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History of the manufacturer  

Amroh NV (Radio Bulletin monthly), Muiden

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Name: Amroh NV (Radio Bulletin monthly), Muiden    (NL)  
Abbreviation: amroh
Products: Model types Tube manufacturer
Summary:

AMROH NV is founded in 1923 by Georg C.F. Kauderer as "American Radio House". In the first years AMROH imports radio components from the USA, selling these in The Netherlands. In 1926 the name of the firm is shortened to AMROH.

Amateur Radio Montly Magazine. Address: Nijverheidswerf, Bussum.

The magazine was owned by Amroh (Amsterdamse Radio Onderdelen Handel)

Founded: 1923
Closed: 2002
Production: 1935 -
History:

AMROH NV is founded in 1923 by Georg C.F. Kauderer as "American Radio House". In the first years AMROH imports radio components from the USA, selling these in The Netherlands. In 1926 the name of the firm is shortened to AMROH. Pre-war brands imported by AMROH are Radio Instruments (audio transformers), Goodmans (loudspeakers), Belling-Lee (pickup cartridges, tube sockets, connectors), Dubilier (capacitors), Varley (coils, resistors), Wharfedale (loudspeakers), Westinghouse, Watmell, Novocon (coils) and Electro-Dynamic (transformers). In 1935 a own production facility (transformers, coils) is formed: Amutronics. In 1936 a publishing company "De Muiderkring NV" is established. This is the start of many succesfull publications in the field of do-it-yourself radio projects. A famous Muiderkring author was Dr. Blan, pseudonym for Drs. Ing. C.F. Ruyter (1908-2002). AMROH has a strong market position: a sales organisation, production facility and publisher, all in one hand, concentrating on radio products.

The AMROH radio kits use high-quality components, and are very well documented. The nineteen-fifties were the "Golden years" for AMROH, and a second production facility is started in Kollum. Also complete products were made, e.g. the "Handy Sound" line of tape recorders (1953-1963).

This manufacturer was suggested by John Hupse.


Some models:
Country Year Name 1st Tube Notes
NL  61 Serenade ECC83  Sound range: 25 - 10.000 Hz Tape speed:   9.5 cm/s Play time:   ... 
NL  53 MK Duomax EAF42  Model MK Duomax was not available as a kit. All parts had to be purchased as separate comp... 
NL  58 Kristalontvanger Elektron    
NL  48 MK DRIE EF9  It is not known when this model was published in Radio Bulletin. The publication in boo... 
NL  60 Eenvoudige tweekringer met batterijvoeding UN-56 1T4   
NL  59 Ion OC3  Amroh model Ion is the extension of the combination of Amroh models Neutron and UN-51 with... 
NL  58 Triolet 2 ECH81  Amroh chassis type: CH 53 or Minimax Tuning scale: TD 103 with glass plate 4040 Loud... 
NL  54 FM ontvanger Passe Partout EF80  Passe Partout is a VHF FM receiver that consists of 2 parts: the convertor and the I.F. am... 
NL  51 Pin-up Super Ratio ECH42  Pin-up Super Ratio is equipped with Minicore tuning unit 736 with the following 3 wave ban... 
NL  51 Minicore spoelstel (coil set) 148   The 4 wave bands of the Minicore coil set 148 are: -  Long wave; -  Mediu... 
NL  58 Neutron   The model Neutron could be bought as a kit or by buying all parts separately. The w... 
NL  46 Mu-Core 402-Spoel Cat. No. 60.265.00 [All Versions]   Universal RF coil for 535 - 1.640 kHz. Manufactured by Amutronics/NL. Different... 

[rmxhdet-en]

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

I proposed "autoradio 1950" but could not yet upload this pic. This car radio is a superhet, published in Radio Bulletin 1950. The schematics were drawn by myself, using the original data.tbn_nl_radiobul_autoradio_pic.jpg

  
rmXorg