1 X 6211 TUBE. NEW OLD STOCK. BRAND: MINIWATT. 1960s PHILIPS PRODUCTION. ◿1B3 DATE CODES. 17MM GRAY PLATES, HALO GETTER, SQ: SPECIAL QUALITY. TESTED IN ROEHRENTEST TUBE TESTER: 107/104% 4.902/4.767mA EMISSION (EM) 3.74/3.6mA/V TRANSCONDUCTANCE (GM) CH167U1
The product is a vintage Miniwatt tube, specifically an ECH80/6AN7/6AN7A model, designed by Philips. It is a NOS (new old stock) item with a manufacturer's warranty of 3 months. This tube is highly sought after by collectors and enthusiasts in the vintage audio and video industry, known for its quality and compatibility with various audio equipment.
I have for sale a parcel of 4 x 6AK8 EABC 80 tubes. These are all premium Miniwatt Holland tubes. Absolute premium version - testing near new. For this reason I no longer list the emission readings of tubes as they would not be precise.