ページ1に含まれる内容の要旨 
                    
                         
 
 
 
 
 
 
 
 
 
ADA-21S 
 
STEREO AUDIO 
DISTRIBUTION AMPLIFIER 
INSTRUCTION MANUAL 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
SIGMA ELECTRONICS, INC. 
P.O. Box 448
1027 COMMERCIAL AVENUE 
EAST PETERSBURG, PA 17520-0448 
(717) 569-2681 
 
                                                                                                                                                                                                                                                             
                    
                    ページ2に含まれる内容の要旨 
                    
                        ADA-21S STEREO AUDIO DISTRIBUTION AMPLIFIER      GENERAL:   The ADA-21S Stereo Audio Distribution Amplifier is designed to provide three (3) dual-channel outputs  from a stereo audio signal source. The module is compatible with either balanced or unbalanced audio signals  on the input and outputs. Outputs can be mixed between balanced and unbalanced configuration dependent  on the requirement of the destination equipment.    This module must be installed in a Sigma Frame for proper operation. Po
                    
                    ページ3に含まれる内容の要旨 
                    
                        ADA-21S STEREO AUDIO DISTRIBUTION AMPLIFIER    AUDIO CONFIGURATIONS:   The source and destination audio equipment must be evaluated to determine if they are Balanced or  Unbalanced. After determination is made, refer to the drawings provided to select the proper audio  configuration. The outputs can be any combination of balanced or unbalanced.    ADA-21   ADA-21    +  + + + +  + + +    C  C  C C C C C C    Open  - - - - - - -      IN OUT IN OUT       Balanced In to Balanced Out Balanced In to U
                    
                    ページ4に含まれる内容の要旨 
                    
                        ADA-21S STEREO AUDIO DISTRIBUTION AMPLIFIER    ADJUSTMENTS:   The ADA-21S has no adjustments other than the front panel gain control.    SPECIFICATIONS:   INPUT: ...............................................Dual channel, Balanced, +24 dBm Maximum   INPUT IMPEDANCE: ........................30 kΩ Balanced, DC coupled   OUTPUT: ...........................................+24 dBm Maximum   OUTPUT IMPEDANCE: ....................100Ω Balanced, DC coupled   LEFT/RIGHT SEPARATION: ............All outpu