SKU: 31063196925

PrimaLuna EVO 300 Tube Preamplifier

Sale price$3509.55 Regular price$3899.50
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Description

PrimaLuna EVO 300 Tube PreamplifierAC OFFSET KILLER A PRIMALUNA EXCLUSIVE AC Offset Killer is about goose bumps. The ones you get when music comes out of a background so quiet, you may say to yourself Just how is this possible? PrimaLuna custom winds our own massive toroidal power transformers that are low in hum and EMI. But we wanted more. Our engineers designed the AC Offset Killer to lower transformer noise to a place no other manufacturer dreams of going, regardless of how bad

AC OFFSET KILLER - A PRIMALUNA EXCLUSIVE

AC Offset Killer is about goose bumps. The ones you get when music comes out of a background so quiet, you may say to yourself “Just how is this possible?” PrimaLuna custom-winds our own massive toroidal power transformers that are low in hum and EMI. But we wanted more. Our engineers designed the AC Offset Killer to lower transformer noise to a place no other manufacturer dreams of going, regardless of how bad your electricity is. The result? Sense of space. Texture. The resonance of an acoustic guitar or violin string that seems to trail on forever. The AC Offset Killer will amaze you.

TAKMAN RESISTORS

If you bought a lesser amplifier, you would pay hundreds to make this upgrade. Easy to identify through their pink color, these premium resistors from Japan are popular with those who rebuild and upgrade their gear. "Modders" love TAKMAN for their low noise, linearity, and musicality.

DUAL TOROIDAL POWER TRANSFORMERS

Power transformers generate two types of noise, magnetic and acoustic. That's why toroidal power transformers are used in the very best audio products. Compared to standard transformers, toroids radiate about 1/10 the magnetic field that pollutes music and obscures detail. Additionally, the absence of an air gap typically means toroids have an 8:1 reduction of acoustic noise. As transformers are the most expensive components in any audio product, manufacturers will even house cheaper C-core and EI-core transformers in an outboard power supply box with an umbilical cable rather than upgrade to an expensive toroid. The increased cost is significant, but PrimaLuna doesn’t cut corners. All PrimaLuna products use massive, potted toroidal transformers. PrimaLuna transformers are enclosed in a metal housing and then potted in a non-microphonic resin to further reduce noise and to protect the windings from moisture and deterioration forever. They are massive, resulting in a preamp weighing a substantial 31 pounds.

TUBE RECTIFIED

In the world of preamps, experts agree that tube rectification is the gold standard. It’s quieter than solid state rectification, dropping the noise floor. And it offers the most natural, textured, and vibrant presentation because the circuit is now pure tube. But because it is expensive to implement, you’ll only find it in the top of the line models typically costing $10,000 or more. Finding a preamp using one rectifier tube is sweet. PrimaLuna goes even further using two 5AR4 rectifier tubes in a dual-mono design to present your music with a three-dimensionality that will give you goosebumps.

JAPANESE ALPS BLUE VELVET POTENTIOMETER

The best tube preamps use analogue volume controls. Not volume control chips. Look inside the most well-known brand of tube preamps and you will see a chip called a DS1666-10 Digital Resistor IC. At Primaluna, we understand the temptation to use this chip as they cost $4 each (half that in quantity!). The preamp will sound fine and be quiet, but true to “chips” it will add an electronic “sheen” to the sound. PrimaLuna prefers analogue. And we use the Gold Standard in motorized potentiometers: The iconic Alps Blue Velvet. Why? Because they track perfectly, stay quiet, and don’t sound like chips!

SUPERQUIET LINE INPUTS

Input selector switches leak noise and signals from other sources, as they never turn off the other inputs completely. And, they deteriorate with age, requiring the use of cleaners. Many are mounted on the front panel requiring long runs of wires to the back panel inputs. These wires pick up stray noise from RF and EMI.

PrimaLuna has a better way. Instead of a switch, input selection is done using premium quality sealed relays mounted in the rear where you plug in your components. When an input is selected, that relay closes giving you the best connection possible. All the other relays are left open, so noise and signals from other sources can’t leak in. The signal path is now almost non-existent, so there are no wires to pick up noise.

POINT TO POINT WIRING

You spend a lot of money on interconnects. So why have the signal go right from the RCA jacks or speaker terminals into circuit boards with copper traces so thin you can hardly see them? What’s high-end about that?

PrimaLuna employs Point to Point Wiring on all products. The entire signal path, including resistors and capacitors, is painstakingly hand wired with heavy-gauge cable by craftsman.

DUAL-MONO DESIGN

Expensive and exotic preamps always use a dual-mono design to achieve a level of imaging not possible otherwise. Most manufacturers don’t employ dual-mono because of expense. It requires two power transformers, double regulation circuits, and in fact….everything is double. In effect, dual-mono means building two discrete and separate preamps into one box. It is so expensive to build, it’s a rarity even at the highest price points. All PrimaLuna preamps are dual-mono for the ultimate in stereo imaging and a sense of space that goes on forever.

SMARTGAIN DESIGN

A preamplifier is typically not required to add any gain to your system when you are using it. It is usually lowering gain from the source you are listening to. The number one complaint from audiophiles about preamp performance is noise. So why is it that so many manufacturers design preamps with 20 to 27dB of gain? And you wonder why there is "hiss", and why tubes go noisy or microphonic? PrimaLuna preamps use SmartGain. With a gain specification of only 10.8dB, you will find your PrimaLuna preamp is as quiet as a church mouse. If tubes are less than perfect, you may never know it because they are not amplifying as "loud". High efficiency speaker owner's rejoice!

PERFECTMATCH

Another exclusive PrimaLuna feature is PerfectMatch, a circuit designed to present a perfect 100K ohm impedance to your source components. This is vitally important especially for tube source components, such as phonostages and DACs to sound their very best.

Specifications

  • Output: 2V / CH
  • Frequency Response: 18 Hz – 38 kHz +/- 1 dB, 12 Hz – 75 kHz +/- 3 dB
  • THD: < 0.5% @ 2V
  • S/N Ratio: 93 dB (100 dB A weighted)
  • Input Impedance: 220 kOhm
  • Input Sensitivity: 650 mV for rated output at maximum volume
  • Gain: 9.7 dB
  • Power Consumption: 61 Watts
  • Weight: Net weight: 52.8 lbs / 24 kg, Shipping Weight: 63.8 lbs / 29 kg
  • Dimensions: 15.9" x 15.2" x 8.1" / 405 x 385 x 205 mm (L x W x H)
  • Shipping Dimensions: 22.7" x 18.4" x 12.4" / 577 x 468 x 315 mm (L x W x H)
  • Inputs: 5 pairs Stereo RCA, 1 pair Home Theater Input
  • Outputs: 1 pair RCA Tape, 2 pairs Stereo RCA
  • Tube Complement: 2 x 5AR4, 6 x 12AU7
  • Output Impedance: 256 Ohm
  • Remote Control: Full
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 31063196925

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4.2 ★★★★★
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Verified Purchase
CJ
Port Orchard, US
★★★★★ 5
Works great, rugged, and worth the money!
Color: Black/Gray
Just purchased my second of this watch as a replacement. The first lasted about four years of abuse before the straps started to crumble. No battery or other issues. It had survived Afghanistan, numerous field exercises, mud, sweat, rain, wind, etc. and was well worth the $35 I spent on it. It is easy to adjust the time and has a handy 2nd time feature if you're between two time zones frequently or jut want to know the time back home. Everything else is what one would expect from the Ironman series. Lightweight, good backlight (indiglo), not obnoxiously large, rugged, good chrono/timers/alarms.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 26, 2014
D
Verified Purchase
DCJ
Fort Morgan, US
★★★★★ 4
Good Watch
Color: Black/Gray
I have an old 30 lap Ironman. This one is larger than my previous one and has more features. It took me a little while to fully figure out how the new "occasion" feature works, but I can honestly say that I will probably never use that feature. This is a good watch, but the old one is easier to read at an angle. I did not measure the angle that the other segments become visible enough to interfere with viewing the time, but I do know that it is less than my old one. I have to twist my wrist a little more to view the time than I did with the old one. My old one is over 10 years old and still keeps excellent time. I replaced the strap and battery a couple times. The plastic part on top of it broke off when I dropped it at the airport about a year ago. Eventually the whole top fell off. I glued a plastic piece on to replace the "start/split" button. The wife decided that my repair was too ugly to wear in public. I still wear the old one around the house just to bother her! Hopefully this new one will last as long. I may have to get a Velcro strap for this one. The plastic one looks better, but the Velcro type is more comfortable.
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Reviewed in the United States on September 22, 2014
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Verified Purchase
L.S.
Belleville, US
★★★★★ 5
Good watch that can take a beating
Color: Black/Gray
I have owned a Timex IronMan watch for almost 2 decades now and this will only be the 4th one I’ve bought. I wear it every day, and I rarely take it off except when I shower, but that is just because I want to wash my wrist. Between my time in the military, working on cars, swimming, and wildland firefighting I have never had one break on me. I’ve never even had a battery actually die. Every time I’ve replaced a watch is because the backlight eventually got so faint I couldn’t read the time in the dark. I have had the pin that holds the clasp on come off once, but that was when I had my hand jammed down in an engine trying to remove a part and the watch got caught because I didn’t take it off first. The only thing I am not crazy about is the size of this watch. Being a creature of habit, I normally get the smaller Ironman, but I thought I’d try something different and I guess it will just take some getting used to. Overall I am very pleased with this watch.
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Reviewed in the United States on August 26, 2022
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Verified Purchase
Peggy O.
Omaha, US
★★★★★ 5
Good watch
Color: Black/Gray
I've had other Timex watches like this one and they have always been reliable and easy to use. I want a watch that has a large face and can be seen when I'm exercising or in low light. I use the timer feature often and it is great. I'm very pleased with this watch. I know it's a men's watch but I'd love to see more Timex watches for women with large faces, similar features and bolder colors.
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Reviewed in the United States on January 20, 2024
L
Verified Purchase
Linda
West Palm Beach, US
★★★★★ 5
Very nice
Color: Black/Gray
I am a female but like the big face, easy to read. Light weight, very comfortable. Timex has always put out a great product.
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Reviewed in the United States on September 13, 2024

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