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40-411: Hafler is a surname. Common uses of the name include: David Hafler , the high-end audio designer and manufacturer The Hafler Trio Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with the title Hafler . If an internal link led you here, you may wish to change the link to point directly to

80-563: A " hack ". It could also refer to an innovative fix or a simple work-around, a solution that bends the rules, or a resource that can be used in such a way. It is also often used to signify creativity: to make existing things work, or to create new things with meager resources. Rasquache is the English form of the Spanish term rascuache , originally with a negative connotation in Mexico it

120-421: A role. Use of angle grinder is not preferred as large amounts of harmful sparks and fumes (and particulates ) are generated when compared with using reciprocating saw or band saw . Angle grinders produce sparks when cutting ferrous metals. They also produce shards cutting other materials. The blades themselves may also break. This is a great hazard to the face and eyes especially, as well as other parts of

160-570: A tiny focus area within the larger context, positioning DIY as a venue for holistic engagement. DIY ethic is the ethic of self-sufficiency through completing tasks without the aid of a paid expert . The DIY ethic promotes the idea that anyone is capable of performing a variety of tasks rather than relying on paid specialists. Italian archaeologists have unearthed the ruins of a 6th-century BC Greek structure in southern Italy. The ruins appeared to come with detailed assembly instructions and are being called an "ancient IKEA building". The structure

200-526: A wide range of skill sets. DIY has been described as a "self-made-culture"; one of designing, creating, customizing and repairing items or things without any special training. DIY has grown to become a social concept with people sharing ideas, designs, techniques, methods and finished projects with one another either online or in person. DIY can be seen as a cultural reaction in modern technological society to increasing academic specialization and economic specialization which brings people into contact with only

240-488: Is available. As a means of adaptation during the Cuban Special Period times of economic crisis, resolver ("to resolve") became an important part of Cuban culture. Resolver refers to a spirit of resourcefulness and do-it-yourself problem solving. Jugaad is a colloquial Hindi , Bengali , Marathi , Punjabi , Sindhi and Urdu word, which refers to a non-conventional, frugal innovation, often termed

280-486: Is entirely in terms of abstractions. It trains you to be an insurance salesman or a bureaucrat, or some kind of cerebral character. In the 1970s, DIY spread through the North American population of college and recent-college-graduate age groups. In part, this movement involved the renovation of affordable, rundown older homes. But, it also related to various projects expressing the social and environmental vision of

320-571: The DIY Network cable television channel. Both were launched to appeal to the growing percentage of North Americans interested in DIY topics, from home improvement to knitting . Such channels have multiple shows revealing how to stretch one's budget to achieve professional-looking results ( Design Cents , Design on a Dime , etc.) while doing the work yourself. Toolbelt Diva specifically caters to female DIYers. Beyond magazines and television,

360-603: The PBS television series This Old House , starring Bob Vila , premiered and spurred a DIY television revolution. The show was immensely popular, educating people on how to improve their living conditions (and the value of their house) without the expense of paying someone else to do (as much of) the work. In 1994, the HGTV Network cable television channel was launched in the United States and Canada, followed in 1999 by

400-424: The matrix decoders of the period, which attempted to reconstruct a surround sound field from a two channel recording. It had been observed that ambient sounds in a concert, such as applause or coughs from the audience, are generally received in a non-correlated phase by the stereophonic microphones , while sounds from the musicians are generally in a more or less synchronous phase. Thus, if rear speakers are fed with

440-478: The underground punk scenes, and significantly altered the way fans interacted with musicians. Zines quickly branched off from being hand-made music magazines to become more personal; they quickly became one of the youth culture's gateways to DIY culture. This led to tutorial zines showing others how to make their own shirts, posters, zines, books, food, etc. The terms "DIY" and "do-it-yourself" are also used to describe: Much contemporary DIY music has its origins in

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480-515: The " Houseboat Summit " panel discussion in a 1967 edition of the San Francisco Oracle ) reflected a growing sentiment: Our educational system, in its entirety, does nothing to give us any kind of material competence. In other words, we don't learn how to cook, how to make clothes, how to build houses, how to make love, or to do any of the absolutely fundamental things of life. The whole education that we get for our children in school

520-751: The 1960s and early 1970s. The young visionary Stewart Brand , working with friends and family, and initially using the most basic of typesetting and page-layout tools, published the first edition of The Whole Earth Catalog (subtitled Access to Tools ) in late 1968. The first Catalog , and its successors, used a broad definition of the term "tools." There were informational tools, such as books (often technical in nature), professional journals, courses and classes. There were specialized, designed items, such as carpentry and stonemasonry tools, garden tools , welding equipment, chainsaws , fiberglass materials and so on – even early personal computers. The designer J. Baldwin served as technology editor and wrote many of

560-554: The Dynaco business model, these products were available in both kit form and factory assembled. The units were acclaimed for their breakthrough sound quality and exceptional value, and are still highly prized today. Hafler made several different models of amplifiers and preamps over the years. Hafler products were also a solid foundation for improvements through later upgrades and modifications, installed both by DIY hobbyists and small specialist audio companies. Hafler sold his company to

600-858: The Rockford Corporation in 1987. Today, the Hafler company primarily makes products for the professional sound market. The Hafler brand was purchased by Canadian based Radial Engineering Ltd in 2014. Radial planned to re-launch the Hafler brand of high-fidelity audio products. Mike Belitz, CEO and President of Ultimate Support, in a venture with Vancouver, B.C. Private Equity Firm, Regimen Partners, have acquired Radial Engineering Ltd. and its diverse catalog of brands that include Primacoustic, Tonebone, Reamp, Hafler, Dynaco, Jensen Transformers and Iso•Max. David Hafler died from complications of Parkinson's disease in Philadelphia, Pennsylvania, at

640-447: The US audio community for many years. In the 1970s Hafler promoted "passive pseudo- quadraphonics ", an inexpensive method of recreating ambient sounds at the rear from ordinary stereophonic recordings. Known as the "Hafler hookup" or " Hafler circuit ", this consisted of two similar additional rear speakers, connected in series (typically 8 + 8 or 16 ohms total) between the live feeds to

680-836: The age of 84. DIY " Do it yourself " (" DIY ") is the method of building, modifying , or repairing things by oneself without the direct aid of professionals or certified experts. Academic research has described DIY as behaviors where "individuals use raw and semi-raw materials and parts to produce, transform, or reconstruct material possessions, including those drawn from the natural environment (e.g., landscaping)". DIY behavior can be triggered by various motivations previously categorized as marketplace motivations (economic benefits, lack of product availability, lack of product quality, need for customization), and identity enhancement ( craftsmanship , empowerment, community seeking, uniqueness). The term "do-it-yourself" has been associated with consumers since at least 1912 primarily in

720-433: The art and design community. The terms Hacktivist , Craftivist, or maker have been used to describe creatives working within a DIY framework (Busch). Otto von Busch describes 'Hacktivism' as "[including] the participant in the process of making, [to give] rise to new attitudes within the 'maker' or collaborator" (Busch 49). Busch suggests that by engaging in participatory forms of fashion, consumers are able to step away from

760-664: The body. Modern power tools are mostly equipped with advanced dust control systems, including HEPA-certified dust extractors and integrated water delivery systems , to mitigate the release of harmful particulates. The Occupational Safety and Health Administration ( OSHA ) mandates the use of such control measures in environments with high dust levels. DIY is prevalent amongst the fashion community, with ideas being shared on social media, such as YouTube, about clothing, jewellery, makeup, and hairstyles. Techniques include distressing and bleaching jeans, redesigning old shirts, and studding denim. The concept of DIY has also emerged within

800-433: The core values of the DIY punk ethic by leveraging creative ways of communication through zines and other projects. Adherents of the DIY punk ethic also work collectively. For example, punk impresario David Ferguson 's CD Presents was a DIY concert production , recording studio , and record label network. A form of independent filmmaking characterized by low budgets, skeleton crews, and simple props using whatever

840-450: The dark aesthetics and nihilist discourse in punk fanzines in the 1970s and onwards in the shadow of rising unemployment and social tensions. In the 1960s and 1970s, books and TV shows about the DIY movement and techniques on building and home decoration began appearing. By the 1990s, the DIY movement felt the impact of the digital age with the rise of the internet. With computers and the internet becoming mainstream, increased accessibility to

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880-610: The decoration. The building was built by Greek artisans coming from the Spartan colony of Taranto in Apulia. In North America, there was a DIY magazine publishing niche in the first half of the twentieth century. Magazines such as Popular Mechanics (founded in 1902) and Mechanix Illustrated (founded in 1928) offered a way for readers to keep current on useful practical skills, techniques, tools, and materials. As many readers lived in rural or semi-rural regions, initially much of

920-640: The difference between the stereo channels, audience noises and echoes from the auditorium can be heard from behind the listener. In 1977, Hafler founded the David Hafler company in Pennsauken, New Jersey (a Philadelphia suburb). His first two products were the DH-101 preamplifier, followed a few months later by the DH-200 companion power amplifier. Added later was the rugged DH-500 stereo amplifier, which

960-419: The domain of home improvement and maintenance activities. The phrase "do it yourself" had come into common usage (in standard English) by the 1950s, in reference to the emergence of a trend of people undertaking home improvement and various other small craft and construction projects as both a creative-recreational and cost-saving activity. Subsequently, the term DIY has taken on a broader meaning that covers

1000-487: The earliest example of this attitude was the punk music scene of the 1970s. More recently, the orthodox understanding that DIY originates in 1970s punk, with its clearest practices being in the self-produced 7" single and self-published fanzines, has been challenged. As George McKay asks in the title of his 2023 article: 'Was punk DIY? Is DIY punk?' McKay argues instead for what he terms a 'depunking' of DIY. Riot grrrl , associated with third-wave feminism , also adopted

1040-474: The following: Examples of high dust level tasks include: Some power tools are equipped with dust collection system (e.g. HEPA vacuum cleaner) or integrated water delivery system which extract the dust after emission. While the type of material used will determine the composition of the dust generated, the size and amount of particulates produced are mainly determined by the type of tool used. Implementation of effective dust control measures may also play

1080-417: The front speakers. The crosstalk or loss of stereo separation in the front speakers was generally less than 2 dB , while the rear sound level in a typical recorded live performance was about 7 dB below the front, but clearly audible. The Dynaco QD-1 Quadaptor was based on this idea, adding a variable resistor to control the volume of the rear speakers. This passive method worked fairly well compared to

1120-613: The idea of "mass-homogenized 'Mc-Fashion ' " (Lee 2003)" , as fashion Hacktivism allows consumers to play a more active role in engaging with the clothes they wear (Busch 32). DIY as a subculture was brought forward by the punk movement of the 1970s. Instead of traditional means of bands reaching their audiences through large music labels, bands began recording, manufacturing albums and merchandise, booking their own tours, and creating opportunities for smaller bands to get wider recognition through repetitive low-cost DIY touring. The burgeoning zine movement took up coverage of and promotion of

1160-413: The intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Hafler&oldid=932860761 " Category : Disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages David Hafler In 1950, Hafler founded Acrosound with his colleague Herbert Keroes . This company

1200-542: The internet has led to more households undertaking DIY methods. Platforms, such as YouTube or Instagram, provide people the opportunity to share their creations and instruct others on how to replicate DIY techniques in their own home. The DIY movement is a re-introduction (often to urban and suburban dwellers) of the old pattern of personal involvement and use of skills in the upkeep of a house or apartment, making clothes; maintenance of cars, computers, websites; or any material aspect of living. The philosopher Alan Watts (from

1240-499: The late 1970s punk rock subculture. It developed as a way to circumnavigate the corporate mainstream music industry . By controlling the entire production and distribution chain, DIY bands attempt to develop a closer relationship between artists and fans. The DIY ethic gives total control over the final product without need to compromise with record major labels. According to the punk aesthetic, one can express oneself and produce moving and serious works with limited means. Arguably,

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1280-446: The material related to their needs on the farm or in a small town. By the 1950s, DIY became common usage with the emergence of people undertaking home improvement projects, construction projects and smaller crafts. Artists began to fight against mass production and mass culture by claiming to be self-made. However, DIY practices also responded to geopolitical tensions, such as in the form of home-made Cold War nuclear fallout shelters, and

1320-533: The mid-1990s, DIY home-improvement content began to find its way onto the World Wide Web . HouseNet was the earliest bulletin-board style site where users could share information. Since the late 1990s, DIY has exploded on the Web through thousands of sites. In the 1970s, when home video ( VCRs ) came along, DIY instructors quickly grasped its potential for demonstrating processes by audio-visual means. In 1979,

1360-524: The most harmful form (other than ultra-fines ) of air pollution . Exposure to particulate matter, especially PM2.5 and ultrafine particles (PM0.1), has serious health implications. According to the World Health Organization, there is no safe level of particulate exposure, with these emissions linked to increased risks of respiratory and cardiovascular diseases. Many tasks create dust . With high dust levels are caused by one of more

1400-902: The reviews of fabrication tools, tools for working soil, etc. The Catalog 's publication both emerged from and spurred the great wave of experimentalism, convention-breaking, and do-it-yourself attitude of the late 1960s. Often copied, the Catalog appealed to a wide cross-section of people in North America and had a broad influence. DIY home improvement books burgeoned in the 1970s, first created as collections of magazine articles. An early, extensive line of DIY how-to books were created by Sunset Books , based upon previously published articles from their magazine, Sunset , based in California. Time-Life , Better Homes and Gardens , Balcony Garden Web and other publishers soon followed suit. In

1440-671: The scope of home improvement DIY continues to grow online where most mainstream media outlets now have extensive DIY-focused informational websites such as This Old House , Martha Stewart , Hometalk , and the DIY Network . These are often extensions of their magazine or television brand. The growth of independent online DIY resources is also spiking. The number of homeowners who blog about their experiences continues to grow, along with DIY websites from smaller organizations. Use of power tools can cause adverse effects on people living nearby. Power tools can produce large amounts of particulates including, ultrafine particles . Particulates are

1480-435: The time. It looks as if someone was instructing others how to mass-produce components and put them together in this way." Much like our modern instruction booklets, various sections of the luxury building were inscribed with coded symbols showing how the pieces slotted together. The characteristics of these inscriptions indicate they date back to around the 6th century BC, which tallies with the architectural evidence suggested by

1520-623: Was a temple-like building discovered at Torre Satriano , near the southern city of Potenza , in Basilicata . This region was recognized as a place where local people mingled with Greeks who had settled along the southern coast known as Magna Graecia and in Sicily from the 8th century BC onwards. Christopher Smith, director of the British School at Rome , said that the discovery was, "the clearest example yet found of mason's marks of

1560-409: 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. In 1954 Hafler founded Dynaco with Ed Laurent . Hafler was instrumental in bringing affordable, high-quality audio kits to hobbyists, making his name a household word in

1600-426: Was rated at 255 watts per channel and saw great success in home, studio, and live environments. The amplifiers were notable for their early use of new, more-powerful MOSFETs to enable much lower distortion at higher power, in a very economical fashion. The new designs were less vulnerable to thermal runaway , allowing them to operate reliably at higher power without requiring expensive protective circuitry. Following

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