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Hafler - Perfecting high fidelity audio for over 60 years.

    In 1950, David Hafler and Herb Keroes started a Philadelphia-based company called Acrosound in order to build and sell audio-quality output transformers, primarily for home electronics hobbyists. In 1954, David Hafler and Herb Keroes parted company. That same year, Hafler met an audio engineer named Ed Laurent, who had designed a novel single-tube driver circuit for a power …

Hafler - Perfecting high fidelity audio for over 60 years.

    Right from the early years of high fidelity, David Hafler introduced the world to high performance audio with his range of Dynaco preamps, tuners and amplifiers. Today, Hafler continues the tradition by producing the very finest audio components that enthuse and enthrall those that have a particular bend towards spectacular audio. All Hafler products are designed and hand made …

Hafler - Perfecting high fidelity audio for over 60 years.

    For nearly six decades, Hafler has led the market in high-performance amplifiers for professional recording, post production, broadcast, commercial installation and the most demanding audiophile. Today, Hafler continues to drive amplifier evolution with advancements in lateral MOSFET studio amplifiers and great sounding Class-AB multi-channel amplifiers.

Chronological Hafler Products - David Hafler

    Created Date: 4/23/2014 2:05:14 PM

Hafler preamps - High-End Audio Discussion Forum

    As a former owner of several Hafler products (both preamps and amps), I was saddened when David Hafler died. Over the decades since the 1950's, his products and designs made it possible for a lot of audio enthusiasts on limited budgets to enjoy high quality sound reproduction in their homes.

Hafler - Perfecting high fidelity audio for over 60 years.

    The Hafler P3100 is a 2-channel power amplifier that is equally at home with the most discerning audiophile as with the most demanding studio recording engineer. David Hafler pioneered the use of MOSFETs during the 1970’s as a means to approach the even-order sonic character of tubes, while transitioning to the more practical side of discrete solid-state electronics.

David Hafler - Wikipedia

    In 1950, Hafler founded Acrosound with his colleague Herbert Keroes. This company was primarily in the business of designing and manufacturing transformers for tube amplifiers. Around this time Hafler and Keroes popularized the ultra-linear output-stage for audio amplifiers. However, the partnership did not last.

Hafler preamps - High-End Audio Discussion Forum

    Been away from audio for some time. Pretty well missed the 80s. Been intrigued by just hearing that there was a Hafler company (RIP Mr. Hafler) after Dyna went out of business. I've been Googling in vain for a concise history of the company's home audio days.

Hafler DH-110 Preamp Modifications

    HAFLER DH-110 PREAMP. A footnote in audio history: Begun as Dynaco in the 1950s by David Hafler, his line of Hafler products began appearing in the late 1970s. Hugely popular in the budget audiophile market the company was later acquired by the Rockford Corporation in 1987. Rockford took an active role and over the next couple of years preamps changed from a brown color to a …

The Ten Most Significant Amplifiers of All Time - The ...

    Peter Breuninger. Along with Avery Fisher’s 500c, David Hafler’s ST-70 put high performance audio in the American home. Introduced in 1959, the ST-70 is the world’s most prolific stand alone amplifier with over 300,000 units manufactured. Amazingly, its clear, three-dimensional sound is comparable to many amplifiers made today.

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