
( Brand: Audio Research ), ( Manufacturer Part Number: REFERENCE600MKIII ), ( Country/region Of Manufacture: United States )
The Audio Research Reference 600MKIII Mono Tube Power Amplifier is a masterpiece of audio engineering, designed for audiophiles seeking the ultimate in sound quality. This mono amplifier is the third iteration of Audio Research's renowned Reference Series, and it builds upon the legacy of its predecessors with several significant improvements.
The 600MKIII is a pure Class A, single-ended triode design, utilizing six 6550 output tubes. This configuration provides an unparalleled level of warmth, detail, and dynamic range, delivering music with an emotional depth that is simply captivating. Each tube is hand-selected and tested for optimal performance, ensuring that every 600MKIII leaves the factory with a truly exceptional sound.
The amplifier's chassis is crafted from a combination of high-grade aluminum and steel, providing excellent mechanical and electrical shielding. The result is a robust and elegant design that is both visually appealing and built to last. The front panel features a classic, minimalist look with only the essential controls, including input selection, gain, and power on/off.
The 600MKIII's power section is equally impressive, delivering a continuous power output of 300 watts into 8 ohms and 600 watts into 4 ohms. This ample power allows it to drive even the most demanding loudspeakers with ease, delivering clean and detailed sound at any volume level. The amplifier is also equipped with a custom-designed power transformer, which ensures stable and consistent power delivery, reducing distortion and improving overall sound quality.
The 600MKIII also features a sophisticated input circuit, which uses high-quality metal-film resistors, Polypropylene capacitors, and custom-wound inductors. This circuit allows the amplifier to handle a wide range of input signals, from low-level jazz recordings to high-energy rock concerts, with equal precision and clarity.
In use, the 600MKIII delivers a sound that is both powerful and intimate, with a sense of presence and detail that is simply breathtaking. The amplifier's warmth and richness lends itself well to vocals and acoustic instruments, while its ability to handle complex, multi-layered music with ease makes it an ideal choice for those who enjoy orchestral and symphonic music.
In conclusion, the Audio Research Reference 600MKIII Mono Tube Power Amplifier is a truly exceptional product that offers an unparalleled listening experience. Its hand-built construction, 6550 output tubes, and Class A design make it a standout in the world of high-end audio, delivering sound that is rich, detailed, and emotionally engaging. Whether you're a seasoned audiophile or simply someone who enjoys listening to music with the highest possible fidelity, the 600MKIII is an investment that will pay dividends for years to come.
Pros of Buying Audio Research 600 MKIII Monoblock Tube Power Amplifier:1. High-quality Sound: The Audio Research 600 MKIII is renowned for its exceptional sound quality. It delivers a rich, detailed, and balanced sound that is pleasing to the ear.
2. Tube Technology: Tube amplifiers like the 600 MKIII are known for their warm, musical sound character. They can provide a more natural and organic sound compared to solid-state amplifiers.
3. Power and Dynamics: With 300 watts of output power per channel, the 600 MKIII can drive most speakers with ease, providing a powerful and dynamic sound.
4. Build Quality: Audio Research is known for its high-quality build and craftsmanship. The 600 MKIII is made with high-quality components and is built to last.
5. Upgradability: The 600 MKIII can be upgraded with Audio Research's optional KT150 output tubes, providing even more power and dynamic range.
Cons of Buying Audio Research 600 MKIII Monoblock Tube Power Amplifier:1. Price: The 600 MKIII is a premium product and comes with a premium price tag. It may be out of reach for some budget-conscious audiophiles.
2. Maintenance: Tube amplifiers require more maintenance than solid-state amplifiers. Tubes can wear out over time and need to be replaced, which can be an additional cost.
3. Power Consumption: Tube amplifiers consume more power than solid-state amplifiers. The 600 MKIII consumes about 360 watts of power per channel at idle, which can add to your electricity bill.
4. Size and Weight: The 600 MKIII is a large and heavy amplifier, weighing about 60 pounds per channel. This may make it difficult to move around or find a suitable location for it.
Conclusion:If you are an audiophile who values high-quality sound and is willing to invest in a premium product, the Audio Research 600 MKIII Monoblock Tube Power Amplifier is an excellent choice. Its warm, musical sound character, power, and dynamics make it a great amplifier for music lovers who appreciate the sound of tube technology. However, its high price tag, maintenance requirements, power consumption, and size and weight may make it a less attractive option for budget-conscious audiophiles or those with limited space.
Recommendation:If you are in the market for a high-quality tube amplifier and are willing to invest in a premium product, the Audio Research 600 MKIII Monoblock Tube Power Amplifier is highly recommended. However, if you are on a tight budget or have limited space, you may want to consider other options that offer similar sound quality at a lower price point or with a smaller form factor.
Dual-tried 6h30 tubes are used as drivers for the output stage one per pair of 6550c. The same sonic improvements found in new ref300 can be obtained a mark ii factory update program for ref600. A standby mode limits tube current draw during warm up or between periods of operation. Bass extension, impact and control give immense weight to spectacular recordings like the gladiator soundtrack - these amps are simply unflappable.
Retail for the mkii factory update is per pair. The resulting sonic improvement is as musically significant it impressive. One Audio Research reference 600 mkiii mono tube power amplifier made in usa.
Output terminals are proprietary gold-plated 5-way binding posts. Variable control of meter illumination and internal cooling-fan speed is standard.
This proven, reliable combination is further refined by the extensive application of Teflon capacitors in Audio path. Reference 600 mkiii: 8 matched pairs 6550c power output, 4 regulators, 3 6n1p input follower, 6h30 driver the has sufficient bias adjustment range to allow use of any following output tube types: 6550, 6550b, 6550c, kt88, kt90, kt91, kt100. Options - msrp us new retail 29,990 pair reference ,990 pair, later increased to 39,990 600 mkii mkiii specifications power output 500 watts continuous at 16 ohms from 20hz 20khz with less than 1 total harmonic distortion typically. Operational features are identical to the previous mkii version, with one minor addition.
For those music lovers who require the ultimate in power delivery, new-build reference 600 mkii amplifiers are available at us. The sonic advance represented by new mkii is impossible to describe in a manner commensurate with experience of actually hearing them at length relaxed audition. Main power supply energy storage is rated at 669 joules.
Monitoring, real-time power output and tube biasing data kg per pair reviews Ta's issue 121 reference 600 mkii each is individually bias able from the front panel. At the same time, convenience and flexibility of original ref600 has been preserved. Measured frequency response 3 db points is 2 Hz to 200 khz. Front panels of both reference series model's are available in anodized natural aluminum or black at no extra cost.
Illuminated meters provide. Line voltage monitoring, and power-output observation the resulting improvement in sonic performance is, if anything, even more dramatic 600-watt flagship model. 17,495 each, or 34,990 the pair, suggested retail.
As in the ref3 ref 600 mkiii has been refitted with new Audio and power-supply circuit boards incorporating 6n1p tirades for initial gain excellent dynamics at this critical signal level. Power band width 3db points 12hz to 80khz frequency response at 1 watt 2hz 200 khz input sensitivity A 12v trigger mechanism has been added to allow for remote installation power on off. Suggested us.
Once again, these great mono blocks reign supreme: there is simply nothing else that comes close to the performance of ref 600 mkiii. 05 at 1 watt.
Never before have we heard such ease of delivery and absence electronic artifacts from any amplifier in our sound rooms. 3 cm w x 10.
Other dimensions reference 600 mk ii: 8 matched pairs 6550c power output, 4 regulators, driver input. 2 kg net shipped in pairs, 495 lbs.
The front-panel setup for monitoring and biasing output tubes remains unchanged. Connector and detachable cord.
Main power supply energy storage is rated at 669 joules front-panel controls and large, illuminated analog meters allow easy output-tube biasing,. Handles extend 8 cm forward weight 170 lbs.
Original ref600 units are literally taken apart and painstakingly rebuilt with new output circuit boards input regulator board, using all-new components. The rear panel is also retrofitted with a new three-pin, 20-amp.