Universal Audio 1122 Operating Instructions Manual Download Page 3 | Manualshive

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Summary of Contents for 1122

Page 1: ...weredRadio Com I I model 1122 STEREO TRANSCRIPTION PREAMPLIFIER products of UNITED RECORDING ELECTRONICS INDUSTRIES 8460 SAN FERNANDO RD SUN VALLEY CALIFORNIA 91352 TELEX 65 1389 UREI SNVY 213 767 1000 ill company ...

Page 2: ...ING WITH COMPLETE UNPACKING AND SETUP CONSULT UNPACKING AND INSPECTION INSTRUCTIONS ON PAGE 4 model 1122 STEREO TRANSCRIPTION PREAMPLIFIER United Recording Electronics Industries 8460 SAN FERNANDO ROAD SUN VALLEY CALIF ORNiA 91352 213 767 1000 Printed in U S A Copyright 1978 UREI ...

Page 3: ...INSPECTION AND INSTALLATION 2 1 UNPACKING AND INSPECTION 2 2 ENVIRONMENTAL CONSIDERATIONS 2 3 POWERING 2 4 EXTERNAL CONNECTIONS SECTION III OPERATING INSTRUCTIONS 3 1 GENERAL 3 2 FREQUENCY RESPONSE CHARACTERISTICS SECTION IV MAINTENANCE 4 1 GENERAL 4 2 REPAIRS AND WARRANTY SECTION V APPENDIX FIGURE 5 PLOTTED GRAPH FIGURE 6 SCHEMATIC DIAGRAM OF URE MODEL 1122 PAGE 1 2 3 3 4 4 4 5 7 7 8 8 I ...

Page 4: ...very effectivedly for two separate monophonic channels Any magnetic pickup designed for operation with a 47 000 ohm termination may be used with the Model 1122 and its wide dynamic range provides faithful reproduction from low level classical recordings or maximum excursion single records Outputs are balanced for 600 ohm or 150 ohm lines approximately 80 ohms actual Installation is simple and with...

Page 5: ...54 dB continuously variable Less than 0 5 THD at 20 dBm from 30 Hz to 20 kHz At least 60 dB below 6 dBm output gain set for 6 dBm output with 5 rnV input 32 Hz to 18 kHz band pass filter Floating transformer isolated For 600 or 150 ohm balanced line aproximately 80 ohm actual 50 dB minimum at 10 kHz 50 dB minimum at l kHz 42 dB minimum at 100 Hz Operating within 0 5 dB of all speci f ications from...

Page 6: ...el Used to adjust the overall opera ting level and to balance the individual levels of the two channels Located inside the unit on the PC board Used to balance the re sponse of the two channels of a stereo cartridge or of two mono phonic cartridges High and low frequency response trimmers are provided for each channel RCA type jacks on the rear panel Barrier strip terminal on the rear panel See in...

Page 7: ...torily over a range of ambient temperatures from 5 C to 55 C 23 F to 131 F and up to 80 relative humidity If the system is installed in an equipment rack together with high heat producing equipment such as power amplifiers adequate ventilation should be provided to prolong the life of components Also while circuitry susceptible to hum pick up is sufficiently shielded from moderate electromagnetic ...

Page 8: ... direct connection via these short cables as any attempt to extend them with additional cable or extension cables will result in loss of high frequencies due to the added shunt capacitance 2 4 2 OUTPUT CONNECTIONS Permanent output signal wires should be shielded cable and connected in accordance with standard wiring practice as indicated on the rear panel barrier strip If the Hodel 1122 output is ...

Page 9: ...eamPoweredRadio Com I I I I I I I I I I I I I I I I I I I Figure 2 Figure 3 GRD I Connecting The Model 1122 With Balanced Output Circuits GRD OUTPUT Connecting The Model 1122 With Unbalanced Output Circuits 6 ...

Page 10: ...ach channel by the recessed screwdriver operated controls on the front panel 3 2 FREQUENCY RESPONSE CHARACTERISTICS Initially the frequency response was adjusted at the factory to conform with standard RIAA NAB characteristics Both low and high frequency response may be changed within an envelope shown in the graph Figure 5 Appendix The frequency adjustments are located on the printed circuit boar...

Page 11: ...t be activated at the tirne of purchase by returning the registry portion of the Warranty Card to the factory Should a malfunction ever occur the dealer from whom the unit was purchased will be glad to handle return for factory repair alternately for prompt service ship the unit repaid directly to the factory Be sure it is well packed in a sturdy carton with shock absorbing material such as foam r...

Page 12: ...www SteamPoweredRadio Com I SECTION V I APPENDIX I I I I I I I I I I I I I I I I I I ...

Page 13: ...__ C __ _ _ __ L Y _ _ _ _ _ ___ I J 1 l r 1 1 T ii _ 1 1 t 1 1 1 iir ifll r _ __ _ ___ _ l _i _ LL_ 1 f r l _l 1 I i t J _ _ 1 1 4 j i__ _ t 1 _I fTT t L I r I I I l I I I I I I I __ _ _ f J i t r r t _L __ _ I ____ _ _ _ _ _______ _ 1 1 W r 1 I l i i 1 1 T r 1 _ __ _ _ __ l __ L __ _ I 1 _ _ _ _ 1 _ _ _L ___ l_l _ 2 20 4 5 6 7 e 9 l lvJ UNITED RECORDING ELECTRONICS INDUSTRIES 4 5 b 7 1 1 J FREQU...

Page 14: ... 01t ttov I CUT T l to P Z A 00 TtA l OK A TE D g t O T t 0 l 1 3 C M a lC i FU TO 1 6 a MP B 29 1000 SDV C l 1000 SU 5 ll i B V t I ZZD la II Rtl I C I T l Eiuor n l O 10 I 018 I n Ill L F I 2 DI __e L 7 IOO S I K T I f T 0 I ill c I t 8k L F st 2 1 l H 100 3 0 1 6UO Ot Al E UJ t 10 0 OU I 511 1 Z R l TOI V A IJ4 A IU O MM t 111 W I C AP AC ITOI V Q UJC Aa IN M IC UJFAt AOS NOT E L C3 o T OOpF t ...

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