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DD155144 is a list of BBC Radiophonic Workshop facilities in Workshop 2 in 1963.
- 3 - WORKSHOP 2 ---------- I b) 12 sine/square wave generators (Jason) associated with keying unit and adjustable decay unit (workshop construction) High stability decade sine wave generator (Muirhead-Wigan) Sine wave generator with frequency modulation (Brüel and Kjaer) Square wave shaper (Muirhead) Zither and guitar with electromagnetic pick-ups II a) Reverberation plate (EMT) with remote control 4 high/low pass filters with 9 cut-off frequencies (BBC) Variable frequency response control unit (BBC) III a) Tape recorder, 7½ and 15 i.p.s. (EMI, BTR 2) 3 tape recorders, 7½ and 15 i.p.s. (Philips, EL3503) Tape recorder, 7½ and 15 i.p.s. (Ferrograph) Disk playing equipment (BBC) b) 8-track tape recorder with continuously variable speed from 0 to 40 i.p.s.; uses 1" tape (Leevers Rich) Specially designed mixing controls with 20 channels each with a pre-set attenuator. 8 channels are normally associated with 8-track tape recorder. The remaining 12 are low level input channels, with switching facilities making available three types of artificial reverberation. Each channel may be independent, or switched to either of two group faders associated with different filters. Remote control of four tape recorders and acoustic fold-back facilities are included. IV Oscilloscope (Cossor, double beam) Peak programme meters (BBC) V Loudspeakers (BBC)