Uher 4000 "Report IC" portable audio tape recorder, c. 1967-1968. Portable tape recorder used extensively by BBC radio reporters. The Uher 4000 Report IC had early Motorola-made integrated circuits for the playback and speaker amplifiers. Although the tape drive was an improvement over the earlier Uher 4000 models, the microchips were not as reliable, and had a harsher sound quality then the earlier Uher 4000 Report L and Uher 4000 Report S. Battery: 5 x 1.5 V. Four tape speeds: 15/16, 1 7/8, 3 3/4, 7 1/2 inches per second (ips). Tracks: 2, Maximum reel size: 5''.