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History of the manufacturer  

DDK (D.D.K.) Co. Ltd.; Tokyo

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Name: DDK (D.D.K.) Co. Ltd.; Tokyo    (J)  
Abbreviation: ddk
Products: Model types

D.D.K. Co., Ltd.
1-5-1 Kiba Koto-ku
Tokyo 135-0042, Japan
TEL.+81-3-5606-1154 FAX.+81-3-5606-1157 

D.D.K. Co., Ltd. manufactured the Lark brand of low-priced transistor radios.  They were distributed in the USA by Caltrade Mfg. & Trading Co., 360 Ninth St., San Francisco, CA 94103.

Founded: 1963
October 1963. DDK Ltd. was established with initial capital of JPY250,000,000.- through joint investment by Fujikura Ltd. , Iwatsu Electronic Co.,Ltd. Amphnol Corpration and other two companies on October 14th ,1963.
The company now specialises in electronic connectors. Website:

This manufacturer was suggested by Henryk Fidos.

Some models:
Country Year Name 1st Tube Notes
60 Lark - 2 Transistor - Boy's Radio 2SB99  Connection for headphone.  
62 Lark One Transistor TR-107   Pocket-size radio with 1 PNP transistor as RF and AF amplifier in a reflex circuit; two di... 
62 Lark Boy's Radio TR206S   Small pocket-size transistor radio. Uses two transistors: the first one, in reflex conf... 
62 Lark 2 Transistor TR-208S   Pocket-size transistor radio. Two PNP transistors: the first one as RF and AF amplifier in... 
62 Lark 3 Transistor TR-303S   3 PNP transistors plus 2 diodes: one as frequency converter, the second as IF and AF ampli... 
58 Lark PT-8   Lark PT-8, Germanium Radio; Black tuning dial, removeable telescopic antenna, made in Jap... 
60 Lark Germanium Radio ML-10   Weight incl original packing 125 Gram 
63 Lark Boy's Radio GE-2D   It says "One Transistor" on the radio beneath the dial. Possibly a transistor used inst... 
60 Lark 6 Transistor TR-604    
58 Astra Lark PT-8   See similar model Lark PT-8. 
58 Super Lark