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21
Amplifier Discussion / Re: Happy New Year!
« Last post by joecool85 on January 10, 2019, 08:51:19 AM »
I'm glad to hear you are enjoying the site !  :tu:
22
The Newcomer's Forum / Re: Update on Londoner L100A amp
« Last post by psafloyd on January 09, 2019, 06:13:38 PM »
You don't need a 6A switch, you need a switch rated 6A or more.
If the 15A will fit, use it.
If not, post some pics and measurements (bushing diameter), I'm sure there are switches available that will work.

Thanks for the advice.


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23
Amplifier Discussion / Happy New Year!
« Last post by solderer25 on January 09, 2019, 03:04:41 PM »
Just like to wish everyone on SSG forum a very Happy New Year.
There are many useful sites of information on the web and this is definitely one of them.
Newcomers are made welcome and even simple questions/requests are responded to with considered and knowledgable replies.
Please keep it that way!
We all had to start somewhere so lets keep making that learning journey fun.
24
Amplifier Discussion / Re: Hotone Nano Amp Heads
« Last post by flester on January 09, 2019, 11:14:34 AM »
In which case they may sound a bit like my diy tda2003 amp so probably not worth my buying one. Looking for something to feed my diy 1x12 cab. At rhe moment I'm using various pedals with my diy amps and happy with that for now. I also play a lapsteel BTW.

Sent from my SM-G935F using Tapatalk

Just because they use a TDA2003 does not mean it will sound anything like your amp at all.  By definition, chip amps do not color the sound.  The "sound" of the amp is defined by the preamp.
OK fair enough. Havent seen them in shops to try out but planning to buy or build something for my 1x12 cab


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25
The Newcomer's Forum / Re: Update on Londoner L100A amp
« Last post by g1 on January 08, 2019, 02:32:16 PM »
You don't need a 6A switch, you need a switch rated 6A or more.
If the 15A will fit, use it.
If not, post some pics and measurements (bushing diameter), I'm sure there are switches available that will work.
26
Amplifier Discussion / Re: Hotone Nano Amp Heads
« Last post by joecool85 on January 08, 2019, 12:38:25 PM »
In which case they may sound a bit like my diy tda2003 amp so probably not worth my buying one. Looking for something to feed my diy 1x12 cab. At rhe moment I'm using various pedals with my diy amps and happy with that for now. I also play a lapsteel BTW.

Sent from my SM-G935F using Tapatalk

Just because they use a TDA2003 does not mean it will sound anything like your amp at all.  By definition, chip amps do not color the sound.  The "sound" of the amp is defined by the preamp.
27
Amplifier Discussion / Re: Hotone Nano Amp Heads
« Last post by flester on January 08, 2019, 07:46:38 AM »
In which case they may sound a bit like my diy tda2003 amp so probably not worth my buying one. Looking for something to feed my diy 1x12 cab. At rhe moment I'm using various pedals with my diy amps and happy with that for now. I also play a lapsteel BTW.

Sent from my SM-G935F using Tapatalk

28
Amplifier Discussion / Re: Hotone Nano Amp Heads
« Last post by lapsteelman on January 07, 2019, 11:17:20 PM »
Scrolling through I saw this post from awhile ago... I believe there was discussion about these on Freestompboxes.... I believe they use the TDA2002 or TDA2003.. Fun little amps!
29
The Newcomer's Forum / Re: Update on Londoner L100A amp
« Last post by psafloyd on January 07, 2019, 05:00:37 PM »
If the original switch can't be found you may need to look at mounting a different type of switch.
I assume the original is a round hole mount with metal toggle.
There are plenty of 10Amp plastic package rocker switches around now but they are mostly square cutout type.


Re the speaker socket.
Who knows why,, without seeing the unit I have no idea but a lot of amps do have a switching setup so that when the external speaker jack is used it turns off the internal speakers.
This avoids the low ohms issue that can often burn out the power amp.
If the parametric EQ pot is stuffed that will cause wacky sounds, the amp may even oscillate and squeal like a pig. :o
In my experience, the can of cleaner will only be a temporary fix and likely cost more than a new pot. 8|
Phil.

Yes, round hole metal toggle. Seen on/off/on ones, but most on/on are 15A. But most switches are the plastic rocker style as you said. Would mean cutting a larger hole in the panel.

The EQ pot works, but the depth pot next to it makes awful noises when moved.

Thanks again.


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30
The Newcomer's Forum / Re: First real build. LM386.
« Last post by phatt on January 07, 2019, 12:39:44 PM »
Hey some nice blues riff there :tu:
BTW, looks like you are driving a hifi type speaker box,, if so then be aware they are woofers and generally have a low SPL,, a real guitar speaker will give a much bigger sound,, louder per watt of input.
Phil.
A friend has a 12" guitar speaker I can use. Time for a bit of joinery I think


Sent from my SM-G935F using Tapatalk
Works as a harmonica amp too. I made the mic using a headphone speaker. The black box on the right contains a Kemo preamp module, needed to overdrive the amp. A Danelectro overdrive pedal works too. https://flic.kr/p/22mhiVv

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Amp seems to have got more 'scratchy' since I first used it. Usually if I slightly overdrive it but its OK when I run it flat out (i.e. give it the full 0.75W !). Could some component have deteriorated  from being overdriven? or did I just not notice at the start?

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If you changed the speaker then you will hear different freq than you heard through other speakers. It was likely there you just did not notice it.
Phil.
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