Author Archive for Ray Chang


ABR11 Type 4846 radio-alarm


T-22 Radio

Just acquied (8.11 053e). This is fairly rare portable radio produced 1960-62, with this version for the US market (English markings).

Longwave, Shortwave and FM and runs on 1.5V x 6 drycell batteries. The specimen here is fully operational and in original condition:

11.2 x 8.1 x 3.7"

More technical information can be head from Radio Museum.

Technical manual (wiring diagram) can be purchased from here.


H-7 Heater Fan


The H-7 portable fan is reminiscent of the HLD-7 hair dryer on a slightly larger scale. Design by Reinhold Weiss.
This is an unusual one wired for the US market (in 110 volts).
Acquired 3/09 (E:75)



DN 30S / 4808 Digital Clock

Design: Dietrich Lubs. 1983. Acquired good used condition 3/09, in white (eb-80) from Austria.


RT-20 Radio


A 1961 design by Dieter Rams.

The Tri-band radio also comes with a white face, and is “a perfect example of how to establish functional and visual hierarchy via scale, spacing, and a strict grid system”


Acquired (2) in 2008 (from Germany, for $300 and $800 respectively).


T-1000 Radio

braun03dailyiconIntroduced in 1962 at the Berlin Radio Fair, this has become an iconic Rams / Braun design and quite a collectors’ item, being part of the permanent collection of the Museum of Modern Art in New York.



The set is the single “real” shortwave receiver produced by Braun over quite a long time, it has been used quite often by members of the German diplomatic corps, which explains the “CD” in it’s designation. The T1000 CD was produced since about 1965.

Sketch for T1000 (alternative plans) dated May 29 1962.

Sketch for T1000 (alternative plans) dated May 29 1962.


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I had the extraordinary good fortune to acquire an excellent condition T1000 CD AM FM LW shortwave radio from Joseph Harrell of Dallas in 2008 (1200) with ALL original documentation, schematics, receipt etc intact, imagine!  Original owner was the an Attache at the US Embassy in Lagos, Nigeria and he bought this radio from Ing. Karl Marzik in Frankfurt on Oct 11 1968. The tuner runs on 8 “D” cells while a ninth battery is for the lighted display.  One set of batteries lasts 6 months on a couple hours a day of listening.  My set didn’t come with an AC adaptor.



Here are some use details on the T1000 from Dr. Boesch’s radiopages.

A collection of pictures of the T1000 CD on Flickr.

T1000 service manual (5.8 MB pdf in German) is available on this webpage.

The T1000CD page (with collector prices for members) from Radiomuseum of Switzerland with specs.

An interview of Dieter Rams on T1000 on Youtube


Braun Sixtant Razor

N.B. 1) Braun was acquired by Gillette, the shaving giant, in 1971, 2) Braun is now one of the top shaver names in the world, and 3) i have been admiring and using Braun shavers for 30+ years.

So this is special.


This is an earlier Braun razor design – and developed from Braun (Ronson) models (the DL3, DL5 by Rams/Müller, 1955 and 1957) of mid-1950s (Note: Braun had an agreement with Ronson in 1954 lasting twenty years allowing them to distribute Braun shavers in the Americas, U.K., and the British Commonwealth) and evolved from the S60 and SM3 shavers (both by Müller).

The SM31 sixtant above was designed 1962 by Gerd Alfred Müller, Hans Gugelot, Fritz Eihlr. Nr. 5310, the sistant is the same generation as Ronson Rechargeable RS75. Heavy cast alloy cutting head with brushed finish, foil cutting surface, injection moulded acrylic (?) body. On/off switch on side, circular switch on front activates side-trimmer. Presented in padded case with mirror insert inside lid with brush and straight flex.  Variants of this model included the S62 and parat BT SM 53 (Rams/Fischer 1968) and the rallye/sixtant color (1971, Florian Seiffert)


Acquired a 1971 Sixtant Color red one in Feb 2009 (eb:20) from Netherlands (Above).


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