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History of the manufacturer  

Leader Electronics Corp.; Yokohama

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Name: Leader Electronics Corp.; Yokohama    (J)  
Abbreviation: leader2
Products: Model types

Leader Electronics Corp., 2-6-33 Tsunashima-Higashi, Kohoku-ku, Yokohama 223-8505, Japan.

FOR MODELS ONLY - do not mix up with 'Leader Electronic Components Corporation, Yokohama' which is for components only.

Identical models were made, labeled with manufacturer Ohmatsu, brand Leader. Details regarding change of Company name not (yet) known. 1954: founded as "Ohmatsu Denki Co., Ltd. at 2596, Kamimeguro 5-chome, Meguro City, Tokyo." 1966: Name changed to "LEADER ELECTRONICS CORPORATION".

Founded: 1954

This manufacturer was suggested by Georg Richter.

Some models:
Country Year Name 1st Tube Notes
67 Antenna Impedance Meter LIM-870   Symmetric antenna posts, Z = 0 to 1000 Ω. 
66 Signal Generator LSG-11 12BH7A  HF(RF) Generator 110 kHz - 130 MHz (up to 390 MHz with calibrated harmonics). Six ranges:... 
73 Signal Generator LSG-16   HF(RF) generator 100 kHz - 100 MHz in six ranges(up to 300 MHz with calibrated harmonics).... 
74 Tr. Dip - Transistor Dip-Meter LDM-815 2SC288  Leader Transistor Dipmeter LDM-815. Frequenzbereiche: 1,5–4 MHz, 3,3–8 MH... 
65 Grid Dip Meter LDM-810 6CW4  Nuvistor dipmeter, 2.0 - 250 MHz in six ranges. 
74 SWR/Power Meter LPM-885   SWR/Wattmeter 1.8 - 54 MHz,3 ranges 20/200/1000 Watt. 
73–88 Audio Generator LAG-120A   Output: sine 3 Vrms, square 3 Vpp; 9 Hz to 1 MHz ±0.5 dB (5 ranges); impedance 600 Ω, atte... 
74 HAM Scope Adaptor (TX power monitor) LA-31   Adapter for transmitter monitoring. Range: 1.8 - 54 MHz, impedance 50 - 75 ohms, measureab... 
74 HAM Oscilloscope LBO-310HAM   The LBO-310HAM oscilloscope is specially designed for amateur radio stations. It is most s... 
74 Antenna Coupler LAC-895   Antenna coupler, 3.5 - 28 MHz, power 100 W continious, 200 W (CW keying), 500 W SSB, voice. 
74 RF Power Meter LPM-880   RF power meter with built in dummy load; range 1.8 - 500 MHz, 0 - 20/120 watts. 
70 Antenna Impedance Meter LIM-870A   frequency range 1.8-150 MHz, Z range 0-1 kOhm. Difference to LIM-870 not known. 


Further details for this manufacturer by the members (rmfiorg):

Q: Leader Electronic, Messgeräte-Katalogtbn_j_leader_messgeraete_katalog.jpg
Q: Leader, Messgeräte-Katalogtbn_j_leader_logo.jpg