The Old CATV Equipment Museum
Headend Electronics
Modulators
The origins of the Modulator in Cable TV
Anaconda Audio Video Modulator Model 9800
![](Anaconda_Model9800--2.JPG) | Photo: Lew Chandler |
Blonder Tongue Video Modulator TV Camera Control Generator Model TVC-1A-CG
![](BTTVCameraControlGenModelTVC-1A-CG--1.JPG) | Photo: Lew Chandler |
Blonder Tongue 4.5 Mhz Audio Modulator Model 2303 Audio Adder
![](BTAudioModulatorModel2303AudioAdder--1.JPG) | Photo: Lew Chandler |
Blonder Tongue 4.5 Mhz Audio Modulator Model Audio Master
![](BTAudioModulatorModelAudioMaster--2.JPG) | Photo: Lew Chandler |
Blonder Tongue Solid State Audio Video Modulator Model AVMT-a
![](BTSolidStateAudioVideoModulatorModelAVMT-a--1.JPG) | Photo: Lew Chandler |
Blonder Tongue Solid State Hetrodine Modulator Mode ESHM
![](BTSolidStateHetrodineModulatorModeESHM--1.JPG) | Photo: Lew Chandler |
Cadco Audio Video Modulator Model 250
![](CadcoModulatorModel250--1.JPG) | Photo: Lew Chandler |
Cadco Audio Video Modulator Model 250B
![](CadcoModulatorModel250B--1.JPG) | Photo: Lew Chandler |
Catel Television Modulator Model TM-2400
![](CatelTVModulatorModelTM-2400--1.JPG) | Photo: Lew Chandler |
Catel Television Modulator Model CTM-2500
![](CATELColorTelevisionModulatorModel82500--1.JPG) | Photo: Lew Chandler |
Dynair Wideband Television Modulator Model TX-8A
![](Dynair_TX-8A--1.JPG) | Photo: Lew Chandler |
Dynair Solid State Television Modulator Model TX-4A
![](Dynair_TX-4A--1.jpg) | Photo: Lew Chandler |
Dynair Electronics Instruction Manual Dynair Electronics Solid State Modulator Model TX-4A
Dynair Audio Video Television Modulator Model TX-4B
![](Dynair_TX-4B--1.jpg) | Photo: Lew Chandler |
Fung Engineering Inc IF Modulation TV Modulator Model IFTM-4170
![](FungEngineeringIncIFModulationTVModulatorModelIFTM-4170--1.JPG) | Photo: Lew Chandler |
General lnstrument ModulatorModel Fam-300
![](GeneralInstramentModulatorModelFam-300--1.JPG) | Photo: Lew Chandler |
Jerrold Tele-Trol Audio Video Modulator Model TM
Jerrold Electronics Corp. Instruction Manual Jerrold Tele-Trol Television Modulator Model TM
![](JerroldTele-TrolModulatormodelTM--2.JPG) | Photo: Lew Chandler |
Jerrold Audio-Trol 4.5 Mhz Audio Modulator Model AT-2 Series 2
![](Jerrold_AT-2-2--1.jpg) | Photo: Lew Chandler |
Jerrold Electronics Corp. Instruction Manual Jerrold Audio-Trol audio modulator model AT-x
![](Jerrold_AT-2-2--3.jpg) | Photo: Lew Chandler |
Jerrold FM Stereo Modulator Model AFM-2
![](JerroldFMStereoModulatormodelAFM-2--2.JPG) | Photo: Lew Chandler |
Jerrold Electronics Corp. Instruction Manual Jerrold FM Stereo Modulator Model AFM-2
Jerrold Uni-Mod Solid State Modulator Model UM-7
![](JerroldUniModModulatorModelUM-7--1.JPG) | Photo: Lew Chandler |
Jerrold Channel Commander Modulator Model CCM
![](JerroldCommanderModulatorModelCCM--1.JPG) | Photo: Lew Chandler |
Jerrold Commander Modulator Model 111-A
![](JerroldCommanderModulatormodel111-A--1.JPG) | Photo: Lew Chandler |
Kay Electric Television Modulator Model Mega-Pix
![](KayElectric_Mega-Pix--1.jpg) | Photo: Lew Chandler |
PICO Satellite Inc Modulator Model AVM 50X
![](PICOSatelliteIncAudioVideoModulatorModelAVM50X--1.JPG) | Photo: Lew Chandler |
RCA Master-tenna 45.75 MC Video Modulator Type ETVM-3C
![](RCAMaster-tenna45.75MCVideoModulatorTypeETVM-3C--1.JPG) | Photo: Lew Chandler |
RCA Color Television Modulator Model CTM11ZP
![](RCAModulatorModelCTM11ZP--1.JPG) | Photo: Lew Chandler |
Scientific Atlanta Modulator Model 6300
![](ScientificAtlantaModulatorModel6300--1.JPG) | Photo: Lew Chandler |
Scientific Atlanta Modulator Model 6330
![](ScientificAtlantaModulatormodel6330--1.JPG) | Photo: Lew Chandler |
Scientific Atlanta Modulator Model 6350
![](ScientificAtlantaModulatorModel6350--1.JPG) | Photo: Lew Chandler |
Telemet Modulator Model4400
![](TelemetModulatorModel4400--1.JPG) | Photo: Lew Chandler |
Triple Crown Electronics Head-End Series Model HE-M
![](TripleCrownElectronicsHead-EndSeriesModelHE-M--1.JPG) | Photo: Lew Chandler |
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