TYPE 50064 SPEECH INPUT EQUIPMENT
TYPE 50064 SPEECH INPUT EQUIPMENT Use.-Voice modulating TBL series. Description.-The Navy type 50064 speech input equipment is designed for use in conjunction with Navy models of the TBL series transmitting equipments and associate models RAA RAK, RAB, RAG, RAH, RAL receiving equipments. The speech amplifier is designed to he mounted on a table. All the controls and the chassis are built onto the front panel, which is hinged to the bottom of the cabinet and may be sung out for servicing purposes. Two hand set telephone units are supplied: One set supplied is fastened to the top of the speech amplifier unit, but may be detached if desired and mounted on the table used to support the latter unit . The second telephone assembly may be mounted on any horizontal or vertical surface at a remote location. The chest microphone assembly is of the single-button carbon type and is equipped with a plug-terminated cord designed to be inserted into a jack located in the speech amplifier unit . The receiver input attenuator units, enclosed in aluminum boxes, are designed to permit an operator to adjust the input to his receiver from a nearby transmitter so that the audio levels resulting from the nearby transmitter signal will be the same as those from a more distant transmitter operating at the same frequency. One of these units must be installed or case of each receiver employed in conjunction with a model TBL series transmitter used in radio telephone operation. TECHNICAL FEATURES Design. -Navy.
Tube complement | Number | New type Location | of tubes | No. First stage | 2 | 6D6 Second stage | 2 | 2A3 Limiter rectifier | 1 | 84 Power rectifier | 1 | 5Z3 Total 6 Weights, dimensions, and Navy type numbers of equipment units included in contract Unit Type Nos. | Height | Width| Depth | Weight | Inches | Inches| Inches | Pounds Speech amplifier | CRV-50055 | 16 | 16 | 15 13/32| 77 Handset assemblies (2) | CRV-51008 | 5 | 11 3/4| 3 3/8 | 4 3/4 Chest microphone assem-| | | | | bly | CRV-51011 | | | | 2 Receiver input attenua-| | | | | tors (2) | CRV-29017 | 5 3/4 | 4 1/4 | 4 3/4 | 3 3/4 Spare parts and tubes | | | | | 14Accessories not supplied by contractor: 4- or 6-wire remote control unit. Shipping weights and dimensions | | Gross | Cubic Unit | Size | weight | feet Speech amplifier, handsets and | Inches | Pounds | chest microphone | 22.5 x 20 x 25 | 134 | 6.55 Receiver input attenuators | 18.5 x 10.5 x 11 | 21 | 1.32 Spare parts and tubes | 21 x 15 x 11 | 34 | 2.21 Total | | 189 | 10.08 REFERENCES:The information enclosed here is excerpted from:Catalogue of Naval Electronic Equipment- April 1946 - NavShips 900,116.
|