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Braun, Frankfurt

Braun T 1000 CD

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T 1000
 
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überarbeitet am 19.10.2010

single conversion, ZF 455 kHz

analog dial, ca. 25 kHz

AM, SSB (BFO), FM

sensitivity 5 MHz
AM 2 uV

seelctivity -6 dB
2 / 6 kHz

AGC, ANL, AF - filter, MW - ferrite antenna,

Bedienungsanleitung Operation instructions

The Braun T1000 - or the successor T1000 CD with cosmetic changes, leather carrying handle and the riffle at the edges of its tuning knobs - designed by D. Rahms is a collector's item, that is very popular in Germany.
This 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, that will explain the "CD" in its designation.

The most prominent feature of the Braun T1000 is the famous design by Dieter Rams. In the middle of the sixties, Braun could introduce a "revolutionary" receiver design and technical receiver concept. You might recognize it's features like the big dial, the turret tuner arrangement and the signal strength indicator in later world band receivers from Grundig, Nordmende, the Blaupunkt Supernova and even later copies of these sets from Japan... the drum tuner of the T1000 with its gold plated contacts will work reliably after many years and tuning is without any backlash.

On the left of the front panel, You find a big speaker, a removable cover will protect the dial and controls at the right hand.
The broadcast and amateur radio bands are marked on the linear frequency dials but there are no bandspread dials for separate bands provided. The turret tuner for the selection of the separate bands is operated from a knob on the receiver's right side. There are two separate tuning knobs for FM and the AM - bands, a separate fine tuning control underneath will help tweaking the signal, when a station is identified. But retuning a station on a known frequency might turn out a bit difficult, the frequency marks are too broad for identifying frequencies within a broadcast band. You can only start Your search for the required signal at the lower or upper segment of the band. Once You have identified the signal, You can write down the number on the logging scale to make retuning this station later easier.
Below the dials, in the row of controls, You find from the left the volume control and the mains switch below, the tone control, which will activate an audio filter when pulled out, and the BFo control and the switch for two IF bandwidths of +/- 1 and +/- 3 kHz below. The following control at the right activates manual gain control (MGC), the switch below the dial illumination, the last knob operates the fine tuning. Unfortunately, the signal strength indicator just below will be covered by Your fingers, when You try to tweak a station's signal using the fine tuning control. At the right hand, You find the pushbuttons for AM and FM operation, the Tape input and the switchable AFC active on FM.
In the row below, You find different connectors and an antenna trimmer control to match an external antenna.

The integrated antennas allow stand-alone operation of the receiver. The set is equipped with a ferrite antenna for long- and mediumwaves, a 1,8 m telescopic shortwave antenna and two FM antennas. There has been optional direction finding equipment consisting of DF adapter PV1000 and a direction finding antenna PK1000 - this seems to be even more rare then the receiver itself.

The T1000 receiver is powered by eight UM-1 / mono cells, a ninth cell is used for dial illumination. With the optional power supply, that can be stored inside the receiver cabinet, the set can be powered by different mains voltages from 90-130 or 150-240V, it even accepts 6 - 12V DC.

The single conversion set is well suited for reception of the signals of the major international broadcasters and external services. Tuning in to a station on a known frequency might be a bit cumbersome, You have to listen for it's interval signal or a familiar sounding newscast. The T1000 is capable of receiving CW and single sideband signals by means of a BFO, tuning using the fine tuning control and manual gain control might be a bit difficult - the T1000 is not suitable for ECSS reception.
In my eyes, nowadays the T1000 is a collector's item that allows You pleasant shortwave listening - the set is far away from being a decent DX machine. Amongst collectors in Germany, the set has got a very high reputation - what will explain the prices paid for a mint T1000DC on eBay and similar auctions. Whether You are prepared to pay a high price for a set without digital frequency display, narrow filters and sufficient SSB reception capabilities, I will leave to You, but don't expect too much from the set's reception qualities. At least, the design is stunning.

weitere Lektüre:
d: Damals luxuriös - Braun T 1000 CD, Nils Schiffhauer, Oldie- KW-Empfänger
d: Braun T 1000 CD - König der Oldtimer, weltweit hören 9 / 1983
d/e: Braun T1000 CD at www.radiomuseum.org

© Martin Bösch 15.11.2007