Echophone Schematics, Service
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*** See also Hallicrafters ***

200 Echophone models listed

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Echophone 101933RiderRider 3Echophone4 6thumb
Echophone 1111934FileBosch_Echophone-111_128(Sears Roebuck_Silvertone
-7152)-1934.Rider.Radio
Radiopdfthumb
Echophone 1111934RiderRider 5Echophone1thumb
Echophone 1191934RiderRider 5Echophone2thumb
Echophone 121933RiderRider 3Echophone7thumb
Echophone 1241934RiderRider 5Echophone3thumb
Echophone 1261934RiderRider 5Echophone3thumb
Echophone 1281934FileBosch_Echophone-111_128(Sears Roebuck_Silvertone
-7152)-1934.Rider.Radio
Radiopdfthumb
Echophone 1281934RiderRider 5Echophone1thumb
Echophone 1391935RiderRider 6Echophone1thumb
Echophone 139C1935RiderRider 6Echophone1thumb
Echophone 141933RiderRider 3Echophone2thumb
Echophone 1431934RiderRider 5Echophone4thumb
Echophone 151933RiderRider 3Echophone4 6thumb
Echophone 161933RiderRider 3Echophone4thumb
Echophone 171933RiderRider 3Echophone4thumb
Echophone 17311934GernsbackGernsback 5Radio202thumb
Echophone 17341934GernsbackGernsback 5Radio203thumb
Echophone 1734A1934GernsbackGernsback 5Radio203thumb
Echophone 181933RiderRider 3Echophone4thumb
Echophone 18001934GernsbackGernsback 5Radio203thumb
Echophone 201933RiderRider 3Echophone4 6thumb
Echophone 351933RiderRider 3Echophone9 11thumb
Echophone 361933RiderRider 3Echophone9thumb
Echophone 381933RiderRider 3Echophone7thumb
Echophone 3HFP11956BeitmanBeitman 1956Radio55thumb
Echophone 3HFP21956BeitmanBeitman 1956Radio55thumb
Echophone 41933RiderRider 3Echophone12thumb
Echophone 401931GernsbackGernsback 2Radio266thumb
Echophone 401933RiderRider 2Echophone1 3thumb
Echophone 4001949RiderRider 19Hallicrafters35thumb
Echophone 4061949RiderRider 19Hallicrafters35thumb
Echophone 4091949RiderRider 19Hallicrafters35thumb
Echophone 4101949RiderRider 19Hallicrafters35thumb
Echophone 4111949RiderRider 19Hallicrafters35thumb
Echophone 4121949RiderRider 19Hallicrafters35thumb
Echophone 4141949RiderRider 19Hallicrafters46thumb
Echophone 441933RiderRider 3Echophone12thumb
Echophone 51933RiderRider 3Echophone1thumb
Echophone 501933RiderRider 3Echophone13thumb
Echophone 5101947RiderRider 15Hallicrafters4 58thumb
Echophone 51C11954BeitmanBeitman 1954Radio56thumb
Echophone 51C1A1955BeitmanBeitman 1955Radio56thumb
Echophone 51C1B1956BeitmanBeitman 1956Radio52thumb
Echophone 51C21956BeitmanBeitman 1956Radio56thumb
Echophone 51C2A1957BeitmanBeitman 1957Radio56thumb
Echophone 51C2B1956BeitmanBeitman 1956Radio52thumb
Echophone 5R101951BeitmanBeitman 1951Radio53-54thumb
Echophone 5R111951BeitmanBeitman 1951Radio44thumb
Echophone 5R121951BeitmanBeitman 1951Radio44thumb
Echophone 5R131951BeitmanBeitman 1951Radio44thumb
Echophone 5R141951BeitmanBeitman 1951Radio44thumb
Echophone 5R241955BeitmanBeitman 1955Radio41thumb
Echophone 5R30A1952BeitmanBeitman 1952Radio63thumb
Echophone 5R31A1952BeitmanBeitman 1952Radio63thumb
Echophone 5R32A1952BeitmanBeitman 1952Radio63thumb
Echophone 5R33A1952BeitmanBeitman 1952Radio63thumb
Echophone 5R34A1952BeitmanBeitman 1952Radio63thumb
Echophone 5R401955BeitmanBeitman 1955Radio42thumb
Echophone 5R411955BeitmanBeitman 1955Radio42thumb
Echophone 5R421955BeitmanBeitman 1955Radio42thumb
Echophone 5R501952BeitmanBeitman 1952Radio64-65thumb
Echophone 5R511952BeitmanBeitman 1952Radio64-65thumb
Echophone 5R521952BeitmanBeitman 1952Radio64-65thumb
Echophone 5R601955BeitmanBeitman 1955Radio40thumb
Echophone 5R611955BeitmanBeitman 1955Radio40thumb
Echophone 5R701956BeitmanBeitman 1956Radio51thumb
Echophone 5R711956BeitmanBeitman 1956Radio51thumb
Echophone 5R72CL1956BeitmanBeitman 1956Radio51thumb
Echophone 5R73CL1956BeitmanBeitman 1956Radio51thumb
Echophone 5T1937BeitmanBeitman 1926-38Radio101thumb
Echophone 5T1937RiderRider 8Hallicrafters1thumb
Echophone 601931GernsbackGernsback 2Radio227thumb
Echophone 601933FileBosch_Echophone-60_80-1933.Rider.RadioRadiopdfthumb
Echophone 601933RiderRider 2Echophone4 6thumb
Echophone 6111954BeitmanBeitman 1954-57-58thumb
Echophone 6121954BeitmanBeitman 1954-57-58thumb
Echophone 70 ;DC1933RiderRider 3Echophone15thumb
Echophone 71101934GernsbackGernsback 5Radio204thumb
Echophone 71141934GernsbackGernsback 5Radio205thumb
Echophone 71241934GernsbackGernsback 5Radio206thumb
Echophone 71261934GernsbackGernsback 5Radio207thumb
Echophone 71271934GernsbackGernsback 5Radio207thumb
Echophone 801931FileBosch_Echophone-80-1931.Gernsback.RadioRadiopdfthumb
Echophone 801931GernsbackGernsback 2Radio224thumb
Echophone 801933FileBosch_Echophone-60_80-1933.Rider.RadioRadiopdfthumb
Echophone 801933RiderRider 2Echophone5thumb
Echophone 811933RiderRider 3Echophone18thumb
Echophone 90 ;Revised1933RiderRider 3Echophone17thumb
Echophone 901931GernsbackGernsback 2Radio228thumb
Echophone 901933RiderRider 2Echophone7thumb
Echophone AT11953BeitmanBeitman 1953Radio47thumb
Echophone AT21953BeitmanBeitman 1953Radio47thumb
Echophone AT31953BeitmanBeitman 1953Radio47thumb
Echophone ATCL51953BeitmanBeitman 1953Radio48thumb
Echophone ATCL61953BeitmanBeitman 1953Radio48thumb
Echophone ATCL71953BeitmanBeitman 1953Radio48thumb
Echophone ATCL81953BeitmanBeitman 1953Radio48thumb
Echophone ATX111953BeitmanBeitman 1953Radio49thumb
Echophone ATX121953BeitmanBeitman 1953Radio49thumb
Echophone ATX131953BeitmanBeitman 1953Radio49thumb
Echophone CN11947RiderRider 15Hallicrafters1thumb
Echophone Commercial Sky Rider1937RiderRider 8Hallicrafters4 6thumb
Echophone DD11939RiderRider 10Hallicrafters1thumb
Echophone Dual diversity1939RiderRider 10Hallicrafters1thumb
Echophone Dynatron1933RiderRider 1Echophone7thumb
Echophone EC11944FileEchophone_Hallicrafters-EC1-1944.RadioRadiojpgthumb
Echophone EC11944FileEchophone_Hallicrafters-EC1-1944.Rider.RadioRadiopdfthumb
Echophone EC11944RiderRider 14Echophone1thumb
Echophone EC1B1947FileEchophone_Hallicrafters-EC1B-1947.Rider.RadioRadiopdfthumb
Echophone EC1B1947RiderRider 16Hallicrafters1thumb
Echophone EC21941FileEchophone_Hallicrafters-EC2-1941.Rider.RadioRadiopdfthumb
Echophone EC21942RiderRider 13Echophone1 7thumb
Echophone EC31941FileEchophone_Hallicrafters-EC3-1941.Rider.RadioRadiopdfthumb
Echophone EC31942RiderRider 13Echophone4thumb
Echophone Echoette1933RiderRider 2Echophone1 3thumb
Echophone F1933RiderRider 2Echophone1thumb
Echophone F1934GernsbackGernsback 5Radio225thumb
Echophone Freq standard1941RiderRider 12Hallicrafters16thumb
Echophone H8PA1937RiderRider 8Hallicrafters2thumb
Echophone HT71941RiderRider 12Hallicrafters16thumb
Echophone Radio compass1941RiderRider 12Hallicrafters13thumb
Echophone S101938RiderRider 9Hallicrafters1thumb
Echophone S111937RiderRider 8Hallicrafters3thumb
Echophone S121937RiderRider 8Hallicrafters4 6thumb
Echophone S141937RiderRider 8Hallicrafters8thumb
Echophone S151937RiderRider 8Hallicrafters4 9thumb
Echophone S17 ;1939 Model1941RiderRider 12Hallicrafters6thumb
Echophone S171938RiderRider 9Hallicrafters8thumb
Echophone S181942RiderRider 13Hallicrafters1thumb
Echophone S19R1939RiderRider 10Hallicrafters7thumb
Echophone S201944RiderRider 14Hallicrafters1thumb
Echophone S20R1940RiderRider 11Hallicrafters1thumb
Echophone S211947RiderRider 15Hallicrafters4 58thumb
Echophone S221938RiderRider 9Hallicrafters4thumb
Echophone S22R1941RiderRider 12Hallicrafters1thumb
Echophone S271941RiderRider 12Hallicrafters3thumb
Echophone S291941RiderRider 12Hallicrafters11thumb
Echophone S3 ;Improved1934GernsbackGernsback 2Radio221thumb
Echophone S3 ;Revised1933RiderRider 1Echophone1thumb
Echophone S31933RiderRider 1Echophone1thumb
Echophone S31934GernsbackGernsback 2Radio220thumb
Echophone S301941RiderRider 12Hallicrafters13thumb
Echophone S311944RiderRider 14Hallicrafters4thumb
Echophone S31A1944RiderRider 14Hallicrafters7thumb
Echophone S36A1947RiderRider 15Hallicrafters7 16thumb
Echophone S371947RiderRider 15Hallicrafters35 39thumb
Echophone S38 ;Early1947RiderRider 15Hallicrafters59thumb
Echophone S38 ;Later1947RiderRider 15Hallicrafters59thumb
Echophone S41931FileBosch_Echophone-S4-1931.Gernsback.RadioRadiopdfthumb
Echophone S41933FileBosch_Echophone-S4-1933.Rider.RadioRadiopdfthumb
Echophone S41933RiderRider 1Echophone4thumb
Echophone S41934GernsbackGernsback 2Radio222thumb
Echophone S40 ;Revised1947RiderRider 15Hallicrafters67 84thumb
Echophone S401947RiderRider 15Hallicrafters65 69 76 86thumb
Echophone S41G1947RiderRider 15Hallicrafters87thumb
Echophone S41W1947RiderRider 15Hallicrafters87thumb
Echophone S51933RiderRider 1Echophone7-9thumb
Echophone S51934GernsbackGernsback 2Radio223thumb
Echophone S8A1936RiderRider 7Hallicrafters3thumb
Echophone S91936RiderRider 7Hallicrafters5thumb
Echophone Sky Buddy1937BeitmanBeitman 1926-38Radio101thumb
Echophone Sky Buddy1937RiderRider 8Hallicrafters1thumb
Echophone Sky Buddy1939RiderRider 10Hallicrafters7thumb
Echophone Sky Challenger 21942RiderRider 13Hallicrafters1thumb
Echophone Sky Challenger1937RiderRider 8Hallicrafters4 9thumb
Echophone Sky Chief1937RiderRider 8Hallicrafters8thumb
Echophone Sky Rider 5101947RiderRider 15Hallicrafters4 58thumb
Echophone Sky Rider Defiant1939RiderRider 10Hallicrafters10 15thumb
Echophone Sky Rider Marine1938RiderRider 9Hallicrafters4thumb
Echophone Sky Rider Marine1941RiderRider 12Hallicrafters1thumb
Echophone Sky Rider1942RiderRider 13Hallicrafters7thumb
Echophone Sky Traveler1941RiderRider 12Hallicrafters11thumb
Echophone Super Defiant1940RiderRider 11Hallicrafters3thumb
Echophone Super Sky Rider ;1937 Model1937RiderRider 8Hallicrafters3thumb
Echophone Super Sky Rider ;1938 Model1937RiderRider 8Hallicrafters11thumb
Echophone Super Sky Rider 231939RiderRider 10Hallicrafters10thumb
Echophone Super Sky Rider1936RiderRider 7Hallicrafters1thumb
Echophone Super Sky Rider1938RiderRider 9Hallicrafters8thumb
Echophone Super Sky Rider1941RiderRider 12Hallicrafters7thumb
Echophone SX161937RiderRider 8Hallicrafters11thumb
Echophone SX17 ;1939 Model1941RiderRider 12Hallicrafters6thumb
Echophone SX171938RiderRider 9Hallicrafters7thumb
Echophone SX181942RiderRider 13Hallicrafters1thumb
Echophone SX231939RiderRider 10Hallicrafters10thumb
Echophone SX241939RiderRider 10Hallicrafters10 15thumb
Echophone SX251940RiderRider 11Hallicrafters3thumb
Echophone SX281941RiderRider 12Hallicrafters7thumb
Echophone SX28A Super Sky Rider1947RiderRider 16Hallicrafters3thumb
Echophone SX321942RiderRider 13Hallicrafters7thumb
Echophone SX421948RiderRider 17Hallicrafters6thumb
Echophone SX421949RiderRider 18Hallicrafters3thumb
Echophone SX431949RiderRider 18Hallicrafters10thumb
Echophone SX91936RiderRider 7Hallicrafters5thumb
Echophone TW1001956BeitmanBeitman 1956Radio53thumb
Echophone TW1011956BeitmanBeitman 1956Radio53thumb
Echophone TW1021956BeitmanBeitman 1956Radio53thumb
Echophone Ultra Sky Rider1938RiderRider 9Hallicrafters1thumb
Elcophon AY49-FileElcophon-AY49_BY490jpgthumb
Elcophon BY49-FileElcophon-AY49_BY490jpgthumb
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These radio, TV, record player, amplifier, amp and tape or cassette recorder schematics, circuit diagrams and service manuals are mostly high quality, very readable scans and will usually be Emailed within an hour or two, if I need to scan an item, or it's the middle of the night, it may take a little longer! Here in the UK it is 22:44. If more than one schematic is listed for a model I will generally send them all, unless too big to attach! Specialising in British schematics Roberts, Hacker, Bush, Pye etc. also American and German manuals feature strongly, search for what you need. Multi page manuals are Emailed as pdfs. Please Email or phone 0788 4425213 Thanks for looking, Mike.

Search for your Schematic



Fill in the "Make" and "Model" boxes, if you are unsure of the model, leave it blank and I will list ALL models for that manufacturer, similarly if you only have the model number leave "Make" blank and I will list similar model names from ALL manufacturers. How to repair your radio. More explanation here. Some sources searched :-
Book SetKEYYears
J.F. Riders Perpetual Rider 1920-54
Trader Service sheets Trader 1933-81
Beitmans Radio Diags Beitman 1926-69
Beitmans TV Diagrams BeitmanTV 1947-70
Gernsback Radio Diags. Gernsback 1922-34
Empfanger Schaltungen ES 1928-57
RCA Service Notes RCASN 1923-52
Broadcaster Supplements Broadcaster 1934-42
Radio and TV 36 vol set RTV 1945-86
Radio and TV 5 vol set RTV5 1945-54
Crosley Service Suppls. Crosley 1929-42
My Pre-scanned Files File =>2022
The search logic is slightly "fuzzy" in that it's case insensitive and ignores punctuation so, model TR-510 is the same as tr510, and G.E.C is the same as "gec".

(247201 schematics* by 1828 different manufacturers indexed!)
Updated 18th. Dec 2023


Search Time = 200 results in 18.0 mS. Log
ABCAC DaytonAccurateAce
ACECAceToneAcheAcme
AcornAcousticAcousticalAcra Test
Acra ToneAdaAdaptolAddison
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AdventAEAAEGAEI
AELAeonicAeradioAerialite
AeriolaAero MetalAero MotiveAero Products
AerodyneAetnaAFBAffiliated
AGEAgilentAH GrebeAhemo
AimsAir CastleAir ChiefAir King
Air KnightAir MinistryAir RadioAirline
AirmecAiroAirtoneAirzone
AiwaAjaxAJSAkai
AKGAkkordAkradAlamo
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AllesandroAllied Engineering InstituteAlliedAllocchio Bacchini
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AmberAMCAmcronAmerican Bosch
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AustrovoxAutocratAutomaticAutomovil
AutophonAutoradioAutoSuperAutovox
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AWAAward SessionAwardAxess
AzdamAztecBad StoneBadcat
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BarRadioBARTGBASFBassMan
BauerBBCBBEBeaning
BeckerBeedeBeethovenBehringer
BeitmanBekoBelcoBelcom
Bell and HowellBellBelleBelmont
BelsonBeltekBendixBengal
BenksonBensonBeogramBeolit
BerdskBERECBerlinBernard
BernburgBerning SeigfriedBertonciniBespeco
BettersetBF GoodrichBGWBiennophone
BiggBinatoneBinsonBK
Black HeartBlackhawkBlackstarBlaupunkt
Blocs AccordBlohmBlonderBlue Spot
BobinasBogenBognerBolt
BondBoogieBoschBose
BossBrandesBrandtBraun
BrayheadBRCBremerBremi
BrentwoodBretingBrewsterBriconic
BrimarBrionvegaBritamerBroadcaster
BronswickBrookBrown BoverieBrown
BrownieBrowningBRTBRTR
BrunoBrunswickBrushBSR
BTEBTHBTSBuchla
BuckinghamBudBugeraBuick
BulovaBurbdeptBurgessBurgoyne
BurmanBurndeptBurnsBurrell
BushBushLaneBushManualButler
BYEBylockCable NelsonCAC
CadillacCalradCalselCalvert
CameoCampanelaCamtecCanadian Radio
Canadian WestinghouseCapehartCapitolCaravan
CarischCarlinCarlsbroCarousel
CarronCarterCarverCarvin
CaseCastillaCavelcadeCBS
CelestionCentral EquipmentCenturyCER
CGEChakophoneChampChampion
ChancellorChannel MasterChannelCheliabinsk
ChevroletChieftanChryslerCihan
CiscoCities Service OilCitronicCivilian
ClagoClarionClasse ;AudioClearsonic
CleartoneClimaxClintonClipper
ClydonCMCCoast to Coast Codar
Col R TelCollaroCollinsCollorado
ColonialColor soundColortelColumbia
ComixCommonwealthConcordConrad Johnson
ConsolidatedConsomelloContessaContinental
ConvairCoOpCoronaCoronado
CoronetCorvairCorvetteCosmos
CossorCouchCourierCraftsmen
CrateCRCCrescentCrest Audio
CromwellCrosleyCrownCrumar
CrystalCTRCurrysCyldon
CyrusCzeijaDAFDan Armstrong
DanelectroDanoDansetteDansk
DARBDartingtonDataDaven
David BogenDavid GrimesDaxonDay Fan
DayRadDaystromDaytonDB
DBXDe ForestDean MarkleyDecanno
DeccaDeccasoundDefiantDelco
DelmonicoDeltaDeltalabDenco
DenonDesotoDetrolaDeVar
DeWaldDickersonDictographDiezel
DigitechDioraDKEDnepropetrovsk
DodDodgeDominionDon Lee
DorchesterDoricDouglasDrake
DrummerDTWDual EngineeringDual
DucatiDucretetDukaneDulci
DuMontDumortierDunlopDwektronix
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DynatronEagleEAPEAR
EarlEarthEasternEAW
ECAEchophoneEchoplexEchoTape
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EdenEdison BellEdisonEdiswan
EDPEdwardsEffedibiEgnater
EH ResearchEH ScottEHRAEico
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Electro MaticElectro TechnicalElectroHomeElectromuse
Electronic CorpElectronic Dream PlantElectronic LabsElectronic Music Labs
ElectrophoneElectroplexElectroVoiceEletrofone
ElgarElizabethanElkElka
ElmugElpicoEltraElxon
EMCEmerson ;ArgentinaEMIEmisonic
EMLEMMEmorEmpire Designing
Empire ElectricalEMSEmtronEMU
EmudEMWEnekaEngl
English ElectricEnvoyEpiphoneERLA
ErmsaERTErwaES
EspeyEsquireEsteyEstyma
EtraEtronicEumigEurophon
EurophoneEvansEverreadyExcelsior
ExelradFacitFactotumFADA
FairbanksFairchildFairlightFalcon
FalksFansteelFapesaFarfisa
FarnellFarnsworthFarrandFasma
Federal ManufacturingFederal RadioFederalFederated
FelgateFenderFergusonFerrando
Ferranti ;SimilarFerrarFerrisFerrograph
FiatFidelityFinluxFiolent
FirestoneFirst National RadioFisherFisk
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FlukeFlush WallFM SpecialitiesFNR
FonotalkFord PhilcoFordFordson
FourierFoxxFramusFranklin
FreedFrench JesseFreshmanFret and Foot
Frost MintonFultonFunkstrahlFurguson
FurgusonicFurmanFuttermanFuturama
GalaxyGallien KruegerGalvinGamble Skogmo
GarnetGarodGarrardGates
GBCGCHQGE ;ArgentinaGEC
GecophoneGelosoGemGemeinschafts
GenalexGeneral DynamicsGeneral FireGeneral Household
General ImplementGeneral IndustriesGeneral InstrumentGeneral Radio
General TVGenericGenRadGeodyn
GernsbackGerufonGetaGiannina
GibsonGigracGilbertGilfillan
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Goerz MetrawattGolden TubeGoldentoneGoldpfiel
GoldringGoldstarGonsetGoodmans
GoodYearGordon ElfGothamGould
GraetzGraham PaigeGraham PhilcoGrainger
GramaphoneGramdeckGrammontGrampian
GranadaGrancoGrandinGrant
GrantlineGrasmanGrasmannGraves
Gray DanielsonGrayGraybarGrebe
GregoryGretschGrigsbyGrommes
GrooveTubeGrossGroznyGrundig
GTGuildGuitar ResearchGulbransen
H ClarkeHACHackerHaco
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HallicraftersHalsonHamegHamilton
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Harman KardonHarmonyHarold SheversHarris
HartkeHarty YoungHarvardHarvey Wells
HastingsHatryHEAHealing
Hear All ContinentsHeathHeathkitHeli
HenryHenrys RadioHerbert HornHermes
HetroHF LabsHH ;ElectronicsHH Scott
Hi LoHickokHitachiHiwatt
HKHMGCCHMV ;AustraliaHMV New Zealand
HoffmanHohnerHondaHoodwin
HornyHornyphonHotpointHoward
HPHudson MotorsHudson RossHudson
Hughes KettnerHupmobileHuthIbanez
IberiaICAIcomIdeal
ImefonImpactImperialIncarRadio
IndesitIndustria RadiotecnicaIndustrial ElectronicIndustrial Instruments
InelroIngelenInsulineIntensofunk
InterceptorInterMIntermarkInternational Detrola
International industriesInternationalInterOceanInterstate
InvictaInvictusIrradioIskra
ITTJ G GravesJacksonJadis
JahnkeJamesJasonJBL
JDJefferson TravisJenJenkins
JenningsJerroldJerry DonahueJesse
Jet CityJewelJimi HendrixJMF
John MeckJohn RadioJohnsonJolida
JordanJothaJP SeeburgJuergen Simon
JugoJungmannJupiterJVC
JW DavisKaar EngineeringKadetteKaiser
KalamazooKamenskKampoKappler
KapschKaradioKawaiKay
KBKeighleyKeller FullerKellog
Ken BrownKennedyKenproKent
KenwoodKernwoodKetayKiev
KingKingsKingstonKishtim
KittyhawkKlangfilmKlemtKLH
KlingerKnightKnightKitKO
KochKodelKolledaKonka
KorgKortingKosmovoxKoyo
KrakauerKramolinKrefftKriesler
KrishkeKrohlerKudelskiKurzweil
KustomKW communicationsKylectronL and L
L TatroLabogaLafayetteLamagna
LamcoLandryLaneyLang
LangeLangevinLarinkoLaselle
LaurehkLeaderLeakLeander
LearLectrolabLeipzigLembeck
LeningradLesamLesleyLeslie
LeutzLevellLewolLewt
LexiconLifcoLincolnLine 6
LinearLissenLoeweLoftin
LoganLohjaLondon CityLondon Electric
LongLordLorenzLotus
Loud ;TechnologiesLowreyLTPLumophon
LuxorLyricLytle and CanonMac
MackayMackieMacoMacy
Madison MooreMadrigalMaestoMaestro
MagatoneMagic ToneMagnadyneMagnatone
MagnavoxMaguireMaihakMains Radio Gramaphones
MaintainenceMajesticMajorMallory
MantelMantolaMarantzMarc
Marconi ;CanadaMarconiphoneMarcucciMarelli
MargolinMark SimpsonMarkMarkBass
MarlboroMarmaxMarshallMarti
MartinMasbelMascoMashpriborintorg
Master CareMaster RadioMasteradioMasterpiece
MatchlessMatsushitaMaxonMazda
MBLEMcCarthyMcIntoshMcMichael
McMillanMcMurdoMeazziMebgeratebau
MeckMectronMediatorMegard
MeggerMeissnerMelburnMelorad
MelosMendeMercantileMercury
MesaMeteorMetrodyneMetropolitan Vickers
MetzMEWMFAMicro Electronic
Micro RadioMicrontaMidlandMidwest
MilitaryMillsMilwaukeeMinerva
MinskMiracoMirageMission Bell
MissionMitchellMitsubishiMivar
MohawkMoldedMonarchMonelectric
MonitorMonogramMonsantoMontgomery Ward
MoogMoparMorleyMorphy Richards
Moscow Deaf AidMoscowMoskovskyMosrite
MotekMoto MeterMotoMotorola
MotoviaMotovoxMoulinexMRTZ
Mullard ;AustraliaMultitoneMultivoxMunston
MuntzMurphy ;New ZealandMusaphonicMusette
Music ManMusicaidMusicaireMusical Fidelity
MusiqueMuzakMXRNAD
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