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DC3 Gridlock

Well-known member
Joined
Feb 23, 2010
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Location
Tampa Bay, Florida USA
Hi,

My Marshall JCM 800 combo is in the shop getting a speaker upgrade (2 vintage 1982 G12-65's) and tune up and I have recently got to spend more time using my DC3. Last December I bought the DC3 (used but in mint condition) with the intentions to use it as practice amp and as a more portable backup amp for short weeknight rehearsals and for gigs with the band.

Originally I was not totally impressed with the DC3, the gain channel was a little raspy and not as warm as I would have preferred, I wasn’t sure about the Vintage 30 speaker, and the reverb does not seem to have the same effect (can barely hear the reverb) on the gain channel as it does on the clean channel. The clean channel is great with almost Fender-like sparkly clean tones but different.

At one time, was actually thinking of selling the amp and getting an Orange TT to fill practice and backup amp needs. But the more that I have tweaked the DC3’s tone knobs and settings during practices at home at low volumes (I live in a condo), and during rehearsals with the band, the more I love the amp.

The DC3 took quite a bit of dial tweaking and experimentation until I found my tone. I am usually not a fan of amps with more than 8-10 knobs. My Marshall has just 5 knobs, so it is not hard even for me to find good tone. I usually just don’t have the time with the band or patience to experiment the tone knobs in order to find my tone. Once my tone is found it’s usually set it and forget it. Fortunately I found the patience to experiment with DC3’s tone settings. I am still not happy with the reverb output on the gain channel but a Holy Grail Reverb pedal seems to have helped fill gain channel reverb needs.

Lately I have been learning some Metallica songs from the Black Album. I am working on these at home and at low volumes. The DC3 still sounds great getting Metallica tones at low volumes. It should be noted that I believe that tubes are original and that no modifications have been done to the amp.

After purchasing the two G12-65’s speakers for my Marshall combo I am left with the Marshall’s original G12M-70’s. I plan to soon purchase either an Avatar or MojoTone 2x12 cabinet and also a Dr. Z Airbrake. I can’t wait to experiment with the new 2x12 cabinet and the attenuator with both my DC3 and Marshall. Tone may improve with both amps and both amps already have great tone.

I may still get an Orange TT to add to my collection but the DC3 is a keeper.

FYI. I am fairly new to this forum and I have only started a few threads myself. Most of my threads were started sometime ago. Sorry. I enjoy this forum and others like it and it would be great to see more new DC3 threads on tone settings, speakers, and other DC3 information. Let’s keep the new threads rolling.

Doug
 
The DC-3 is an amazing amp. A few of suggestions...

If you haven't already, read the manual. The controls do not work anything like a normal amp. Mid should be labeled "Gain 2".

Don't waste your money on the Attenuator. It sucks too much tone. The DC does just fine at low volume with a little tweaking. Note: the Master and Output level MUST be above 1.5 for it to sound right.

Check the reverb driver tube - you might want a hotter tube in that position.

Change your output tubes now. If they are old it will make a HUGE difference. EL-84 tubes run hot and don't last that long. But they are cheap!

Edit: one more - Try a ported ext cab such as a Thiele, Z-best or Port City. You will be blown away by your DC.
 
GD_NC said:
Check the reverb driver tube - you might want a hotter tube in that position.

Change your output tubes now. If they are old it will make a HUGE difference. EL-84 tubes run hot and don't last that long. But they are cheap!

Edit: one more - Try a ported ext cab such as a Thiele, Z-best or Port City. You will be blown away by your DC.

GD,

Thanks for the info. I have read the manual a few times. I knew about the V shape on the EQ and the mid being a second gain. I am sure that my amp is due for a check up and new tubes. Guess that I will do that once I get my Marshall back from the shop. Not sure if I can take it to my local guitar/amp shop or if I will need to go to an authorized Mesa dealer. Years ago when I owned a Studio 22+ very few shops would work on it so I always took it to a Mesa store which was expensive.

The Dr Z attenuator is primarily for my Marshall which is way loud. I am waiting for the local guitar shop to get a delivery of the Dr Z’s so that I can test one with my JCM800 before I buy.

Hey I know someone with the initials GD who was a NC Programmer, who has a Gibson Les Paul’s, who once lived in Florida, and currently lives "down south". Could you be one in the same? If so it is really a small world.

Doug
 
I'm a new DC-3 owner, have owned a DC-5 and currently a DC-10, and really like the little amp. Once you understand the DC's controls it is a very easy amp to dial in. Mine came with a Celestion V12-60 instead of the V30. At first I was going to replace it but surprising to me it is a good sounding speaker. Not real efficient so when I'm using an extension cabinet it isn't very balanced. Speaker swaps seem to be one of the easiest mods to do that make the most dramatic difference.
 
DC3 Gridlock said:
GD,

Thanks for the info. I have read the manual a few times. I knew about the V shape on the EQ and the mid being a second gain. I am sure that my amp is due for a check up and new tubes. Guess that I will do that once I get my Marshall back from the shop. Not sure if I can take it to my local guitar/amp shop or if I will need to go to an authorized Mesa dealer. Years ago when I owned a Studio 22+ very few shops would work on it so I always took it to a Mesa store which was expensive.

The Dr Z attenuator is primarily for my Marshall which is way loud. I am waiting for the local guitar shop to get a delivery of the Dr Z’s so that I can test one with my JCM800 before I buy.

Hey I know someone with the initials GD who was a NC Programmer, who has a Gibson Les Paul’s, who once lived in Florida, and currently lives "down south". Could you be one in the same? If so it is really a small world.

Doug

Nope sorry that 's not me. Never Lived in FLA. NC = North Carolina

I wouldn't worry about taking to a shop. Just order a set of Mesa tubes - Mesa's are fixed bias. There is nothing to adjust.

The weak reverb on Lead ch is a common complaint and perfectly normal for a DC-3.
 

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