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Author Topic: Just got my HRM Bluesmaster 50w kit! (and build pictures)  (Read 34212 times)
sduck
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« Reply #30 on: November 26, 2010, 03:41:12 AM »
Today, over the course of 2 hour long sessions, finished up the main board wiring.



Here's a closer view of V1-3



And a closer view of V4-5

* ampkit 033.jpg (305.54 KB, 1024x718 - viewed 619 times.)

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* ampkit 035.jpg (223.13 KB, 1024x631 - viewed 638 times.)
« Last Edit: February 20, 2013, 05:56:29 PM by sduck » Logged
mcinku
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« Reply #31 on: November 26, 2010, 06:31:31 AM »
Are you going to leave those wires like that? Definitely not a standard D-style wiring on those preamp sockets... normally those wires would go against the chassis parallel to each other.
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sduck
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« Reply #32 on: November 26, 2010, 04:28:54 PM »
Oh - I wasn't aware of that. Hmmm. Just took another look at your pictures - I see. Again, hmmm.

I am capable of wildly overthinking this, and as I'm brand new at this the overthinking can go wildly wrong. I think that I was trying to keep the wires carrying the signals away from the heater wires for some reason. Would putting them over by the grounded chassis make a difference? They're not shielded wires to begin with, so I'd doubt it, but again, I just don't know.

I'm not excited about the idea of moving these wires unless it's deemed a Really Good Idea™ because most likely it'll involve cutting and splicing little pieces onto each of those wires.
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rogb
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« Reply #33 on: November 26, 2010, 05:53:37 PM »
Put the heater wires up and neatly twisted (look at some D-style examples) and the other wires parallel and flat on the chassis.
These amps are very sensitive to lead dress and this can affect tone, sustain, bloom and BUZZZZZZZ Grin

Don't splice wires, it will look a mess, redo it with new wire.

I really would advise you to follow accepted methods with D style amps, otherwise you will be in for a rough ride when you get it going.
« Last Edit: November 26, 2010, 05:56:25 PM by rogb » Logged
mcinku
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« Reply #34 on: November 26, 2010, 07:12:51 PM »
Wires wired in parallel will add some capaticance which help recreating that famous smooth D tone.
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sduck
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« Reply #35 on: November 26, 2010, 09:57:53 PM »
Thanks, guys. I may well change the wiring around, depending on the results. One thing I know for sure is that the amp will still work with the wires where they are, just maybe not ideally. But if it doesn't meet expectations, I'll know at least one thing to fix. I appreciate your catching that for me!

I finished the power board today and did all the little final things - installed the knobs, nitpicky cleaning of the interior, etc. I will be giving everything a second thorough once-over to make sure all wiring, parts, etc are in the right place. And I still have some testing to do before powering it up. I do not want flames to be a part of the first powering up of this amp!
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sduck
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« Reply #36 on: November 27, 2010, 04:14:13 AM »
IT WORKS!!!!!!!

I assembled all the last little parts pieces. Then triple checked everything, mechanically and electrically. One big problem I caught was that I installed the power and standby switches upside down - followed the layout a little too literally on those. Hence they have new labels - maybe if I get around to rebuilding parts of this those will get flipped, but in the meantime the new labels will have to do. Installed the tubes, attached the footswitch and speakers, then powered it on, and the tubes starting glowing nicely. Plugged in a guitar, and it made sounds!!! Tested all the knobs and switches, and they all work as their supposed to. Even the deep switch works the right way. No extraneous hums or buzzes. I was only able to just turn it on barely, as my daughter had just gone to bed, but I'll sure be playing it a lot in the next few... years?



Now it's on to building a cabinet for it. I've got a lot of nice red oak left over from some synth cabinets I built last year, although I don't know, it's kind of heavy... hmmm.


* ampkit 036.jpg (168.02 KB, 1024x557 - viewed 670 times.)

* ampkit 037.jpg (164.37 KB, 1024x541 - viewed 616 times.)

* ampkit 038.jpg (196.3 KB, 1024x535 - viewed 644 times.)
« Last Edit: February 20, 2013, 05:58:40 PM by sduck » Logged
bobgoblin
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« Reply #37 on: November 27, 2010, 11:12:35 AM »
Awesome!  Been following this thread from the start, great job, congrats on the new build.  Play the snot out of it now!
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« Reply #38 on: November 27, 2010, 12:30:04 PM »
Congrats and thanks for sharing your build. It's been interesting.
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citizen
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« Reply #39 on: November 28, 2010, 05:22:48 AM »
Enjoy your new amp compadre Smiley I'm still learning with mine- they're a very versatile amp with a LOT of tones inside.
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« Reply #40 on: November 28, 2010, 08:03:58 AM »
Don't forget, your amp won't sound as good as it could before a good burn in is done.... so play it as much as you can.
 Wink
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« Reply #41 on: November 29, 2010, 01:30:45 AM »
Quote from: mcinku on November 28, 2010, 08:03:58 AM
.... so play it as much as you can.
 Wink

Yes sir!!! Spent a good hour or more today trying out the new toy. (First I set the bias level). This thing is Really Amazing Sounding. The clean sounds are out of this world fantastic, just about anywhere you set the knobs (within reason). I had to do some tweaking of the OD tone pots, which will probably take a few more tries before it's perfect, but it's pretty close at the moment. The stock settings sounded like a heavy blanket had been thrown over the amp, so I turned the treble trimpot up to about 11:30 and it sounds a lot better. Overall I'm very happy!
« Last Edit: November 29, 2010, 01:32:20 AM by sduck » Logged
212Mavguy
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« Reply #42 on: November 29, 2010, 03:28:14 AM »
Saaaawwweeeeeeet!
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sduck
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« Reply #43 on: February 20, 2013, 06:01:06 PM »
2 years later, still has the original tubes I installed, still sounds amazing!


Green Amp front by sduck409, on Flickr


Green Amp back by sduck409, on Flickr
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gigs
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« Reply #44 on: February 22, 2013, 02:33:03 AM »
Great job.

What speakers are you using?
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