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RTV380; Grundig Radio- (ID = 105304) Radio
Grundig Radio-: RTV380 [Radio] ID = 105304 933x424
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For model RTV380, Grundig (Radio-Vertrieb, RVF, Radiowerke)
Country:  Germany
Manufacturer / Brand:  Grundig (Radio-Vertrieb, RVF, Radiowerke)
alternative name
Grundig Portugal || Grundig USA / Lextronix
Year: 1969–1971 Type: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 26:
Principle Super-Heterodyne (Super in general); ZF/IF 460/10700 kHz
Tuned circuits 8 AM circuit(s)     15 FM circuit(s)
Wave bands Broadcast, Long Wave, Short Wave plus FM.
Power type and voltage Alternating Current supply (AC) / 110; 130; 220; 240 Volt
Loudspeaker - This model requires external speaker(s).
Power out
from Model: RTV380 - Grundig Radio-Vertrieb, RVF,
Material Wooden case
Shape Book-shelf unit.
Dimensions (WHD) 550 x 150 x 220 mm / 21.7 x 5.9 x 8.7 inch
Notes Stereo-Steuergerät. NF-Verstärker mit 2 Endstufen je 10 W (Musik).
Net weight (2.2 lb = 1 kg) 8.5 kg / 18 lb 11.6 oz (18.722 lb)
Collectors' prices  
External source of data erb
Source of data Handbuch VDRG 1969/1970

All listed radios etc. from Grundig (Radio-Vertrieb, RVF, Radiowerke)
Here you find 5245 models, 4456 with images and 3514 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.


Forum contributions about this model
Grundig Radio-: RTV380
Threads: 1 | Posts: 6
Hits: 4297     Replies: 5
Grundig RTV 380
Omer Suleimanagich
  1 Does anybody have information regarding this unit, output in watts per channel and possible modifications in the power amplifier?

I am thinking that this receiver has 10 watts per channel.

Hans M. Knoll


Output- Power:
is not a Hifi Set!

on 4 ohms : 2x 7,5 Watts, distortion  = 10%  RMS

on 4 ohms : 2x 10 Watts, distortion = 10 % Music Power

Hans M. Knoll
(developer of this set)

Omer Suleimanagich
  3 Thank you Herr Knoll!

I am very honored to communicate with one of the designers of this receiver!

In your opinion, should I, or better put, could I make any modifications with the power amp section of this receiver or just leave everything intact?


Hans M. Knoll

Hello Mister Suleimanagich

to the GRUNDIG RTV380 
I think it is not easy to make modification on that set.  The Power Stage is not an Emitter -Follower; it's a Collector- Follower. I think, there is no ideas anywhere to optimize that Circuit.

The only possibility is, to change the Emitter -Follower Stage in Front of Sound processing. (bass treble and Volume)  A two-transistor circuit with 6 or 10 db of Gain is positively for the Sound. That is easy to make.
But the high deviation on FM Stations today and the high levels on other Sound Sources, let suppose, that it is uncertain if that's necessary.

With respect,  Hans M. Knoll

Text is changed!

Omer Suleimanagich
  5 Herr Knoll,

You are a great asset, and again, I'm honored to have the privilege to be guided by one of the masters of these mid century beauties!

There is no showing off here, only discourse that can guide one to the repair of something that's been sitting in some ones attic for more than forty years!

Many thanks for your assistance and instruction!

Hans M. Knoll
  6 Hello Omer,

allright, i agree with your comment.

If you have special questions for this RTV380 or some european Radios, i am ready for assistance. 

I think, i am firm in Radioengineering.

Best regards, from near Nuremberg ,

Grundig Radio-: RTV380
End of forum contributions about this model