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Hi, thanks for your thoughts and observations on this little receiver. It’s not going to win any design awards for its looks, but it performs very well considering its budget price point. Yes, I know what you mean about these little budget receivers as you never know quite how they are going to perform and there is always the chance of finding that hidden gem! Unfortunately, as you mention, this one seems to be no longer produced, but its worth keeping an eye open especially if there is some new old stock waiting to be found.

Hi, thanks for getting in touch and for sharing your thoughts on this receiver/media player. You managed to get yours for a good price 👍 I‘m glad the review proved useful to you and I have to say, mine is on the kitchen window sill, charging up during the day ready for switching on when I get home. Thanks again.

Indeed - this is superb in both sound and capability - as you say, a real treat to use👍

Hi, thanks for sharing that. Yep, they are well-made and perform well. Often overlooked I think as they are in between being 60s and 70s collectors pieces and part of the more ‘modern’ 90s onwards models.

@@TheWobblyCameraGuy indeed they are from the era when they started using that horrid compressed board/mdf type material for the cases rather than all wood. i also have an r300 r757 r707 r600 and r606mb in my collection as well as a number of hackers and a pair of zenith transoceanics i do love my vintage portables!

@@shayne109 Hi, I am impressed with your collection! The R600 is a good work horse and the R707 is just lovely, giving a sound quality and performance that is so good. The Zenith Transocean series is one radio type that I have yet to experience, but it’s on my radar. Well done for preserving and making good use these quality radios!

@@TheWobblyCameraGuy thanks i do play them all at various times they all have slightly differing sound but all good considering their ages i acquired all of my roberts units in a lucky joblot from a deceased colletoors son for.......£4 each!!!

@@shayne109 Absolute bargain - well done you!

Hi, many thanks for your kind feedback. I’m glad it proved useful.

Hi, thanks for getting in touch. Yes, I agree, it’s a great little all-round radio receiver and media player, for not much money 👍

@@TheWobblyCameraGuy How is possible to tune 5 kHz with this radio? Or the selectivity is so wide that a station can be heard 5 kHz away?

@@Hunkiralyfi Hi, thanks for your question. The radio tunes in 10Khz steps on shortwave, so I don’t think 5Khz steps are possible. If you are hearing a station that is in between those 10Khz steps then indeed, as you say, it may well be the selectivity of the receiver that is causing this. However, you have to bear in mind that this is a very low-cost multi-band receiver and media player, so you can’t expect too much at this low price point. Non the less in my opinion, I think it offers a good all-round performance for not much money. Thanks again, TWCG

Hi, yes, your right. There was a trend around that time in Europe and latterly the UK, for valve radios to have multiple speakers, separate base and treble (brilliance as some called it), ‘magic eye’ tuning and high-quality looking wood veneers. What some referred to as the 'continental look' I think. Thanks for your feedback

Hi, yes agreed. It’s a hazard that many folks today may not be aware of when they pick these up at car boot fares etc, fit a plug and find that it ‘works’ (in an Ebay kind of way), not knowing the dangers that lurk when they poke around inside or for inquisitive little fingers etc. Thanks for highlighting this 👍

Hi, many thanks for your observations and kind wishes. It’s in a long que of ‘round to its’ lol as I sure you have as well. Enjoy your weekend too!

Hi, thanks for your feedback. You could use 8 batteries as you say, although it’s a little high for me especially when dealing with vintage electronics. However, as I’m sure you are aware, you need to bear in mind that when you are measuring the voltage of a battery with a multi-meter, you are measuring it under no-load conditions. It’s better to measure it, either with a suitable resistor attached or in situ, to obtain a more accurate reading. It’s like when you check a used battery to see if it is any good and your meter gives a reasonable voltage reading, but as soon as a load is applied, it just fails. Thanks again.

Hi, yes, it’s a very impressive receiver with excellent audio. If ever you find one and you like tune around the world, I would suggest that you just buy it 👍

Hi, thanks for getting in touch all the way from Turkey 👍 I think it’s a well-built little set and one which I am keeping and use on a regular basis. Just shop around to get the best deal, as prices do seem to vary between the different stores.

Hi, sounds like you have had a couple of great buys! The R606 is a solid workhorse and not too big. Totally agree with you in regard to the sound quality of these old sets, a wooden cabinet and decent speaker giving them a good frequency response and presence. Although as you say, they were pricy in their day, now you can pick these up for not much money and enjoy high quality radio performance for many years to come. BTW, I have done a video on using rechargeable AA batteries to replace the PP9 batteries that some of the older Roberts sets use, so you can save a little money and be kinder to the environment at the same time.

@@TheWobblyCameraGuy Thanks, both radios use "C" batteries,[I think, not checked the R606] I use them on mains supply

@@macraghnaill3553 Ah, OK understand. Most of my Roberts receivers are designed to take a PP9. You must have the R606MB i.e. Mains/Battery which I think also takes ‘C’ cells 🤔.

@@TheWobblyCameraGuy Yes, it is an R606MB, buy it may be an idea to buy rechargeable batteries , I will have a look at them

@@macraghnaill3553 High, sounds a good idea, but just bear in mind that they tend to be approx. 1.2 to 1.3V rather than 1.5V of a standard battery, so overall voltage will be down a tad, but the radio should work just fine.

Hi, thanks for sharing this. You don’t mention the type of batteries you are using so it’s a little difficult to put this in to perspective. However, a decent make of alkaline or even Lithium-Iron should last a lot longer than 8 hours. Have you considered using re-chargeable AA batteries? Although the overall voltage is a little lower, I have tried these and they work just fine. By the way, for a bit of fun if you want to look at powering your radio via a small solar panel, I have made a video on this is if you want pop across to my channel and take a look 👀

Hi, that’s a good question. I have just tried it and it does appear to work directly off the 5V charging port with no 18650 battery fitted. I can’t put my hand on the instructions at the moment so I am not sure if this method is recommended by the manufacturers, (sometimes they have charging circuit design restrictions). However, it does come with an 18650 battery as standard, so even when that’s flat, it doesn’t take top long to put a decent amount of charge in it and you could always obtain a 2nd battery if you needed to keep the radio going for an extend amount of time.

Hi, thanks for the update on the production of the Prunus J116. That’s a shame although hopefully, there may be ‘run out’ stock still available with suppliers for UA-camr’s who still want to purchase one. I had a quick look at the Cloobut RD218 that you suggested. It’s one that I haven’t come across before so many thanks for sharing this. Looking on AliExpress it’s a tad more expensive than the Prunus at around £11.00, (including shipping) but non-the-less it looks to be a very interesting alternative so thank you for taking the time to get in touch about this👍

Hi, thanks for getting in touch. That’s quite a project you are undertaking there! OK so the answer is possibly. I have looked at the data sheet for this chip and I think that you can connect an FM antenna (throw out wire maybe?), to PIN 3 = RF INP (also referred to as FM_IN), but it must be via a small capacitor. The data sheet shows a 100pF capacitor although the one on the PCB radio kit is shown as 27pF. My suggestion would be to purchase one or two of these kits and simply experiment! The audio O/P could be connected to a little audio amp via a very short lead (to negate the lead doubling up as an aerial), for test purposes. I have made a video on a little $2 audio amp kit from AliExpress that you might be interested in. I have also provided a link to the data sheet for this chip where the connection details are shown towards the rear that may prove useful. Please let me know how you get on as I would be very interested. Good luck 👍 www.docdroid.net/jLmx4at/kt0936m-b9-v22-english-pdf

Hi, with regards to the audio output level, in my opinion it’s plenty loud enough for most situations.

Hi, thanks for your question. For its size and price point, I think the sound quality is very good. The rear passive radiator helping with the enhancing the lower frequencies.

Hi, thanks for your feedback. Yes, like many budget radios, it uses a digital signal processor which means it tunes in frequency steps (9Khz for this particular set I think). The days of cheap analogue radios are fast disappearing I’m afraid ☹

Hi, thanks for getting in touch. Yes you are correct, the radio is also aimed at the Chinese market where they have what is known as campus radio that broadcasts on these lower FM frequency bands. Basically, these transmit educational programmes to students etc, to help them with their studies.

Hi, thanks for your feedback. Yes, I agree, like most of the budget multi-band radios at this price point, there will always be compromises that you need to take into consideration. However, to be fare I was rushing a little as I didn’t want the tuning comparison section of the video to be too long, as it can sometimes make things a little ‘dry’ in places. Thanks again - TWCG

Hi, that’s a good thought ‘air-reel’ lol 😂. It’s a useful little aerial that I was initially sceptical of, but it turned out to be very useful and I’m happy to share my findings with everyone.

Yep, I have to say I was pleasantly surprised at the difference this little wire aerial made.

Hi, thanks for getting in touch. Yes, these little Kchibo’s are very good in comparison with some of the other similarly priced multi-band radios, but since they are aimed at the budget end of the market, I guess they need to look at costs and adding the necessary oscillator circuit etc. would probably cost too much. As for the test, in theory, yes for a 100% comparison, I could have taken the radio outside for the first part, however, this is fraught with issues of noise from passing cars, deliveries, people working outside etc. as well dogs barking. All the fun stuff that you don’t really want on your audio 🙈 To be fair this was recorded at the back of my garage and the walls are only 1 brick thick, so not too much dampening of signals. Thanks again.

Hi, many thanks for your kind feedback and the clarification on the transmissions that I queried, excellent! These cheap little Kchibo’s are good receivers but even so, the aerial gave it a good boost. So, if like me, you have a few of these sorts of budget receivers, then this little aerial is worth consideration.

Hi, it’s surprisingly loud with a good base response for its size thanks to rear passive radiator. Its not ‘HiFi’ but its more than ample for a standard size room.

Hi, good question and the answer is basically yes. What you are doing is effectively creating some ‘green screen’ footage. So, if you start out with a fresh blank page in Canva (1080 x 1910 for example). Then apply a green colour and change it the most iridescent green that you can. Then on top of that background apply your moving image, graphics etc. Then just export it in MP3 format. Upload this into Hitfilm and create a 2nd video track above your video in the time line and insert your green screen footage. Go to ‘Keying’ in the effects tab and select the ‘colour difference key’ and move this effect on to your green screen footage. Then scale etc as you need. A few things to be aware of: You may need to adjust some of the settings in the colour difference key. (i.e. min. max green colour and gamma so that you don’t get any fuzzy edges to your image when you zoom in close). Also, try not to pick images with green in them or colours that are green-ish as they will be hidden or appear semi-transparent when you apply the colour difference key. You can use other colours i.e. you can have blue screen and adjust the colour difference key settings to suit). Finally, be careful of copy righted images, graphics and even text. In Canva, if you select most photo’s, elements etc. you will see three dots. Click on them and it will reveal what you can and cannot do with that particular item. If you look on my channel, I have made a video about using green screen footage. Hope this helps,

Hi, thanks fort getting in touch. I concur with your thought’s. That single SW tuning band makes selectivity rather challenging, but for the size of the radio, the audio quality is pretty good ✔

Hi, just pop on to Ali Express and shop around until you get the best overall price including carriage 👍

Hi, thanks taking the time to get in touch and for your feedback and observations - interesting stuff.

Hi thanks for your question. Although I no longer have this handy little media player, (I gave it to my sister) I think what you do when you are in FM radio mode, is to press the bottom LH button (M) for a second or two and it will start to scan through the FM frequencies and when it comes across a radio station, it stores it to memory and indicates on the display the memory number allocated for a particular station. Once it has completed this task, you can then press the appropriate number key to recall its allocated station. If for some reason that doesn’t work, please let me know and I will make some investigations.

Hi, many thanks for your feedback and detailed advice. Lots to absorb and consider and I appreciate the time you have taken to explain in detail, the advantages of creating lines in the method you have described and the fundamentals of the plane layer. Interesting and informative - thank you. In this short video, I intended to try and help those who are just starting to get into video editing using HF to create a simple line using an easy method, just to give them a little traction and encouragement. Thanks again.

@@TheWobblyCameraGuy and the key technique in this video is absolutely sound. Just suggesting a little tweak. Looking forward to your next video. 👍

@@HitfilmUniversity Hi, thanks and appreciated my friend 👍

Hi, thanks for getting in touch. I’m assuming that you can’t purchase one through AliExpress? If not then have you tried alternative’s to AliExpress such as Wish, Gearbuying, Geekbest or even Amazon? If you don’t have any joy with these sites then try looking for the XHDAT D-219 which is virtually the same as the KK-9803. Hope you manage to find one as they are very good considering their low price point

Hi, thanks for ‘tuning in’. It did quite well considering that it hasn’t had any attention in all it’s years

Hi, thanks for getting in touch and for your feedback. With regard to the price, this would work out to roughly 3600 to 4000 KPR. However, it pays to shop around to get the best overall price as some stores low the cost of the radio, but charge a lot more for carriage.

Hi, great to hear from you and thank you for your support. TBH I just used two iPhones, (front & top) to video it and used a mic taped to the front of the tripod that I was using. However, because the top iPhone was closest to the receiver, it actually obtained a slightly better audio, so I simply used that. All the best TWCG

Hi, thanks for your question. To a certain extent it depends upon the rating of the USB power supply you are using. Typically, if it has a rated output of approx. 1A, then roughly for a 1200mAh capacity battery it would take approx. 2 to 3 hours depending how much charge the battery had left in it. If the battery has been charged and discharged many times, then it may lose some capacity over time. Hope this helps.

Hi, I’m glad the video was useful 👍

¡Maravillas de verdad! Estos viejos aparatos de radio no cuestan mucho dinero y vale la pena buscarlos si puede encontrarlos en buenas condiciones.

Hi, yes I agree, I think the designers did a good job with this particular receiver👍

Hi, thanks for your question. Although it has an analogue style tuning dial, it employs a Digital Signal Processor, (DSP) for tuning.

@@TheWobblyCameraGuythanks for reply !

@@tmthanhable Happy to help

Hi, many thanks for your kind feedback. I would be really interested if you manage to break into this little PCB radio and you manage to hack the shortwave capability - good luck 👍

Wow, that’s what you call a wire aerial!

Hi, good to hear from you. Thank you, that means a lot to me as I am never sure if these short videos are of interest 🤔

@@TheWobblyCameraGuy to me? Definitely.

@@ma-mo Thank you for your support - appreciated 👍

Hi, thanks for your question. I see no reason why you can’t, it just means that the larger capacity battery will take longer to fully recharge, (unless you have a separate charger for this particular type of battery?).

@@TheWobblyCameraGuy yes, I have a separate charger

@@alexandrenoronha7146 That’s good. It should last a long time on a single charge given the large increase in capacity over the 500mAh one that is supplied with the radio 👍

@@TheWobblyCameraGuy yes, thanks 🫡

Hi, thanks for your query. Most portable transistor radios from the 60s and 70s were powered by 9 volt batteries either the larger PP9 for the larger sets or smaller PP3 type for the pocket radio’s. The PP9s are still readily available by the way. I built a rechargeable 9V battery pack using a battery holder, rechargeable AA batteries and a conversion connector assembly to interface with the old style PP9 clips and the smaller connectors on the battery holder. It works very well and I have a video on my channel showing how to make one if you are interested. Thanks again