Anthem Integrated i225

Digital Trends: "Whether this integrated amp will turn the heads of those currently on course for a high-end A/V receiver will probably come down to a matter of exposure because once you hear what this remarkable integrated amp can do, you will be forever spoiled. We enthusiastically offer our Editor’s Choice Award to this fine piece of gear from Anthem."

Playback: "Anthem’s Integrated 225 is a wonderful (and wonderfully versatile) integrated amp that offers plentiful power and equal measures of control and refinement (there’s nothing “loose” or foggy-sounding about this amp). While the amplifier’s built-in phono section does leave room for improvement, the rest of the amp is so powerful and so capable for the money that it easily earns a Playback Recommended award. Note, too, that this would be a good amp to use with hard-to-drive, power-hungry speakers."

HomeTheatreReview.com : "The Anthem 225 Integrated Amplifier is an astounding centerpiece for any audiophile system not to mention one of the best bargains out there today. If you're a little tight on cash and space the Anthem 225 isn't a bad option when it comes to building a very simple, yet very effective, home theater on a budget. While it won't handle your video processing it will handle anything the latest blockbuster will throw at you and your speakers. While there are cheaper integrated amplifiers out there, very few, if any, have the magic touch of the Anthem 225."

High-quality, Close-tolerance Parts: As with all Anthem components, the Integrated 225 boasts all parts of high quality and close tolerance, including metal film resistors and high-quality film signal capacitors. The result is the lowest possible total harmonic distortion plus noise. To prevent one source from interfering with another, critical inputs are individually buffered.

105 Db Signal-to-noise Ratio: With a 105 dB signal-to-noise ratio, the Integrated 225 rivals the achievements of more expensive separates. Anthem’s always meticulous attention was paid to ground planes and the design of the power supply (see section on Power Supply). Circuit board traces were laid out by hand. From a rich and silent black background, the only thing the audiophile is aware of is the music—rich and refined, full and enveloping, leaving you to wonder why anyone would contemplate spending more.

The Power Within: The integrated 225’s main power supply boasts an advanced generation toroidal transformer, a major contributor to the low-noise floor. This massive transformer is conservatively rated and designed with high rail voltage. It feeds two oversized (51 mm x 80 mm) low-ESL, low-ESR Nichicon filter capacitors employing a total capacitance of 30,000 microfarads. The main power supply also features ±15 V rails for the preamp audio circuits fed by two precision voltage regulators. An additional precision voltage regulator is used in the standby power supply. The Integrated 225’s main power supply is active during “on” mode while standby power supply remains active in both “on” and “standby” modes.

Input and voltage amplifier stages are a differential design, however the output power stage, the stage most crucial to ultimate playback, benefits from Anthem’s proven output stage topology: a fully symmetrical complementary Class AB design with three pair of high-quality bipolar output devices per channel. Designed to dramatically reduce distortion, this arrangement also ensures extreme linearity, effortless response and extensive bandwidth while minimizing power consumption.

Advanced Load Monitoring (ALM): our ALM circuitry which protects sensitive output devices by constantly monitoring temperature, current and voltage to ensure optimum long-term performance. ALM is totally non-invasive—it is not in the signal path and only engages in the most extreme circumstances to protect the amplifier from damage by maintaining the safe operating area of the output devices.

Xlr Balanced Connection And Gold-plated Inputs: XLR balanced connections are common in both professional recording studios and broadcasting to ensure the lowest level of noise and hum. Now you can use this same high-quality connection since the Integrated 225 includes an XLR balanced input. Gold-plated female RCA jacks on this unit also provide high quality single-ended input connections.

Tone Controls With Bypass Feature: The Integrated 225’s bass and treble controls have been designed to affect the tonal extremes in a fairly undramatic way. They are particularly useful for taming poor recordings, without upsetting the musical balance. To adjust tone, Bass and Treble knobs are provided on the front panel. And for the purist (and the best recordings), the option is there to bypass these controls completely.

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