: As shown on the photos
Weight: 2850gr
110+110V / Multiple windings 5.6V, 6.0V, 6.2V, 6.4V
They were used in professional devices, made by Siemens Klangfilmn in late 50s and early 60s.
They need to be rewind to be used in tube amplifiers as OTP!!!
Perfect for DIY tube audio output transformers. (KT66, KT88, KT90, EL34, 6CA7, 6L6GC, 6L6, AD1, 300B, 5881, KT120, KT150, EL519, PL519, 211, VT-4C, 845, 308A, ...)
Dismantled from used professional Siemens Klangfilm modules.
AS is, what you see is what you get. No returns.
Brand: Siemens
Country/Region of Manufacture: West Germany
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4.3 ★★★★★
Based on 1584 reviews
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Product Reviews
★★★★★ 5
Not paper thin like most T-Shirts
Color: Light Khaki, Size: X-Large
These Cooney tshirts are really nice. Feel like 100% cotton and keep their shape and color. Size true to fit. Good value for the money. Love the mock neck style. Bot a couple one in white and one in black. Then went back and ordered 6 more various colors. Like the all.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Coofandy is top tier, excellent fabric quality and fit,
Color: Black, Size: X-Large
I have purchased many Coofandy shirts, all have been of good quality and fit,
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
★★★★★ 4
Mockneck tee-shirt
Color: Black, Size: X-Large
I like the feel and fit of this shirt but the neck folds over in the front.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
★★★★★ 5
Men’s Mock Neck Shirt
Color: Black, Size: Large
Nice quality at a great price. Will buy again.
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Reviewed in the United States on June 4, 2026
★★★★★ 5
98% cotton comfort
Color: Black, Size: Large
It's true to size. I have a 42" chest and typically wear a large. I ordered large and it fits. Grab these while you can as most of these mock neck t shirts are a cotton poly blend. These are 98% cotton. This is important because although the cotton/poly blends dry quicker, they are uncomfortably warm if it gets above 70 F. I have purchased other mock turtlenecks and had my local dry cleaners convert them from long sleeves to short, but they are slightly heavier weight than these. I do wish that they made these in a dark green or military green color.
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Reviewed in the United States on March 26, 2026
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