Antique radios, Old Time Radios

Grundig RTV 380

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Forum » Radios and other type of sets (Physics) etc. » RADIO MODELS DISPLAYED » Grundig RTV 380
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Omer Suleimanagich USA Articles: 251 Schem.: 0 Pict.: 50 10.Apr.05 10:15	Grundig RTV 380 You aren't logged in. (Guest) 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. Omer
Hans M. Knoll D Articles: 1286 Schem.: 137 Pict.: 59 11.Apr.05 21:07	You aren't logged in. (Guest) 2 GRUNDIG RTV 380 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 USA Articles: 251 Schem.: 0 Pict.: 50 12.Apr.05 05:03	Grundig RTV 380 You aren't logged in. (Guest) 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? Omer
Hans M. Knoll D Articles: 1286 Schem.: 137 Pict.: 59 12.Apr.05 13:22	Questions about GRUNDIG RTV380 You aren't logged in. (Guest) 4 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! This article was edited 13.Apr.05 18:30 by Hans M. Knoll .
Omer Suleimanagich USA Articles: 251 Schem.: 0 Pict.: 50 14.Apr.05 10:53	Grundig RTV 380 You aren't logged in. (Guest) 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! Omer
Hans M. Knoll D Articles: 1286 Schem.: 137 Pict.: 59 14.Apr.05 13:05	You aren't logged in. (Guest) 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 , Hans This article was edited 14.Apr.05 15:43 by Hans M. Knoll .

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