Description
With the success of the DragoN Stereo Amp Rogue was looking to make a defining statement with their award winning tube/Class D hybrid amplifiers. An amplifier that blends brute power with musicality, finesse, and accuracy. Amplifiers that authoritatively control virtually any loudspeakers.
These new amplifiers are much more than simply a tube circuit placed in front of a class D output section. Our proprietary tubeD circuit topology actually integrates the tube section into the amplifier yielding the smooth natural sound that only a tube amp can provide. With uncanny accuracy the Dragon Monoblocks deliver stunning dynamics and transparency without any of the edgy, etched, or grainy sound that often accompanies solid state designs.
A low power standby mode allows critical components to remain on and fully warmed up without wasting electricity or tube life. A slow start feature allows the tubes to warm up gradually to eliminate turn-on noise and greatly extend tube life. Three massive linear power supplies are used to power the amplifier circuitry and ultra-high quality parts are used throughout the amplifier. Combined with a stunning appearance, you can be certain that you are investing in an amplifier that truly represents the very leading edge of audio technology.
General Features
- NCore Hypex Modules
- Massive high storage power supply
- True balanced and single ended inputs
- Heavy-duty gold plated XLR and RCA inputs
- (2) 12AU7 tubes
- Short circuit protection
- Standby circuit for solid state components
- Slow start circuit for extended tube life
- 1/2" machined and engraved faceplate
- Heavy-duty gold plated binding posts
- All precision components
- Heavy (2 ounce) copper circuit board
- Machined aluminum faceplate
- Matched pairs of signal tubes
- Entirely designed and built in the USA
- Fully tested, burned-in, and auditioned
- 3 year limited warranty (6 months on tubes)
- Output power: 325/525 8/4 Ohms
- Frequency response: 20Hz - 20KHz ± 1dB
- THD: <0.1% typ., <1% at rated power
- Input sensitivity: .75V RMS
- Input impedance: 30K Ohms
- Dimensions: 12½"W x 5.5"H x 19"D
- Weight: 33lbs. ea.
- Power requirements: 120/240V - 50/60Hz
Specifications subject to change without notice
"The DragoN uses a tubed input stage and Hypex's NCore MOSFET class-D module in the output stage. Rogue says that a global feedback circuit that includes the front-end's ECC802S tube forces the class-D output to behave (and sound) like a tube circuit.
There are balanced and single-ended inputs. The specified power is 325W into 8 ohms and 525W into 4 ohms. JD used a pair of Rogue DragoNs to power his ESS hybrid-electrostatic loudspeakers and concluded that the monoblocks unveiled new takes on his favorite recordings.
"The class-D power and dynamics spoke to the younger me, who craves those overwhelming sensations that result, above all, from loudness, and the today me who appreciates the DragoNs' excellence at bringing less dynamic music to life at lower volumes, offering me considerable pleasure within the constraints of everyday real life."
On the test bench, the DragoN clipped at 127W into 8 ohms and 226W into 4 ohms, both powers lower than specified, though the amplifier exceeded the specified powers if the clipping definition was relaxed from 1% to 3%. Distortion was relatively high in level, even at moderate powers, but fortunately, the distortion signature was predominantly the subjectively innocuous second harmonic.
JA concluded that the Rogue DragoN's measured performance is dominated by the use of a tube in the input stage. "This amplifier offers high power," he wrote, "but with high levels of second-harmonic distortion." (Vol.47 No.3 WWW)"
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