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Author Topic: Electronics help please  (Read 2925 times)

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zirk

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Re: Electronics help please
« Reply #15 on: 18 August 2013, 15:28:22 »

I want one of those Zirk. Make me one,theres a good fella. :y ;D
The only time I bother picking up  guitar is to play along to music on youtube.Obviously the volume of the amp (even very low) drowns out the speaker on my laptop. Hence the last time I bothered trying was the Christmas before last. :-[ ::)

Any bits like this that you need doing Albs, just let me know,  :y
« Last Edit: 18 August 2013, 15:35:59 by zirk »
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Big_Al

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Re: Electronics help please
« Reply #16 on: 18 August 2013, 15:28:36 »

id personally set up a series of resistors and link them to the tablet through a circuit protection device to allow for the note C minor,on the pre out volume I would run it through a 40watt monofilament bulb to reduce the impedance and amalgamate a varied magnitudal ampage inverter switched simply through a 3 way rocker switch  :y
simple really  :-* ;D

sounds good but have not got a 40 foot HGV trailer to carry around in  ;D ;D ;D ;D ;D ;D ;D

PS. by the way  . .    C minor   is either a chord  or a key  not a note  ;) ;)    ;D ;D ;D
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hercules

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Re: Electronics help please
« Reply #17 on: 18 August 2013, 15:32:32 »

id personally set up a series of resistors and link them to the tablet through a circuit protection device to allow for the note C minor,on the pre out volume I would run it through a 40watt monofilament bulb to reduce the impedance and amalgamate a varied magnitudal ampage inverter switched simply through a 3 way rocker switch  :y
simple really  :-* ;D

sounds good but have not got a 40 foot HGV trailer to carry around in  ;D ;D ;D ;D ;D ;D ;D

PS. by the way  . .    C minor   is either a chord  or a key  not a note  ;) ;)    ;D ;D ;D
testing you there big al,i knew that  ::)
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zirk

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Re: Electronics help please
« Reply #18 on: 18 August 2013, 15:34:49 »

I want one of those Zirk. Make me one,theres a good fella. :y ;D
The only time I bother picking up  guitar is to play along to music on youtube.Obviously the volume of the amp (even very low) drowns out the speaker on my laptop. Hence the last time I bothered trying was the Christmas before last. :-[ ::)


Sorry Albs  ,     only available from Zirk & Essex Al  (patented & copyrighted)   Enterprises  ;D ;D ;D ;D


albs tried taking a 3.5 mm stereo jack from your compuer headphone /line out & putting into your stereo aux input .I've  been doing that for  years now  . . .seems to work well for practice purposes  ;) ;) unless your using a Marshall stack or similar for practice

In simple terms. Wee small jack at one end of the lead,and a big one on the other end,yes ?  :-\ ;D ;D.....are such leads generally available.
The amp is a Marshall btw..............................................................................10w practice amp. :D

Does it have a separate Aux in though?.
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Big_Al

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Re: Electronics help please
« Reply #19 on: 18 August 2013, 15:38:41 »

Thanks Chris,
                      seems simple enough. But  I could be totally wrong here , that sketch looks like mono . Is it just the case of converting the  stereo lead from the device (stereo . . .2 x  hot tips  & 2 commons to a mono plug with the 2 hots linked to the one hot tip of a mono plug ?

Presume it will be 3.5 stereo plugs in & out from the FiiO as well

Also which tag on the pots  . . thinking theres usually 3 ?  or are these all linked  & any one will do ?  :-\ :-\ :-\

Although I used 2 devices yesterday  . .   it is my plan to use just the tablet as I can get all my backing tracks  (250 odd) on the one device in various playlist formats.

The problem with tablet is altering the volume is very hap hazard  . . .either full on  or almost off  . . it is difficult to get a small defined adjustment with out fiddling for a second or two   . . probably because of my "banana sized " fingers  :-[ :-[ :-[

Yep, mono, is your Amp stereo?, if so just double up with Dual Gang Pots or Sliders (Sliders can go noisy after a while due to the crap that can get in them), being Logarithmic you need to wire them correctly, as you say 3 pins per channel, the sliders are normally marked which one needs to go to ground, the Pots with 3 pins work as per Volume control so as you look down on it from the front, left would be ground, centre i/p and right o/p ie clockwise, if that makes sense..

If your amp is mono, which I suspect it is, then just short Left and Right on all the inputs jacks.  ;)

On the level side just put your devices on near full volume and let the mixer do the rest. ;)

yep mono guitar amp .  Think i've got it now  . . . was just confirming about linking left & right where a mono plug is required  :y
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Big_Al

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Re: Electronics help please
« Reply #20 on: 18 August 2013, 15:43:09 »

I want one of those Zirk. Make me one,theres a good fella. :y ;D
The only time I bother picking up  guitar is to play along to music on youtube.Obviously the volume of the amp (even very low) drowns out the speaker on my laptop. Hence the last time I bothered trying was the Christmas before last. :-[ ::)


Sorry Albs  ,     only available from Zirk & Essex Al  (patented & copyrighted)   Enterprises  ;D ;D ;D ;D


albs tried taking a 3.5 mm stereo jack from your compuer headphone /line out & putting into your stereo aux input .I've  been doing that for  years now  . . .seems to work well for practice purposes  ;) ;) unless your using a Marshall stack or similar for practice

In simple terms. Wee small jack at one end of the lead,and a big one on the other end,yes ?  :-\ ;D ;D.....are such leads generally available.
The amp is a Marshall btw..............................................................................10w practice amp. :D

Does it have a separate Aux in though?.

i may have confused things here for you albs . .  i meant  . .take a 3.5mm from your laptop line out/headphone & plug into your home hi fi aux input . these may be 2 x phono plugs . . .  but all these hybrid leads are avaiable from Teralec at rochford essex.

It would also work if you have an aux  or MP3 / CD  input on your marshall amp . But unlikely on that model i think  :-\ :-\
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zirk

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Re: Electronics help please
« Reply #21 on: 18 August 2013, 15:46:05 »

Thanks Chris,
                      seems simple enough. But  I could be totally wrong here , that sketch looks like mono . Is it just the case of converting the  stereo lead from the device (stereo . . .2 x  hot tips  & 2 commons to a mono plug with the 2 hots linked to the one hot tip of a mono plug ?

Presume it will be 3.5 stereo plugs in & out from the FiiO as well

Also which tag on the pots  . . thinking theres usually 3 ?  or are these all linked  & any one will do ?  :-\ :-\ :-\

Although I used 2 devices yesterday  . .   it is my plan to use just the tablet as I can get all my backing tracks  (250 odd) on the one device in various playlist formats.

The problem with tablet is altering the volume is very hap hazard  . . .either full on  or almost off  . . it is difficult to get a small defined adjustment with out fiddling for a second or two   . . probably because of my "banana sized " fingers  :-[ :-[ :-[

Yep, mono, is your Amp stereo?, if so just double up with Dual Gang Pots or Sliders (Sliders can go noisy after a while due to the crap that can get in them), being Logarithmic you need to wire them correctly, as you say 3 pins per channel, the sliders are normally marked which one needs to go to ground, the Pots with 3 pins work as per Volume control so as you look down on it from the front, left would be ground, centre i/p and right o/p ie clockwise, if that makes sense..

If your amp is mono, which I suspect it is, then just short Left and Right on all the inputs jacks.  ;)

On the level side just put your devices on near full volume and let the mixer do the rest. ;)

yep mono guitar amp .  Think i've got it now  . . . was just confirming about linking left & right where a mono plug is required  :y

Yep, just to confirm you cant use a mono plug in a stereo output socket (ie, headphone) as you only get one channel, the other channel will be shorted to ground by the mono plug design, so stereo plug and short left and right together.  ;)
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albitz

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Re: Electronics help please
« Reply #22 on: 18 August 2013, 15:48:23 »

I want one of those Zirk. Make me one,theres a good fella. :y ;D
The only time I bother picking up  guitar is to play along to music on youtube.Obviously the volume of the amp (even very low) drowns out the speaker on my laptop. Hence the last time I bothered trying was the Christmas before last. :-[ ::)


Sorry Albs  ,     only available from Zirk & Essex Al  (patented & copyrighted)   Enterprises  ;D ;D ;D ;D


albs tried taking a 3.5 mm stereo jack from your compuer headphone /line out & putting into your stereo aux input .I've  been doing that for  years now  . . .seems to work well for practice purposes  ;) ;) unless your using a Marshall stack or similar for practice

In simple terms. Wee small jack at one end of the lead,and a big one on the other end,yes ?  :-\ ;D ;D.....are such leads generally available.
The amp is a Marshall btw..............................................................................10w practice amp. :D

Does it have a separate Aux in though?.

i may have confused things here for you albs . .  i meant  . .take a 3.5mm from your laptop line out/headphone & plug into your home hi fi aux input . these may be 2 x phono plugs . . .  but all these hybrid leads are avaiable from Teralec at rochford essex.

It would also work if you have an aux  or MP3 / CD  input on your marshall amp . But unlikely on that model i think  :-\ :-\

Amp has a socket which says "CD in / emulated line out" would that do the job with a lead from my laptop. Don't even have a home hi-fi anyore Al,but would be playing at work anyway.
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zirk

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Re: Electronics help please
« Reply #23 on: 18 August 2013, 15:50:19 »

I want one of those Zirk. Make me one,theres a good fella. :y ;D
The only time I bother picking up  guitar is to play along to music on youtube.Obviously the volume of the amp (even very low) drowns out the speaker on my laptop. Hence the last time I bothered trying was the Christmas before last. :-[ ::)




Sorry Albs  ,     only available from Zirk & Essex Al  (patented & copyrighted)   Enterprises  ;D ;D ;D ;D


albs tried taking a 3.5 mm stereo jack from your compuer headphone /line out & putting into your stereo aux input .I've  been doing that for  years now  . . .seems to work well for practice purposes  ;) ;) unless your using a Marshall stack or similar for practice

In simple terms. Wee small jack at one end of the lead,and a big one on the other end,yes ?  :-\ ;D ;D.....are such leads generally available.
The amp is a Marshall btw..............................................................................10w practice amp. :D

Does it have a separate Aux in though?.

i may have confused things here for you albs . .  i meant  . .take a 3.5mm from your laptop line out/headphone & plug into your home hi fi aux input . these may be 2 x phono plugs . . .  but all these hybrid leads are avaiable from Teralec at rochford essex.

It would also work if you have an aux  or MP3 / CD  input on your marshall amp . But unlikely on that model i think  :-\ :-\

Amp has a socket which says "CD in / emulated line out" would that do the job with a lead from my laptop. Don't even have a home hi-fi anyore Al,but would be playing at work anyway.

Yep. :y
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albitz

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Re: Electronics help please
« Reply #24 on: 18 August 2013, 15:57:10 »

Best get me a lead then,Cheers. :y
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Big_Al

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Re: Electronics help please
« Reply #25 on: 18 August 2013, 16:07:16 »

Best get me a lead then,Cheers. :y

no probs  . . .  laptop end will be 3.5 mm stereo jack  (  little one in your terms  ;D ;D )

CD in on your marshall will probably be 6.5mm or 1/4 "  in old terms .

easy way out is just to get a 3.5mm  to 6.5mm  adaptor ,where the the small 3.5mm jack coming from the laptop plugs into this & then the adaptor being 6.5mm goes straight in your amp  . .   sorted  :y

If i know for sure the plug sizes for both the laptop out  & amp CD input I can get you one . But probably got a couple knocking about here anyway  ;) ;)



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albitz

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Re: Electronics help please
« Reply #26 on: 18 August 2013, 16:11:00 »

I might have an adaptor among all my tat here Al.Will have a look .If  not I will give you a shout. :y
Thanks Al & Zirk :y
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Big_Al

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Re: Electronics help please
« Reply #27 on: 18 August 2013, 16:27:53 »

albs  . .  post up or pm me the actual model number of the marshall amp .

i'm thinking that the Cd input on the amp  could be 2 x phono plugs.  Not a problem  . . just need to know ;)
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Kevin Wood

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Re: Electronics help please
« Reply #29 on: 18 August 2013, 21:40:41 »

If you have issues with varying volumes on MP3s, remember that a lot of ripping software will normalise the level of the music during the ripping process, so you can standardise on a level and make all your tracks the same. :y
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