Runoffgroove - Ruby Amp

Tube or solid-state, this section goes to eleven!

Runoffgroove - Ruby Amp

Postby grrrunge » 30 Nov 2011, 00:27

I whipped up a vero for the ROG Ruby amp tonight - thought i might give it a go, though it's maybe not as compact as i could be. It sounds pretty nice, and is supposed to go in a cardboard box along with a speaker i salvaged from an old tv :) I built mine with a 2N5457. J201's work fine as well.

Here's the vero - verified and all...
ruby.png
You do not have the required permissions to view the files attached to this post.
A true believer in the magic of Sherwood Forest Pedal Pirates
---
New base of operations: http://www.knucklehead.dk

For this message the author grrrunge has received thanks: 3
IvIark (07 Feb 2012, 19:14), rocklander (30 Nov 2011, 00:37), sinner (30 Nov 2011, 00:30)
User avatar
grrrunge
Diode Debunker
 
Posts: 759
Joined: 20 Mar 2010, 11:51
Location: Copenhagen, Denmark
Has thanked: 59 times
Have thanks: 210 times

Re: Runoffgroove - Ruby Amp

Postby sinner » 30 Nov 2011, 00:32

Thanks :) I may give it a go. I have two tinny speakers saved from my old, crashed mac. It will sound geeky with those speakers, but hell... why not :)
sinner
Old Solderhand
 
Posts: 4808
Joined: 06 Nov 2008, 18:16
Location: ...no more
Has thanked: 1240 times
Have thanks: 1101 times

Re: Runoffgroove - Ruby Amp

Postby grrrunge » 30 Nov 2011, 15:08

I decided that i liked this one enough to try and compact the layout a bit. It's not verified yet, but should be accurate ;) Here you go:

RUBY-VERO-V2.png
You do not have the required permissions to view the files attached to this post.
A true believer in the magic of Sherwood Forest Pedal Pirates
---
New base of operations: http://www.knucklehead.dk
User avatar
grrrunge
Diode Debunker
 
Posts: 759
Joined: 20 Mar 2010, 11:51
Location: Copenhagen, Denmark
Has thanked: 59 times
Have thanks: 210 times

Re: Runoffgroove - Ruby Amp

Postby geiristudio » 07 Feb 2012, 18:32

Which ohm speakers can you connect to this ?
geiristudio
Breadboard Brother
 
Posts: 127
Joined: 02 Jun 2011, 16:40
Has thanked: 3 times
Have thanks: 21 times

Re: Runoffgroove - Ruby Amp

Postby rizibiz » 07 Feb 2012, 19:30

Here is my (VERIFIED) version of the one knob Bassman modded Ruby Amp
Image

Sorry for the lots of jumpers and the jumper crossing. I really wanted to make it as small as possible.
Fits nicely in a 1590A
I built this last week and used a 8ohm 12" 70W speaker for it. It sounds okay to me.

First post BTW (thank you for all the knowledge here).

For this message the author rizibiz has received thanks: 3
IvIark (07 Feb 2012, 21:19), rocklander (07 Feb 2012, 19:49), sinner (07 Feb 2012, 19:34)
User avatar
rizibiz
Breadboard Brother
 
Posts: 51
Joined: 05 Dec 2011, 09:26
Location: Tremolo springs
Has thanked: 6 times
Have thanks: 23 times

Re: Runoffgroove - Ruby Amp

Postby kleuck » 07 Feb 2012, 21:12

Just a suggestion : put a 1 watts resistor of 1/4 the impedance of your speaker, in series in the output.
Randall Aïken said :
Q: Is there any advantage to using solder with a 2% silver content?
A: Yes. Silver solder keeps werewolves away from your amp.
User avatar
kleuck
Cap Cooler
 
Posts: 469
Joined: 16 Nov 2008, 00:24
Location: France
Has thanked: 44 times
Have thanks: 31 times

Re: Runoffgroove - Ruby Amp

Postby rizibiz » 07 Feb 2012, 21:30

kleuck wrote:Just a suggestion : put a 1 watts resistor of 1/4 the impedance of your speaker, in series in the output.


kleuck, I'll try it on the weekend. What does this exactly do?

For those who are interested pics of my build:
Image
Image
User avatar
rizibiz
Breadboard Brother
 
Posts: 51
Joined: 05 Dec 2011, 09:26
Location: Tremolo springs
Has thanked: 6 times
Have thanks: 23 times

Re: Runoffgroove - Ruby Amp

Postby kleuck » 07 Feb 2012, 21:34

I don't want to spoil, it's an experiment, i hear a big difference, want to know if someone else hears the same.
I tried with a true guitar cab (and that's the point...somewhat) so if anybody is willing to make the resistor switchable (just short it) and test with a good cab....
Actually i used a LM380, but doesn't matter.
Tiny built :wink:

I make a buffer in this enclosure : Image
Randall Aïken said :
Q: Is there any advantage to using solder with a 2% silver content?
A: Yes. Silver solder keeps werewolves away from your amp.
User avatar
kleuck
Cap Cooler
 
Posts: 469
Joined: 16 Nov 2008, 00:24
Location: France
Has thanked: 44 times
Have thanks: 31 times

Re: Runoffgroove - Ruby Amp

Postby rizibiz » 07 Feb 2012, 21:51

Allright then, I still have a free DPDT switch next to my pot. :D That was used to switch the 220pF cap on the volume lug but I didn't notice any difference so I finally left out entirely. :hmmm:
Anyways I breadboarded the original two knob Ruby and this 'Bassman' modded one and liked the later better with my Strat. Still somewhat sterile but I don't expect too much from such a low cost low part count build. Btw I drived a real 12" guitar cab with it. Plenty of volume for apartment practice.

Nice brushed enclosure kleuck. Love it. :applause:
User avatar
rizibiz
Breadboard Brother
 
Posts: 51
Joined: 05 Dec 2011, 09:26
Location: Tremolo springs
Has thanked: 6 times
Have thanks: 23 times

Re: Runoffgroove - Ruby Amp

Postby kleuck » 07 Feb 2012, 22:08

Well, not really brushed...

Image
Randall Aïken said :
Q: Is there any advantage to using solder with a 2% silver content?
A: Yes. Silver solder keeps werewolves away from your amp.
User avatar
kleuck
Cap Cooler
 
Posts: 469
Joined: 16 Nov 2008, 00:24
Location: France
Has thanked: 44 times
Have thanks: 31 times

Re: Runoffgroove - Ruby Amp

Postby grrrunge » 07 Feb 2012, 22:41

kleuck wrote:I don't want to spoil, it's an experiment, i hear a big difference, want to know if someone else hears the same.
I tried with a true guitar cab (and that's the point...somewhat) so if anybody is willing to make the resistor switchable (just short it) and test with a good cab....
Actually i used a LM380, but doesn't matter.
Tiny built :wink:

I make a buffer in this enclosure : Image

That buffer looks good! :) I'm gonna try the resistor trick as well ;)
A true believer in the magic of Sherwood Forest Pedal Pirates
---
New base of operations: http://www.knucklehead.dk
User avatar
grrrunge
Diode Debunker
 
Posts: 759
Joined: 20 Mar 2010, 11:51
Location: Copenhagen, Denmark
Has thanked: 59 times
Have thanks: 210 times

Re: Runoffgroove - Ruby Amp

Postby kleuck » 07 Feb 2012, 22:45

Thanks guys ! Hope you will hear something interesting (BTW, a 1/4 watts should be fine actually, i used a 1 watt one as the LM380 is a 2 watts IC, not useful with a 386)
Randall Aïken said :
Q: Is there any advantage to using solder with a 2% silver content?
A: Yes. Silver solder keeps werewolves away from your amp.
User avatar
kleuck
Cap Cooler
 
Posts: 469
Joined: 16 Nov 2008, 00:24
Location: France
Has thanked: 44 times
Have thanks: 31 times

Re: Runoffgroove - Ruby Amp

Postby kleuck » 18 Feb 2012, 12:12

So, did you hear something ?
Randall Aïken said :
Q: Is there any advantage to using solder with a 2% silver content?
A: Yes. Silver solder keeps werewolves away from your amp.
User avatar
kleuck
Cap Cooler
 
Posts: 469
Joined: 16 Nov 2008, 00:24
Location: France
Has thanked: 44 times
Have thanks: 31 times

Re: Runoffgroove - Ruby Amp

Postby grrrunge » 18 Feb 2012, 22:44

kleuck wrote:So, did you hear something ?


I haven't tried it yet, but i'm still excited to do so. Gotta get me som more free time :?
A true believer in the magic of Sherwood Forest Pedal Pirates
---
New base of operations: http://www.knucklehead.dk
User avatar
grrrunge
Diode Debunker
 
Posts: 759
Joined: 20 Mar 2010, 11:51
Location: Copenhagen, Denmark
Has thanked: 59 times
Have thanks: 210 times

Re: Runoffgroove - Ruby Amp

Postby rizibiz » 19 Feb 2012, 14:59

kleuck wrote:So, did you hear something ?


I'm going to be honest. I didn't. :oops:
I ran it through my 12" 70W guitar speaker 1x12 cab but no noticeable difference for me with or without the resistor.
User avatar
rizibiz
Breadboard Brother
 
Posts: 51
Joined: 05 Dec 2011, 09:26
Location: Tremolo springs
Has thanked: 6 times
Have thanks: 23 times

Re: Runoffgroove - Ruby Amp

Postby kleuck » 19 Feb 2012, 16:54

Shit, anyway i used a 1 ohms for a 3 ohms speaker, more obvious result i suppose, i'm gonna make a little TBA820M amp and give it a try with different resistors.
Randall Aïken said :
Q: Is there any advantage to using solder with a 2% silver content?
A: Yes. Silver solder keeps werewolves away from your amp.
User avatar
kleuck
Cap Cooler
 
Posts: 469
Joined: 16 Nov 2008, 00:24
Location: France
Has thanked: 44 times
Have thanks: 31 times


Return to Amplifiers

Who is online

Users browsing this forum: No registered users and 1 guest