|
Country:
United States of America (USA)
|
|
Brand:
|
Common type USA tube/semicond.
Canadian General Electric (Canada) (C.G.E. or CGE); Toronto, ON
Canadian Westinghouse, Hamilton
Don Shinkukan Seisakusho - Don Vacuum Valve Mfg.; Tokyo
Elevam エレバム, Miyata Seisakujo; Tokyo
American (Feldstern & McCusker tube brand)
Amplion USA = Tube brand
Archatron; Owensboro, KY
Arco Tube Company; Newark (NJ)
Aristocrat; (where?)
Atlantic Electric Lamp Company; Danvers, MA
Belltron; (where ?)
Blue Grass (tubes) - see also Belknap; Lousiville, KY
Bond Electric Corp.; Jersey City, NJ
Boone (tubes), Tri-State Products Corp.; New York, NY
Buck (tube brand)
By Heck (tube brand)
Defender (tubes) - see also Sears; Chicago, IL
Distatron (tubes), DX Electric Products Corp.; New York, NY
Econotron (tubes), Nulite Electric Co.; New York City, NY
Grandtone, F. & W. Grand (5-10-15 cent stores); (where?)
Hygrade Lamp Co. (Neptron); Salem, Massachusetts
Jewel Radio Company; New York, NY
Ken-Rad, The Kentucky Radio Corporation; Owensboro, KY
Milo (tube brand)
Neontron Co.; New York City, NY
OK (tubes), S.S. Kresge Co.; Detroit, MI
PAR Tube Company; Newton Falls, OH
Qualitron Manufacturing Co.; Newark, NJ
Rayo Tube Co.; New York City, NY
Ray-O-Vac / Rayovac, French Battery Co.; Madison (WI)
RCA (RCA Victor Co. Inc.); New York (NY)
Silver Shield, Grenpark Tool Co.; New York, NY
Sterling (Tube brand)
Thermotron, EMKO Radio Manufacturing Co.; Newark, NJ
Ureco, United Radio and Electric Co.; Newark (NJ) and Brooklyn (NY)
Via Radio (tube brand)
Vox, Munder Electrical Co.; Springfield, MA
Waco (tube brand); (where?)
|
| Developer: |
General Electric Co. (GE); Bridgeport CT, Syracuse NY |
| Tube type: |
Triode, vacuum Universal |
|
| Identical to |
UX201A
= CX301A
= AX201A
= D401A
= UX-201-A_Japan
= 201A
= ER201A
= R221-DX
= 201
= C-201A
= 235D
= SX201A
= X-201A
= D201A
= TC201A
= AWA101X
= MX201A
= SX01A
= SLX201A
= RH201A
= PA201A
= OK-X201A
= NX-201A
= A_UX-base
= ZP201A
= RayX-201A
= T-201A
= TS201A
= RYB201A
= D-201A
= EX201A
= R201A
= A_MusicMaster
= S01A
= BX-201A
= CF501
= 6505_Defender
= CX201A
= GSX401A
= 4600
= 4601_WLS
= EX-1A
= DX201A
= 401A_UX
= CTX201A
= 301A
= 2976
= 57T201A
= M-201-A
= SW201A
= A-201
= LB-201A
= P201A
= DC201A_UX
= JX201A
= HF201A_perfectron
= GX201A
= NVV201A
= G&R201A
= XL201A
= BG-201A
= Z201A
= VX201A
= TSX201A
= E-201-A
= LS201A
= FX201A
= G201A
= GSX-201A
|
| Similar
Tubes |
Other shape (e.g. bulb type):
01A
; DX-235
; M-201A
; T01A
Normally replaceable-slightly different:
201A_Magnavox
; 201A_Philips
; 3000X1-A
; 508X
; 525C
; 5VAX
; AX
; AX+
; C508
; D-01A
; LJ4
; PT-201A
; SE-4374
; SX4000
; WX25
Other class quality (otherwise equal):
CTX201-RF
Other characteristic (electr. data):
CT201-RF
; UX201C
; ZP100
Other base:
201A_Japan
; AWA55
; B509
; C509A_B4
; C509_B4
; DC201A_UV
; R221-D
; R46
; UX201A_UV199base
Other base and other heater:
RT56
Multiple differences or of other kind:
Detector_Huppert
|
| First year |
Aug.1925
Saga of the Vacuum Tube, Tyne page 315.
|
| Predecessor Tubes |
UV201A
|
|
Successor Tubes
|
01A
UX240
226
UX226
|
|
|
|
