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Search: Posts Made By: midibob
Forum: Troubleshooting Audio Equipment 05-11-2021, 11:28 AM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

You're welcome, glad you managed to get it sorted.
Forum: Troubleshooting Audio Equipment 05-03-2021, 08:35 AM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

I think it was just a .bmp file which any graphics package will open ie Paint or even Word.
Glad the info has been useful.:smile:
Forum: Troubleshooting Audio Equipment 04-27-2021, 01:01 PM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

Hi Adalberto,

All the info is in this thread. It's very simple as the design is basically the same as the IC spec sheet.

Good luck
Bob
Forum: Troubleshooting Audio Equipment 04-05-2021, 08:56 AM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

No, they all went I'm afraid.

The low ESR cap was necessary otherwise there was internal feedback. I did document this way back in the thread. The type you need is shown in the installation...
Forum: Troubleshooting Audio Equipment 04-04-2021, 12:31 PM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

Hi Yvan, as the post above says I won't be making anymore.

Happy Easter to you too.
Bob
Forum: Troubleshooting Audio Equipment 03-25-2021, 02:39 AM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

Hi, I'm afraid I don't make them anymore. I posted all the build details a little way back in this thread so people could make their own.

Cheers
Bob
Forum: Troubleshooting Audio Equipment 02-06-2021, 12:39 PM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

Have you checked the resistor is ok? The only other thing would be the diodes.
Forum: Troubleshooting Audio Equipment 01-30-2021, 08:40 AM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

Hi, not looked at these for a long time so I can't remember what was on the small board? I'm thinking there was just a diode to prevent reverse voltage being applied but I don't have a unit easily...
Forum: Troubleshooting Audio Equipment 05-05-2020, 08:17 AM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

How's this?
Forum: Troubleshooting Audio Equipment 05-03-2020, 11:36 AM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

I doubt very much I'll be making any more of these so I'm going to publish the installation instructions for anyone who wants to make their own. There is no schematic as such as it's so simple. It is...
Forum: Troubleshooting Audio Equipment 03-09-2020, 02:20 AM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

Message sent.
Forum: Troubleshooting Audio Equipment 01-13-2020, 04:04 AM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

Hi, unfortunately I don't have any more made at present. If I get more requests I will do another batch but demand has tailed off over the last year or so.

I'll send you a PM.
Forum: Troubleshooting Power Supplies and Power Supply Design 11-04-2019, 12:49 PM
Replies: 5
Views: 1,354
Posted By midibob
Re: Globalscale Sheeva Plug

Actually it has got a fuse, one of those tiny ones that looks like a ceramic resistor. Didn't spot it untill I had a closer look.
Once the main cap was swapped out it wouldn't fire up. After a few...
Forum: Troubleshooting Audio Equipment 10-30-2019, 08:08 AM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

Hi Arnold,
Unfortunately I've just recently sold the last one. I've not got any plans of making more unless there is at least 5 requests. Keep an eye on this page for any updates.
I'll send you a...
Forum: Troubleshooting Power Supplies and Power Supply Design 10-27-2019, 02:10 AM
Replies: 5
Views: 1,354
Posted By midibob
Re: Globalscale Sheeva Plug

No mains fuse!!!! :eek:

OK on RS too. I'll probably still wait till I need a few more bits which won't be long I'm sure.
Forum: Troubleshooting Power Supplies and Power Supply Design 10-26-2019, 08:43 AM
Replies: 5
Views: 1,354
Posted By midibob
Globalscale Sheeva Plug

This device is only a few years old but it started losing it's Ethernet connection intermitently. Just recently it was getting worse and would only stay on line for about a minute before dropping the...
Forum: Troubleshooting Audio Equipment 10-14-2019, 02:52 AM
Replies: 255
Views: 52,116
Posted By midibob
Forum: Troubleshooting Audio Equipment 06-22-2019, 01:25 AM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

One thing to be aware of, if you're not already, is be careful about what you connect to the speaker output. Both speaker wires are above ground potential and if you plug the speaker output into...
Forum: Troubleshooting Audio Equipment 06-11-2019, 07:50 AM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

The following is all based on the original Mini3 as I've never played with the 2G.

I would probably just make up a small interface box with the jack going to the headphone socket and another lead...
Forum: Troubleshooting Audio Equipment 05-14-2019, 09:55 AM
Replies: 255
Views: 52,116
Posted By midibob
Forum: Troubleshooting Audio Equipment 01-24-2019, 09:07 AM
Replies: 255
Views: 52,116
Posted By midibob
Forum: Troubleshooting Audio Equipment 01-12-2019, 10:47 AM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

Glad to hear it all went well.:cheers:
Forum: Troubleshooting Audio Equipment 01-01-2019, 01:58 PM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

PM's sent to BlueBert and Larsc88.
Happy New Year.

Bob
Forum: Troubleshooting Audio Equipment 11-19-2018, 02:08 PM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

Hi, I need to make up a new batch which will take a couple of days. I'll PM you in the meantime.

Bob
Forum: Troubleshooting Audio Equipment 10-28-2018, 03:54 AM
Replies: 255
Views: 52,116
Posted By midibob
Re: Vox mini 3 amp

Have a look at the thread I found with my original question to TI. It makes you wonder if anyone knows to be honest.;)
...
Showing results 1 to 25 of 250

 
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