Black-and-white television receiver `` Rubin-110,111 ''.
Black and white televisionsDomesticSince 1967, the television set for b / w images "Rubin-110" and "Rubin-111" has been produced by the Moscow Television Plant. TV `` Rubin-110 '' according to its technical parameters belongs to the 1st class. The scheme was developed by the SKB of the plant together with the SRI MRP of the USSR, taking into account the latest achievements of TV technology. The TV uses a 65LK1B kinescope with a diagonal screen size of 65 cm and a beam deflection angle of 110 ° and an improved speaker system with two 4GD7 loudspeakers, a number of new radio tubes. Channel switching is touch-sensitive and occurs by pressing a button. In addition to the usual selector, there is a converter that allows you to receive telecentres operating in the UHF. The sensitivity of the model is in the MV range of 20 μV. Selectivity 50 dB. Clarity in the center of 500 lines. The brightness and contrast are increased due to the increase in the accelerating voltage of the kinescope. The TV has a sharpness corrector. Improved sound quality. The band of reproducible sound frequencies has increased to 50 ... 12000 Hz versus 100 ... 10000 Hz in the 2nd class models, the nonlinear distortion factor has been reduced to 4%, and the sound pressure has been increased to 1 n / m. In terms of sound quality, the TVs are not inferior to the best examples of 1st class receivers. Improved APCG. The presence of the appropriate device allows the scanners to automatically enter synchronization, so there are no controls for adjusting the frequency of lines and frames. Improvements have been made to customization and remote control. The choice of the TV center on any of the 12 channels is carried out by pressing one of the five keys on the front panel. The transition to the reception in the UHF is performed by pressing the sixth key. Switching programs is also possible with the remote control, but in a slightly different way: one button on the remote control is used to switch from the MV to the UHF range, and the second to switch programs in the MV. A digital indicator is installed on the front panel of the TV to indicate the channels. In addition to switching programs from the remote control, you can adjust the brightness, volume, turn on and off the TV. Headphones can be connected not only to the TV, but also to the remote control. Several TV design options have been developed; for installation on the floor, table and for embedding in sectional furniture, in this case the TV is divided into two parts, in one there is the speaker and input devices, and in the other everything else. A cheaper version was also produced, the Rubin-111 TV, which is distinguished by the absence of keyboard and remote program switching, and the channel was determined by the position of the PTK handle. TVs were produced until the end of 1970, and a total of 2909 copies were produced. Model designers: J.F. Efrussi, L.E. Kevesh, V.P. Goranskaya, A.F. Krasilnikov.
