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Author Topic: Pics of completed Overtones  (Read 320750 times)
hurtwoodec
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« Reply #315 on: April 11, 2013, 11:33:46 PM »

hey Tom, I noticed you have built in a buffered loop. Did you use a kit for this like the one from London Power?

Adam
« Last Edit: April 11, 2013, 11:36:41 PM by hurtwoodec » Logged

Carol Ann OD-2
OTS 50 modded and modded
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plasticvonaband
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« Reply #316 on: April 12, 2013, 04:55:23 AM »

Nicely done, Tom!

Gregg
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Overdrive is like peanut butter. Some like it crunchy, some like it creamy.
Bluesmaster 50 2x12 combo and some guitars.
Tom Vernon
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« Reply #317 on: April 12, 2013, 08:59:30 AM »

Cheers Gregg

SoundPerf, I'll do that, I made a video showing the different sounds yesterday, but had some technical issues, (which translates as me being crap at getting the recording onto youtube!), I'll try again when I get a minute:)

Adam, the buffered loop was a clater earlier in it's life. I didn't implement that mod, it was done by Steve Carter, awesome engineer/human being in NW England. He did the reverb mod as well.

I'll start a new thread on it, and try and get hold of the schematic for the reverb and buffered loop mods. I know Steve made a schematic by reverse engineering...
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eazilyled
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« Reply #318 on: July 04, 2013, 10:10:56 AM »

Here's my completed build.

It's a 50w OTS I built from a kit.
For transformers, I used Hammond bassman type replacements (PT 291DEX, OT 1760L, Choke 194B).
I had to drill some new mounting holes for these, but it wasn't too difficult.
I also went for the 'heater wires in the air' approach.
For tubes, I used some old Mullard ECC83s in V1 / V2, a new Tungsol in V3 and TAD 6L6s in V4 / V5.

My voltages were a touch high initially (477V at power tube plates, ~200V at V1 plates), so I increased the 3K3 dropper resistor to 4k7.
This got the preamp plate voltages down a touch, so I ended up with ~190V at V1 plates.
I also adjusted the PI trimmer for a 6V difference at the V3 plates.

I didn't build the head cab, I got that from Tube Town.
I had to drill the mounting holes in the cab, but again that wasn't too difficult once I'd made a paper template of the chassis.

I'm really pleased with the sound of the amp. It sounds really full bodied with the 2x12 cab I have.
I'll probably invest in a G1265 loaded cab and a C-Lator eventually.


* IMG_20130703_153352.jpg (742.79 KB, 3264x1836 - viewed 1198 times.)
« Last Edit: July 04, 2013, 12:02:18 PM by eazilyled » Logged
eazilyled
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« Reply #319 on: July 04, 2013, 10:11:48 AM »

Here's a gut shot of the amp.


* IMG_20130321_211353.jpg (3413.62 KB, 3264x2448 - viewed 1424 times.)
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captainbackfire
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« Reply #320 on: August 24, 2013, 01:46:20 PM »

 Grin Cool Build! Nice Cab! Didn't know they still come in white chassis like mine (2012)

What did lowering the voltage do to the tone /response of the amp? I've been investigating this for a long time now. Thanks.
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Fenderick
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« Reply #321 on: September 30, 2013, 12:55:35 AM »

Both of my 50 watt overtone specials
Mods
Tone stack.
Front VOX grill & "D" Faceplate


* Naylor & Ceriatone.jpg (259.12 KB, 720x589 - viewed 1093 times.)

* Marshall, Naylor & Ceriatone.jpg (315.7 KB, 720x808 - viewed 1140 times.)

* ceriatone1.jpg (159.7 KB, 720x396 - viewed 1066 times.)
« Last Edit: September 30, 2013, 12:57:53 AM by Fenderick » Logged
gordon of eden
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« Reply #322 on: November 01, 2013, 09:11:51 PM »

Here are a few shots of my new Ceriarolannatone that I just received.
I bought the chassis from a friend and had Taylor at Amplified Nation build the cab based on a CA design.
Thanks Taylor, I love this thing!!!

/Users/david/Pictures/iPhoto Library/Modified/2013/Oct 24, 2013_3/IMG_20131024_230359_948.jpg/Users/david/Pictures/iPhoto Library/Modified/2013/Oct 24, 2013_3/IMG_20131024_230309_984.jpg/Users/david/Pictures/iPhoto Library/Modified/2013/Oct 24, 2013_3/IMG_20131024_230151_303.jpg


* IMG_20131024_230359_948.jpg (988.15 KB, 1499x1659 - viewed 967 times.)

* IMG_20131024_230309_984.jpg (1786.16 KB, 2273x1782 - viewed 1032 times.)
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Am_I_Evil
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« Reply #323 on: January 07, 2014, 09:14:38 PM »

These amps sounds great..., what about their loudness? Are they to laud like plexis and DC30?  
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Fenderick
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« Reply #324 on: January 07, 2014, 10:05:00 PM »

Both of my 50 watt overtone specials are Loud!!!
Mods
Tone stack.
Front VOX grill & "D" Faceplate


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TennAmp
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« Reply #325 on: March 05, 2014, 03:07:33 PM »

HRM Bluesmaster 50 in a denim covered cab -




And then built into a Dumble style combo cab with C-Lator slot -


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Mngnt
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« Reply #326 on: September 09, 2014, 01:58:44 AM »

Happy to finally be able to post.

BM50 with D-Style cabs (oval back).

One cab has an ET90 (amazing).
The other is an Emi RWB (not amazing).  To be replaced with something else TBD.

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Mngnt
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« Reply #327 on: September 27, 2014, 03:26:53 AM »

Well, I swapped out the RWB for a WGS Retro30.

All I can say is, WOW.  The Retro30 has the Fendery sparkle without the ice pick or flabby bass.  The ET90 is that great full tone.  Together they're amazing.

Highly recommended.  I can't believe how little I paid for these speakers, considering how good they sound.
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Sam Slick
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« Reply #328 on: November 12, 2014, 11:53:37 PM »

Here my latest... OTS lunchbox. The speaker cab started off as a Hammond PR 40 tone cab. I built the head cab to match it.


* image.jpg (827.67 KB, 1936x1936 - viewed 952 times.)

* image.jpg (777.06 KB, 1936x1936 - viewed 901 times.)

* image.jpg (784.94 KB, 1936x1936 - viewed 862 times.)
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Plato
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« Reply #329 on: December 15, 2014, 05:11:11 PM »

Just finished my Mini-OTS with good working simple build-in-reverb


In addition to my HRM50, which has it's place in our rehearsalroom permanently, I ordered a Lunchbox-OTS
as a bedroom-amp (it's placed in my office actually).


The amp itself was built by ceriatone.
The cabinet is my work, built from simple pinewood, stained in mahagony-red.
The finish is glossy clear lacquer, normally used for boats.

I really wanted a build-in reverb, so I just put a "tc hall of fame" on top of the chassis (held
by magnets - so it can easily be removed).

To get rid of the external power supply I chose the following solution:
I ordered a voltage converter (12V-9V, usually applied to cars) and solded it to 12V and ground
inside the amp. The 9V output of the converter was connected to a low-voltage-jack I installed in
the chassis.

To make the reverb-control accessible, I mounted the frontgrill with magnets. A lug at the top of
the grill allows to pull it out easily.

The tube-protection at the rearside is welded 5mm round-bar steel.


Well, it sounds great with a single g12-65.
Especially the implementation of the reverb unit without external power-supply (which
was nothing but an experiment at the beginning), was a success.


For anyone interested, I attached some pictures to make things clearer.

Andreas Wink







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