Deacy build thread.

Steenamaroo

Steenamaroo

...
Hey all.

Some of you might know I'm planning to build a deacy amp.
I'm hoping to have the parts for the main amp by Christmas. If not, It'll be new year.

What I do have though is
A diy treble booster that I'm going to build into the amp.
An Lpad for attenuating the master output.
A DC socket for power
and
A ragged old speaker cab to put it all in.

Here are a few pics to get it started.

Back removed.
The visible driver's suspension is stuffed, but the-other one was OK.
1 opened.JPG




Wires tidied and master attenuator fitted.
Note this speaker has a tweeter and attenuator for it. I'm gona leave that in.

pot fitted.JPG



Master volume pot.

pot outside.JPG




Here's an i-phone movie of a quick test.
I'm flicking between a blackstar H-T-1 built in speaker, and this speaker as a cab.

The next thing to do is to fit the treble booster board and mount the gain+volume pots, bypass switch and input jack.

Stay tuned. :)
 
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Nice one Steeno.
That little speaker sounds good for what it is. I hope it does your deacy proud. :)
That little BlackStar's compact but sweeeeeeet.
 
Cheers Rich. :)

Here's stage 2.

This is the blank space where the deacy amp will go.
1 empty.JPG

This is the other side with the booster board mounted and everything else loose.
2 board.JPG

That's a little bit neater. :)
3 pots inside.JPG

Pots and knobs mounted. The deacy controls will go in a line between input and master volume.
4 pots outside.JPG

Added a wee handle. Why not?
5 handle.JPG


And another test video to make sure I didn't balls anything.
This is into the blackstar, just using this new cab as a big booster pedal.
 
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That booster sure has some umph.
Is your master volume done on the LPad? from the amp output (eventually)
Is it a stereo one? Looks a bit like one. Maybe your controlling both speakers.
Which Lpad did you use? I mean ohms. 4?
looking good matey so far.
 
Well spotted; It is a stereo L-pad.

I couldn't find a 4 ohm one so I got a stereo 8 ohm one and wired it up in parallel.
It will eventually be between the amp board output and the speaker.
 
Cool. FYI, my keyboard amp had the speaker foam go out. There's a place here in town that recones. Had it done a long time ago. Place is still here. You never know what you'll find in your own backyard.
 
Thanks for the info, Jin. :)

I'll store that-other one away incase I need to do that. I don't imagine findin a good 6" or 6.5" guitar speaker is an easy job.
 
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I love the way this project is heading!

"By the sweat on my brow, and the soldering iron scorches on my fingers..."
 
I'm just going to put the finishing touches to my deacy project over the next few days then i'll post up some pics and advice for first timers like myself. Yep I'm a kit virgin but even i can make the deacy.
Not without the invaluable help of mr Steen who has been a rock.
Thanks
 
Its sound good if you keep the guitar volume down . Turn it up and its break up city.
I cant wait to see how it reacts with the treble booster.
 
kip4 said:
Its sound good if you keep the guitar volume down . Turn it up and its break up city.
I cant wait to see how it reacts with the treble booster.
Click to expand...


What kind (and impedance) of speaker are you using?
It should certainly distort with a full input, but it should be nice.

6" 4ohm is recommended.
 
Please remind me how to wire up the dc walwart plug so it dissables the battery when plugged in.
Thanks
 
You should have three solder terminals.
One is pin, one is shield and the other just operates as a switch to the pin terminal.

Call it shield 1, pin 2, switch 3.
Battery pos get's wired to 3, which is continuous with 2 when there's no jack plugged in.

When you plug in the jack it physically separates 2+3 so battery positive (3) goes nowhere and psu pos goes to 2.
 
Thanks mate.
I just had a quick go with the treble booster again you have to keep it on the low but it sounds awesome.
I cant wait to do some recording with it
thanks for the info re the 9v walwart . i'll test the plug to see which is which what does what and wire it up thanks
 
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