Carver Sound and Audio

Carver Amplifier and Carver Audio Product Specs and Information
December 30, 2009


Carver MXR-2000 Amplifier Section
8-ohm FTC rated power/ch 200W
4/8-ohm FTC rated THD 0.15%
Rated full power bandwidth 1Hz to 30kHz +-0.1dB
Slew Rate >100
Dimensions (HxWxD inches) 5.5" H, 19" W, 17.9" D
Comments Protection: Short Circuit DC Offset Low/High Frequency Trip
Tuner Section
IHF Sensitivity mono/stereo,dBf 1.8uV
Capture ratio,dB 1.5dB
Seperation at 1kHz,dB 45dB
THD at 1kHz,stereo 0.1%
Maximum S/N,stereo,dB 78dB
PreAmp Section
Frequency response 20Hz to 20kHz + 0.5dB
Total Harmonic Distortion 0.05%
Phono input capacitance pF 47K ohm
MM S/N A-weighted 0.5v ref. 85dB
MC S/N A-weighted 0.5v ref. 76dB


Magnetic Field Amplifier technology. Sonic Holography. Asymmetrical Charge-Coupled FM Detector technology.
The major Carver technologies in one exquisitely full-featured, remote-control receiver.
Everything necessary for music enjoyment. Settle back in your chair and pick up the Carver Receiver 2000's infrared remote control.
Press the POWER button. Two hundred watts RMS per channel comes alive. Enough to give Compact Discs the impact and clarity they deserve. As the music comes to life, you realize it would be a superb candidate for Sonic Holography. Another touch of the remote control and you're suddenly at the performance, a part of the musical experience. Later on, you select one of your favorite FM stations from the six presets. And then switch to AM stereo for a ball game. All from the comfort of your chair.
The Carver Receiver 2000 has inputs for phono, compact disc player and even video sound sources. It allows 2-1 and 1-2 dubbing through dual tape deck inputs and outputs and selection of two sets of speakers or a combination.
Defeatable tone controls are provided for bass, midrange and treble as well as preset 'loudness' equalization curve for accentuation during low level listening.
The bright digital readout and signal strength LED's are only a hint of the high quality quartz synthesized FM section and AM STEREO circuitry within. Choose from six FM and six AM station presets, tune manually or use the Receiver 2000's automatic station search feature.
From the silky feel of the large, easy-to-use knobs, to the unswitched power sockets on the Receiver 2000's back, you'll find that no detail has been overlooked. Even if it didn't have three of Bob Carver's major innovations tucked inside it, the Receiver 2000 would be one of the finest receivers you could own.
Ample Power of Digital. Even before Compact Disc players, clipping distortion has been the critical listener's enemy. Speakers need electricity to move air. They use it to generate magnetic fields inside the voice coils of their drivers. As the coils are repelled by fixed magnets within the speaker, they move outward, pushing the speaker cone with them. It, in turn, transfers that movement to the air in your listening room. A drum beat sound on the record, energy flows to your speakers; the speakers push the air in some semblance of the original drum beat's impact.
The plain fact is, few receivers have the technical capabilities to provide enough power. They can translate say, 90% of a musical waveform into the power your speakers need. But just can't deliver that last 10%. Check out the graph in the Magnetic Field Amplifier section of this brochure. You'll notice the top of the impulse has been clipped off. That's where the phrase clipping comes from.
Even though most clipping happens as the receiver is trying to complete a bass waveform, audible distortion is generated in the treble range. Called clipping distortion, these impulses are spikes of non-musical, high-frequency power caused as the amplifier hits the bottom of its power reserves. At moderate levels, these spikes veil music with a thin film of distortion that occurs with every musical impulse.
Before Bob Carver the only way to get enough power to completely eliminate clipping distortion was to buy a traditional, brute-force power amplifier design or one of the very few adequately powerful receivers. They are very costly and inefficient because they produce a constant high-voltage level at all times-irrespective of the demands of the ever changing audio signal. Even when there is no signal to amplify conventional designs are drawling half power from your electrical outlet and converting it to heat!
The Carver Receiver 2000 uses a better way. A method of delivering the power speakers need without heat, bulk and distortion. The solution is elegant and effective.
Imagine a lightning-fast valve on your incoming power outlet. When power is needed, the valve senses the demand and opens, actually using the power of the actual power generator to deliver the needed current and voltage.
Note that this approach provides VAST POWER WHEN NEEDED during peak demands … without keeping excess around during lulls. The 'valve' we've described in the Magnetic Field Coil inside the Carver Receiver 2000. By delivering power only when needed, it can satisfy your speakers need for power while generating less heat and virtually no distortion.
The finest receiver FM section ever offered. The Carver Receiver 2000 employs Asymmetrical Charge-Coupled Detector technology which makes FM sound as good as other stereo sound sources. Free of background hiss and annoying interference. Even on stations which were previously too weak to enjoy.
FM was designed to be mono that is Left plus Right Channel added together (L+R). Later on, when stereo became the rage, an additional signal was added L-R, which carries stereo and ambient information and is decoded by your FM receiver.
Unfortunately, this important second signal (L-R) is extremely prone to mishaps between the transmitting tower and your FM tuner. These are usually induced by multi-path reflections off hills, building and the ground, causing more that one L-R signal to arrive at your tuner to confuse things.
The effect is much like that of TV picture ghosting which increases with the number of skyscrapers and tall hills between you and the tower. Even the most expensive FM tuners are tricked into reading this phase modulation as frequency modulation. In fact, the better the tuning circuit, the more easily it is delivered! The Receiver 2000 can cut through this frustrating problem, though.
It takes advantage of the fact that almost all noise and distortions is in the L-R signal portion. And for every instantaneous noise or distortion voltage on one channel, there is a replica in the opposite channel.
The Carver Charge-Coupled circuit detects these dirty, mirror images and cancels them before they can reach your ears. They are in effect, 'played off against each other' before being compared and combined with the L+R signal and decoded into stereo.
The results are a dramatic reduction in hiss, clicks, pops, picket-fencing and the myriad indescribable, unpredictable noises which often disturb FM listening.
The effect is astonishing. As it was described in a leading audio magazine, "The significance of (this) design can only be fully appreciated by setting up the unit, tuning the weakest, most unacceptable stereo signals you can find, then pushing those two magic buttons. Separation was still there; only the background noise had been diminished, and with it, much of the sibilance and hissy edginess so characteristic of multi-path interference.
True realism with Sonic Holography. The illusion of stereo imaging is an acquired taste which audiophiles learn to be sensitive to – acclimating to its unnatural perspective in order to enjoy the portrait of sound which the stereo system paints upon the wall between the loudspeakers.
In reality, sound approaches you not just head on but from the sides and from behind. It reverberates through a room, giving you cues as to not only the position of the performers but your position as well. Incidentally, this sort of sonic information is not limited just to classical music recorded in a concert hall. Multi-track pop music also contains ambient and reverberant information. After all, a guitar amp, drum or saxophone are played and recorded in a three-dimensional space. It's just not very apparent listening to stereo.
Sonic Holography presents timing and phase information that now exists in your records, but has been inaudible with normal stereo components. With Sonic Holography, this information emerges in three-dimensional space around the listener. The precise location of instruments and voice can be pinpointed. You don't need a trained ear to notice the difference. Suddenly the listening field extends wider, higher and deeper than the speakers. You are literally immersed in the performance. But don't take our word for it. Begin by reading what major audio magazines had to say about Sonic Holography.
As one reviewer put it, "The effect strains credibility, the miracle is that it used only the two normal front speakers".
The best of everything in one compact component. There has never been a more complete method of enjoying music than the Carver Receiver 2000. With the power, the tuning ability and the miracle of Sonic Holography this is by far the most capable receiver ever offered. From its remote control to the wealth of tone and switching features, the 2000 lacks only speakers and your choice of sound sources to proper you into the fantastic world of sonic reality.

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