Sanbros engineering works provides convergence purity magnets that are magnetic beam adjusting devices. The company provides these convergence purity magnets in different sizes suitable for 14", 20", 21", and 29" tubes sizes and 29 mm neck diameter. These convergence purity magnets are useful for applications around the neck of an in-line type color picture tube. The company supplies these convergence purity magnets comprising of three pairs of plastic magnet rings with each pair having 2-pole, 4-pole and 6-pole plastic magnet rings. The convergence purity magnets are available with magnetic field distribution feature offering smooth electron beam adjustment and allowing its centralization and rotation around the color picture tube.
