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Truxa 1701W

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Truxa 1701W; Loewe-Opta; (ID = 162819) Radio
Loewe-Opta;: Truxa 1701W [Radio] ID = 162819 900x514
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For model Truxa 1701W, Loewe-(Opta); Deutschland
Country:  Germany
Manufacturer / Brand:  Loewe-(Opta); Deutschland
alternative name
Löwe Radio
Year: 1956/1957 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: ECC85 ECH81 EF89 EABC80 EM80 EL84
Main principle Superheterodyne (common); ZF/IF 473/10700 kHz
Tuned circuits 6 AM circuit(s)     10 FM circuit(s)
Wave bands Broadcast, Long Wave and FM or UHF.
Power type and voltage Alternating Current supply (AC) / 110; 127; 150; 220 Volt
Loudspeaker 3 Loudspeakers
Power out 4 W (unknown quality)
from Model: Truxa 1701W - Loewe-Opta; Deutschland
Material Wooden case
Shape Tablemodel with Push Buttons.
Dimensions (WHD) 550 x 275 x 215 mm / 21.7 x 10.8 x 8.5 inch

Das Handbuch des Rundfunk- und Fernsehgrosshandels gibt ein Gewicht von 6 kg an, was fehlerhaft ist. Das tatsächliche Gewicht beträgt 10 kg.

Net weight (2.2 lb = 1 kg) 10 kg / 22 lb 0.4 oz (22.026 lb)
Price in first year of sale 279.00 DM
External source of data Erb
Source of data HdB d.Rdf-& Ferns-GrH 1956/57

All listed radios etc. from Loewe-(Opta); Deutschland
Here you find 1582 models, 1312 with images and 1154 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.


Forum contributions about this model
Loewe-Opta;: Truxa 1701W
Threads: 1 | Posts: 5
Hits: 2579     Replies: 4
loewe-opta: 1701W (1701 W); Truxa
Lee Noga
  1 I need to correspond with any owner of the above model radio to help me re-string the upper dial cord. If you can help me with perhaps a pencil sketch or a picture of how the string is strung around the large drum I would be immensely greatful. The radio of course was manufactured by Loewe Opta. The dial cord is the only obstacle I have left to conquer. Not an easy obstacle to conquer however.
Radionut Lee
Ekkehard Pfau
  2 Dear Mr. Noga

I have read about your problems with the Truxa Radio.
I have also such a radio and perhaps I can help you.
As you know, it is not very easy to get the chassis
out of the cabinet without damaging something....
Because I have not so much time this week, I hope
I can manage it next weekend to get the chassis out,
take off the dial glass and take detailed pictures
or make a pencil sketch.

Best regards
Ekkehard Pfau
Ekkehard Pfau
  3 Dear Mr Noga,

I have uploaded drawings of the FM, AM and Tone-Control Dialcords.
You will find them in the schematics section.
I hope, this will provide the information you need.

Best regards
Ekkehard Pfau
Ekkehard Pfau
  4 If the drum of the dialcord is hard to turn,
this may come from the old, sticky grease in the
bearings. Especially the bearing of the 6mm Axle, where the
drum is mounted.
Contact cleaner will not solve this problem for
a long time. It will dry out after several months
and the grease in the bearing is as sticky as before....
Better it would be, removing the tuning capacitor
from the cassis, remove drum and axle, clean it,
lubricate with new grease and put it all together again.
When doing that, pay attention, that the gears are
tensioned together with a spring, to avoid play.
(...hope this ist the right word...)
When disassembling, take pictures
- this is helpful for reassembling.
If the grease is very sticky, it might be difficult,
to get the axle out. In this case (the drum is removed before !)
warm up the axle with a soldering Iron. Then
the old grease gets soft and the axle can be removed easily.

Best Regards
Ekkehard Pfau
Lee Noga
  5 Although much thanks have been given to Ekkehard personally, I wish to thank him again here for his graciousness. Without his help I would never have been able to repair this radio for a friend of mine. Just to recap some of the problems I had: The off-on switch was on all of the time. I found that the switch which was rivited on the side of the pushbutton assembly was impossible to replace. It was a double pole switch that also switched the B+ which did not have to be switched. I therefore purchased a 1 meg volume control & single pole switch assembly and replaced the original 1.2 meg volume control.  The strength indicator (a 6BR5 tube) was no longer working and I was still able to purchase a new one which with shipping only cost me about $12.00 dollars. Both dial cords and indicators were restrung. Both the bass and treble indicators were inoperable. The base knob was broken and a piece was missing. With considerable amount of work and time I did repair the knob with what is called Plas-T-Pair. This stuff is very usefull for making plastic repairs. I used it to repair a really badly broken up plastic dash panel over the radio speaker for a 1942 Packard and then painted it to the original plastic color and you cannot tell the difference between it and the other panel. Had trouble with the lower AM tuning section which turned quite hard and the dial cord assembly had trouble turning it. I sprayed some contact cleaner/lubricant in on both sides of the capactor assembly which is sealed which helped quite a bit. Still slipped a little so I tightened the dial cord a little more to provide more spring tension and this did the job.
I will be taking the radio back to my friend today and I am sure he will be tickled to receive it. Again hats off  to Ekkehard!
Loewe-Opta;: Truxa 1701W
End of forum contributions about this model