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300 Automatic Stereo 11

300 Automatic Stereo 11; SABA; Villingen (ID = 22763) Radio
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300 Automatic Stereo 11; SABA; Villingen (ID = 822748) Radio
SABA; Villingen: 300 Automatic Stereo 11 [Radio] ID = 822748 800x617
Select picture or schematic to display from thumbnails on the right and click for download.
For model 300 Automatic Stereo 11, SABA; Villingen:
Ebay 200512150838
Country:  Germany
Manufacturer / Brand:  SABA; Villingen
Schwer & Söhne, GmbH
Year: 1961/1962 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 10: EC92 EC92 ECH81 EF85 EM84 EABC80 EABC80 ECL80 ECL86 ECL86
Main principle Superheterodyne (common); ZF/IF 460/6750 kHz
Tuned circuits 8 AM circuit(s)     11 FM circuit(s)
Wave bands Broadcast, 2 Short Wave plus FM or UHF.
Power type and voltage Alternating Current supply (AC) / 115 Volt
Loudspeaker 4 Loudspeakers
Power out
from Model: 300 Automatic Stereo 11 - SABA; Villingen
Material Wooden case
Shape Tablemodel with Push Buttons.
Dimensions (WHD) 640 x 395 x 290 mm / 25.2 x 15.6 x 11.4 inch
Notes Für Export in Länder mit 60 Hz-Netz, Marineband 1.55 - 4.3 MHz statt LW. Exportskala ohne Sendernamen..
Abgleich (auch Steuerfilter)
Alignment (also automatic filter)
Net weight (2.2 lb = 1 kg) 18 kg / 39 lb 10.4 oz (39.648 lb)
Source of data -- Original-techn. papers.

All listed radios etc. from SABA; Villingen
Here you find 1613 models, 1456 with images and 1115 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.


Forum contributions about this model
SABA; Villingen: 300 Automatic Stereo 11
Threads: 3 | Posts: 11
Hits: 533     Replies: 0
saba: SABA 300 Automatic Stereo 11 Dial Cord Band Selector Clutch
Jeff Miller

For information only - in case another SABA 300 has this problem.

As is typical with many old radios, even when they enjoy regular use, the stations may not get changed that often. Favorite stations are pre-tuned on each band (usually FM and AM), and then the radio waits to be turned on occasionally. In this case, the AM/SW/Marine band dial cord had not received any regular exercise for months, or maybe even several years.

Discovered the tuning knob for the AM band was not moving the dial pointer. At first, it was intermittent, but it quickly got worse. It appeared that the dial cord was not broken, because rotating the tuning knob back and forth many times caused the dial pointer to move a little bit. Got the radio onto the workbench, and discovered that the dial cord band selector clutch was slipping out of position when the piano key selector switch was in the AM band position. The clutch was designed to engage either one of two separate dial cords – one for AM (also controls the SW and Marine bands) and another for the FM band. The clutch was engaging securely on the FM band, which reduced the scope of the problem.

First, to reduce potential friction points, examined and carefully lubricated all associated dial cord pulleys. Applied Labelle 108 (light-weight synthetic oil), and DeoxIT, but after further scrutiny, the clutch seemed to be the real problem. While holding the clutch in place with minimal finger pressure, the tuning knob at the front of the radio moved the pointer up and down the dial freely. Nothing was binding or inhibiting movement.

Ultimately, the clutch was adjusted, and repaired by tightening the two screws (one on each side of the clutch cylinder) found under factory-original orange quality-control paint. See attached annotated photos.


Hits: 2813     Replies: 1
saba: Stereo 11; 300 Automatic
John Kershaw

Greetings from Canada,

    My Saba 300 has a problem with the automatic tuning. It works normally in search and fast mode in both directions, except it won't stop in one direction  when it tunes in a station on MW/Broadcast band. FM works normally in both directions. I have cleaned and checked the control switches and they appear good. All capacitors are new. A new ECL80 and EABC80 does not cure this. The AM output from the control transformer appears the same in either direction. I have checked the alignment of the transformer. The translation by Google from German is awful and I can't understand much of it.

    Has anyone had this problem and can help?

               Regards, Gary


Kirk Sievers

Hi Gary,

Since the FM search tune is working fine, one would suspect a problem with the MW Control Transformer alignment. My experience has been that the IF strip alignment and control transformer alignment interract and the best results are obtained by exciting the ECH81 grid (pin 2) with a RF sweep generator set to 460KHZ with a 20-30 KHZ sweep and then looking at the IF curve (top of R23) and control transformer curve (Point P) using a scope. Get the two curves lined up together and make sure the frequency discriminator output (Point M) is symmetrical around the peaks of the IF and Control Transformer curves.

You may also want to double check (using an ohm meter) all the search tune switch contacts.

Also, verify that the 60HZ drive signal amplitude on Pin 9 of the ECL80  is the same in up and down search for both fast and slow tuning.

Also, verify the value of the 18K braking resistor, R103.

Also, verify that the coupling adjustment (taped over hole on Control Transformer) has not been tampered with.

Hope this helps. Thes radios can be a little finicky to tune up precisely.




Hits: 2687     Replies: 7
saba: Stereo 11; 300 Automatic
Alfred Pugliese
  1 Hi all....Thanks for finding my radio! I had a question about the small bulbs under each pushbutton. How do I get to them?  And  Will I be able to find replacement?  The electronic tuner litters and shakes after tuning a station....Is this normal?    Thanks   AL
Martin Renz
  2  Hi Alfred,
If you need information about the automatic, you can find it here (its in German, may be google language tools can be a help to understand it). There are more articles in german about saba specific repairs, many of them you will find with "suchlauf" (German syn. for automatic) in the general search. Most information (in German) at Freiburg 125.
Don't try to remove the buttons, you have to remove the chassis to change the bulbs from downside.
Best regards
Alfred Pugliese
  3 Ok...Thanks Martin. I will try to get it translated...........Al
Alfred Pugliese

Hi all....It seems the jittering of the electric tuner was caused by a weak 6AB4 tube. I guess it jittered because it was trying to tune in station. Now it works perfectly. I noticed there is a empty tube socket on chassis. On the tube diagram it reads 'Multiplex'......What is multiplex?

                                                                 Thanks  AL

Bernhard Nagel
Hi Alfred,

the mentioned socket isn't reserved for another tube...
There one can install a multiplex-decoder. Essential for rf-stereophonic listening. By the way: your radio seems to be a very early model which has the facility for later upgrading to rf stereo reception. The right decoder should be this one. Nowadays difficult to acquire...
Best regards,
Omer Suleimanagich

That would be the optional install to receive stereo signals.

Being that the radio is from the early sixties, many buyers of these radios weren't sure if they wanted to fork out the extra bucks, or deal with the early/primitive multiplex units. 

Some eventually did place the multiplex add on a few years later.

Maitiu Standun
  7 hi al, i sugest you look up multiplexing in the wickipedia  [enc], where youll get a very comprehensive explanation , best regards maitiu
Alfred Pugliese
  8 Thanks....Now I understand.......The set sounds so good the way it is......But, I will keep my eyes open for unit............AL
SABA; Villingen: 300 Automatic Stereo 11
End of forum contributions about this model