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Post by petert on May 22, 2021 23:00:20 GMT
I have been siting here attempting to insert the L sound to no avail-- just "twists up" my tongue --- Ron Rich Couldn't help but think that, as one ages, one might get odder not older. Maybe that's just me. The idea of equipment being imported without the amp for tax reasons makes sense. The Rainbow amp fits the mounting rails perfectly and has obviously been made specifically for the job. Just doesn't quite look authentic. Anyway, I'll just get the thing running before I give the amp further consideration. |
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Post by Ron Rich on May 22, 2021 23:09:29 GMT
Peter,
"older" is one I can pronounce with no probrems-- I wood think I shud otta be able to insert an L into many spoken words --but I can't ??
Ron Rich
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Post by petert on May 23, 2021 8:30:30 GMT
Nor should you, its like tomatoes and tomatoes... Err, that doesn't help does it. Anyway, the world is a diverse place and the better for it. Thank you all (y'all) for your help.
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Post by jukenorman on May 23, 2021 9:14:23 GMT
I don't work on these but there have been a couple of previous posts from Alan Hood about the Rainbow amps which I have cut and pasted below -
"In the mid 70's and very early 80's the Rowe Ami distributor in the UK was a company called the Music Hire Group in Leeds that operated from the old mill at Horseforth.
For their own operation they bought the likes of the 1976 R-80 without the amplifier and output package to make them cheaper. The MHG MK3 was a poor substiute, it worked but the pre-amplifier was very poor, The Rainbow MK4 was a mosfet amplifier but again there were issues with them. I usually tell anyone that sends me one for testing/repair to not waste their money."
"The MHG MK3 and the Rainbow MK4 are not worth repairing we will only spend an hours work on them-- if we can't repair them by then, the owner of the amp is wasting any more money on it if proceeding any further, it is better to use this money towards an original Rowe Ami amplifier."
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Post by petert on May 23, 2021 10:21:36 GMT
Huh. Was that somehow easier than the minimal changes needed to convert the amp's power supply over to 220V? I'd initially thought that. I used to have a US import fender guitar combo amplifier which simply had an additional transformer bolted to its base. You'd have thought that was an easier solution to the voltage difference. The import duty thing rings true to me. Edit: Norman has it above. Thankyou, Interesting information, must find the OP. Just watched through this one : www.youtube.com/watch?v=No5dcZtBgnUIs it just me or did Bruce not re connect the earth (ground) wire and the cable (cord) clamp. Looks like he's using a test rig and would have done it on the real thing? Still an excellent guide. |
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Post by petert on Jun 14, 2021 13:53:21 GMT
Well, it's been a while I know but I finally found time to go back to this beast and have a looksee with the benefit on a little of your collective wisdom; and we have closure. I had a video ready but it seems I'm temporarily without a host.
First I cleaned the service switch, easy. Then did all the plug connectors as per instructions and the machine fired into life first plug in. Everything doing what everything should. I left my friend lovingly vacuuming and polishing and grinning from ear to ear.
Once again, thank you for all advice. It's not likely that I'll ever touch another Jukebox, but the experience has been very rewarding. Its always good to help a friend out and see it paid forward. Who knows, I'll keep half an eye on the market place, a bargain might come up that I can fit in the shed.
Best wishes to all.
Peter T.
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Post by Ron Rich on Jun 14, 2021 14:04:11 GMT
Hi Peter,
Glad you got it working ! Thanks for this posting -- Ron Rich
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Post by petert on Jun 14, 2021 18:55:56 GMT
Only fair to report back Ron.👍 When you pull the CCC, you're likely to find a piece of foam backing that is/has already turned to powder. I did take a look inside the CCC case and this description perfectly summed up what I found. I had some thin closed cell foam rubber which did the job well. I also found a small, intact yellow and blue PCB battery. It weren't broke so I didn't fix it. 😁 |
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Post by Ron Rich on Jun 14, 2021 19:56:01 GMT
Pete,
Only problem is them thar batteries leak, and when that happens, it destroys the PCB -- Should be changed if over 10 years old, IMHO ! Ron Rich
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Post by petert on Jun 16, 2021 19:43:11 GMT
That sounds fair, thanks. I'll suggest it to him.
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