Post by randalp3000 on Jun 10, 2015 9:08:31 GMT -7
Sorry to disagree with you Mike. I have compared my V2 with the Ghia schematic that's floating around and it was a match to the ghia. I think the big differance between the V1 and V2 is bigger transformers.
from the website of discontinued models
Note: Production of this amp was suspended in April 2006.
The first Mazerati was custom built for a customer who wanted a "higher powered Carmen Ghia." Brad Paisley with a pair of Mazeratis and a Maz 18 Junior With four EL-84s, the Mazerati was twice the power as the Ghia, and sounded very nice. It was good on its own. Then, Country Music star Brad Paisley requested a replacement for his aged Vintage Vox AC-30, and the evolution of the Mazerati began. The Evolution of the Mazerati.
Dr. Z says, "I had read in the Mullard Design Manual about a technique of using a split load cathode bias setup. Since Mullard is responsible for the best sounding EL-84's, I took their advice. All cathode biased amps generate the bias voltage from one resistor, so the average of the four tubes is summed together to form the bias voltage. The split load setup uses two larger valued resistors to split the set of outputs and generates a more accurate bias voltage. Now both halves of the output rise to a more balanced symmetry, giving a balanced tone with increased sustain. This setup also eliminates the need for perfectly matched "Quads" of EL-84s. The next step was to upgrade the power transformer by a factor of three. This increased the bandwidth of the amp, firmed up the low-end response, and gave the amp a perfect string to string balance with totally opened up the tone of the amp. After that, I increased the Global Negative Feedback for a touch more clean headroom. The Mazerati uses tru Global Feedback, which is injected into the first preamp tube.
Finally, I increased the power supply filtering to eliminate any hint of Ghost Notes, and to increase the dynamic response.
Z Wreck set #200 Galaxie #35 6545 Route 66 #93 Mazerati GT, #76 & #? Stingray Prescription V1 #116, 186, 190 Presciption Combo with reverb #150 Maz 38 sr. Komet K60 Morgan RCA35 Satellite Atom Perkins 6aq5 super lead and lead amps Z 1x12 shorty w/Gold Custom Thiele 1x12 cab with a Gold Phaustine Phantom Perkins guitars and lots of Les Pauls Cobra Drive & Cusack Effects
In either case, it's a great sounding amp. There is a fatness to the amp that is really cool while still keeping the chime of the EL-84's.
Red NOVA 1x12 #006 EMS Head Mazeratti 30th Anni Therapy #005 Carmen Ghia 1x10 Combo Monza 1x10 Combo Z Lux Prototype 1x12 Galaxie chassis In the house (Mini Z and Delta 88 B) (3) Parker Nite Flys OMS MIM Telecaster G&L ASAT Classic S Dr Z Combo used as a 2x12 www.greatcables.com cables never fail sitting the box, they only fail when you need them, don't buy poor quality, they will let you down
I would also weigh in on the question "What does it sound like?" I can easily make mine sound like a very muscular Vox, but minus any weakness in tone. Depending on which speaker cabinets, and speakers I use it will also do really great AC/DC Malcolm rhythm. The two knobs on the amp are all you need on the amp. The guitar volume knob is super important to discovering the amp. The only dirt box I have ever used is a germanium Beano type pedal, or a fat boost to push the front end. If you know how to turn the guitar volume knob it is a very versatile amp, just like all the good Dr.'s two to three knob amps!
Route 66 Galaxie 1 X 12" Prescription RX ES MAZERATI V 2 Monza 1 x 12" combo EZG 50 1 x 12" combo Stangray head Antidote JAZ 20/40 2 X 10"
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roscoenyc: I have never in my life experienced tube rattle. That said, I've only been playing electric guitar for 49 years.
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capofirstfret: I've experienced tube rattle in two different amps that I've had. In both cases I bought the rubber rings from Eurotubes and it fixed it for me.
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