power amplifiers

Spread Spectrum Technologies Ampzilla 2000 Power Amplifier

Passion. Our hobby/interest/vocation is all about passion. There is a lot of passion in the high-end audio universe and James Bongiorno, the head of Spread Spectrum Technologies, has a consuming passion for his creations. He has been building and refining the Ampzilla amplifier concept since 1974 and holds a patent on the design. From his Web site:

Spread Spectrum Technologies Ampzilla 2000 Second Edition Power Amplifiers

When I reviewed the original Ampzilla 2000 monoblock power amplifers in February, 2009, I reported on a very good sounding, well made component that had just enough of its own character that it was highly recommended but not without reservations.

Spread Spectrum Technologies Thoebe II Preamplifier & Son of Ampzilla II Amplifier

Son of Ampzilla II

Spread Spectrum Technologies was founded by James Bongiorno, the legendary and colorful audio pioneer and engineer who was also directly involved with key designs at Marantz, SAE, SUMO Electric, and Great American Sounds (GAS). Several years ago, Mr.

Valvet E2 SE Stereo Power Amplifier

The new Valvet E2 SE single-ended Class A solid-state amplifier is a revelation. Coming to market about a year after my review of the Valvet E2, the SE version exceeds the E2's audible performance in every parameter. Please see the older review for context. The special edition SE version takes all the E2's excellent performance and offers improvements in every area.

Valvet E2 Stereo Power Amplifier

Valvet High-End Audio, of Bargteheide, which is near Hamburg in northern Germany, has been making high quality audio components since 1982. Owner and designer Knut Cornils has a goal for all of his components: “(T)he transmission of music free from artefact or manipulation, music that stimulates the senses! A simple but well-thought-out circuit, short signal paths and the best, reliable components”.

Wyred 4 Sound ST-1000 Stereo Power Amplifier

The high-end is dead! Long live the high-end! A paradigm shift is upon us now. In the Wyred 4 Sound ST-1000 stereo amplifier, we have a maturing technology that absolutely changes the performance-to-price expectation for solid-state amplifiers in the $2,000 to $10,000 price range.

Wyred 4 Sound ST-750LE Stereo Power Amplifier

The new Wyred 4 Sound ST-750LE stereo power amplifier sounds far above it's price class. The technology includes Wyred 4 Sound's proprietary input circuit that is similar to the one implemented in their '10 LP'-rated STP-SE Stage 2 preamplifier. This is followed by the latest IcePower amplifier module. The base price of the amplifier is $1599.00.

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