DeForest DL5 (Bakelite)DC Audio Amplifier Triode1926
The DL-5 was made with a black bakelite base in 1926 but by 1927 had an Isolantite base.
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The DL-5 was made with a black bakelite base in 1926 but by 1927 had an Isolantite base.
Click the back button on your browser to return to the thumbnails