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Concertino 9 dunkel

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Concertino 9; Telefunken (ID = 138566) Radio
Telefunken: Concertino 9 [Radio] ID = 138566 397x255
Select picture or schematic to display from thumbnails on the right and click for download.
For model Concertino 9 dunkel, Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH:
ebay: kastenvetter # 6557031011
Country:  Germany
Manufacturer / Brand:  Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Year: 1958/1959 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 7: ECC85 ECH81 EF89 EF89 EM80 EABC80 EL84
Main principle Superheterodyne (common); ZF/IF 460/10700 kHz
Tuned circuits 8 AM circuit(s)     12 FM circuit(s)
Wave bands Broadcast, Long Wave, Short Wave plus FM or UHF.
Power type and voltage Alternating Current supply (AC) / 110; 125; 150; 220; 240 Volt
Loudspeaker 4 Loudspeakers
Power out 5.5 W (unknown quality)
from Model: Concertino 9 [dunkel] - Telefunken Deutschland TFK,
Material Wooden case
Shape Tablemodel with Push Buttons.
Dimensions (WHD) 630 x 380 x 285 mm / 24.8 x 15 x 11.2 inch
Notes Bandbreite schaltbar, Kurzwellenlupe, drehbare Ferritantenne.
Net weight (2.2 lb = 1 kg) 14 kg / 30 lb 13.4 oz (30.837 lb)
Price in first year of sale 429.00 DM
External source of data Erb
Source of data HdB d.Rdf-& Ferns-GrH 1958/59

All listed radios etc. from Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Here you find 3482 models, 3050 with images and 2018 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.


Forum contributions about this model
Telefunken: Concertino 9
Threads: 2 | Posts: 4
Hits: 1712     Replies: 2
telefunken: 9; Concertino
Lars-G. Lundelin

In my recently acquired Telefunken Concertino 9, I had a problem with the volume pot. It was completely stuck. Couldn't get it turned neither way even with a bigsize pliers. So I had to dismantle it from the chassis and put it into the vice and tried again with the pliers. No - it was jammed.
Then I heated the spindle with a tiny pencil torch and slowly pressed the shaft out from the housing. Some kind of rough glue residues could be seen on the shaft, cleaned it up with gasolin and grinded it with fine sandpaper and lubricated. Reassembled and now it's working fine.
Are there anyone out there who have had this particular problem with a volume potentiometer?
I was lucky enough to get this pot working, these are not made for refurbishing.
Is it still possible to get this special Telefunken potentiometer on the market?


Emilio Ciardiello

Dear Lars,

the problem is quite common to shafts of potentiometers, tuning capacitors and little motors in turntables. It is caused by dried grease, that becomes hard just like tar. No need to dismantle the part. Usually it becomes soft enough simply heating the bushing with a soldering iron. When melted, it is possible to rotate the shaft back and forth while adding few drops of turpentine with a syringe. Usually the combined action of the manual rotation and of the solvent remove the old grease.

See also here and here


Lars-G. Lundelin


Grazie Emilio for your prompt reply!


Surely it is as you say, but in my case here, it wasn't possible to remedy the problem with the pot in place.
I've been confronted with stiffy pots before and these I fixed according to your advice.
When this Telefunken pot in the vice and heated it up, I was able to turn the shaft quite easely, but when the shaft cooled down, it was jammed again.
Well, this was a new experience to the collection again. Curiously, in this set, the tuning capacitor also was jammed, but with CRC special penetrating oil into the bearings fixed easely the problem.


Hits: 1880     Replies: 0
telefunken concertino 9 klingt unsauber
Josef Haindorfer

Hallo beisammen
Wer weiß Rat?
Bei meinem concertino9 bring ich keinen klaren Klang zusammen, es kracht aus den Lautsprechern, speziell die Bässe sind unsauber, das aber auch bei dem Anschluss eines cd players, was kann da sein, ich hab schon andere Lautsprecher getestet, aber keine Besserung

Beitrag zum Modell verschoben.
Bitte immer vom Modell aus posten, sonst verschwindet Ihre Anfrage schnell unter vielen anderen Beiträgen.
Außerdem bleiben diese Anfrage und allfällige Antworten immer mit dem Modell verbunden.
Auch die Suche nach dem Schaltplan ist dadurch wesentlich erleichtert.

MfG. WB.

Telefunken: Concertino 9
End of forum contributions about this model