HH Electronics
Encyclopedia
HH Electronics is a British
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 amplifier
Amplifier
Generally, an amplifier or simply amp, is a device for increasing the power of a signal.In popular use, the term usually describes an electronic amplifier, in which the input "signal" is usually a voltage or a current. In audio applications, amplifiers drive the loudspeakers used in PA systems to...

 manufacturer that was founded in 1968 by Mike Harrison, Malcolm Green and Graham Lowes in Harston near Cambridge
Cambridge
The city of Cambridge is a university town and the administrative centre of the county of Cambridgeshire, England. It lies in East Anglia about north of London. Cambridge is at the heart of the high-technology centre known as Silicon Fen – a play on Silicon Valley and the fens surrounding the...

, England
England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

, where its first solid state
Solid state (electronics)
Solid-state electronics are those circuits or devices built entirely from solid materials and in which the electrons, or other charge carriers, are confined entirely within the solid material...

 TPA Amplifier and other sound equipment were designed and produced. The company later moved to larger premises at Milton
Milton, Cambridgeshire
Milton is a village just north of Cambridge, England. It has a population of approximately 4,300 with 3,200 being on the electoral register. It expanded considerably in the late 1980s when two large housing estates were built between the bypass and the village resulting in a doubling of the...

, Cambridgeshire
Cambridgeshire
Cambridgeshire is a county in England, bordering Lincolnshire to the north, Norfolk to the northeast, Suffolk to the east, Essex and Hertfordshire to the south, and Bedfordshire and Northamptonshire to the west...

, named the 'Dust Bowl' producing the first of the IC range of music amplifiers.

One of the first solid state transistor amplifiers designed and manufactured by HH was the TPA and AM series, which were used by many broadcasting studios, including the BBC.

The I/C100 Organ/Musical Instrument Amplifier, which gave a massive 100-watt
Watt
The watt is a derived unit of power in the International System of Units , named after the Scottish engineer James Watt . The unit, defined as one joule per second, measures the rate of energy conversion.-Definition:...

 RMS
Audio power
Audio power is the electrical power transferred from an audio amplifier to a loudspeaker, measured in watts. The electrical power delivered to the loudspeaker, together with its sensitivity, determines the sound power level generated .Amplifiers are limited in the electrical energy they can...

 of undistorted power, was produced with musicians and the retail market in mind. The separate 412BL minor Lead/Bass Cabinet was also produced for the I/C100. The I/C100 was also put in to the form of a Combo matched with then, a pair of Celestion
Celestion
Celestion is a British maker of loudspeakers.-History:The work of what would become Celestion started in Hampton Wick in 1924. Celestion Radio Company and Celestion Limited were formed in 1927, and two years later the company moved across the Thames to Kingston. The company grew rapidly, but was...

 12" Speakers
Loudspeaker
A loudspeaker is an electroacoustic transducer that produces sound in response to an electrical audio signal input. Non-electrical loudspeakers were developed as accessories to telephone systems, but electronic amplification by vacuum tube made loudspeakers more generally useful...

.

Following a move to Bar Hill
Bar Hill
Bar Hill is a purpose-built village with a population of 4,000 about 4 miles northwest of Cambridge, England on the A14 road.The Prime Meridian passes just to the west of Bar Hill.-History:...

, Cambridge
Cambridge
The city of Cambridge is a university town and the administrative centre of the county of Cambridgeshire, England. It lies in East Anglia about north of London. Cambridge is at the heart of the high-technology centre known as Silicon Fen – a play on Silicon Valley and the fens surrounding the...

, HH extended its range of music sound equipment to include models such as the MA100 Mixer Amplifier, V-S Bass, IC100L, V-S Musician (a two-channel 100-watt amplifier head that had a separate pre- and master control), housing them in a very slim format and combo enclosures. Many new speaker cabinets
Loudspeaker enclosure
A loudspeaker enclosure is a purpose-engineered cabinet in which speaker drivers and associated electronic hardware, such as crossover circuits and amplifiers, are mounted...

 were designed and put into production, such as the 212 & 412 Dual Concentric 212BL, 215BL, 412BL, 115PA Radial Horns and Bass Bin + Piezo.

Speaker chassis were also manufactured in-house under the supervision of HH Acoustic in order to match the amplifiers and speaker cabinets.

Continuing designs brought along another of the first 19-inch rack
19-inch rack
A 19-inch rack is a standardized frame or enclosure for mounting multiple equipment modules. Each module has a front panel that is wide, including edges or ears that protrude on each side which allow the module to be fastened to the rack frame with screws.-Overview and history:Equipment designed...

 mountable studio quality power amplifiers, the S500D, producing nothing less than 500 watts RMS of power per channel, and the V-series amplifiers, including the V100, V200, V500 and V800 MOSFET
MOSFET
The metal–oxide–semiconductor field-effect transistor is a transistor used for amplifying or switching electronic signals. The basic principle of this kind of transistor was first patented by Julius Edgar Lilienfeld in 1925...

.

HH moved premises again around 1985 to Clifton Road, Huntingdon
Huntingdon
Huntingdon is a market town in Cambridgeshire, England. The town was chartered by King John in 1205. It is the traditional county town of Huntingdonshire, and is currently the seat of the Huntingdonshire district council. It is known as the birthplace in 1599 of Oliver Cromwell.-History:Huntingdon...

, Cambridgeshire
Cambridgeshire
Cambridgeshire is a county in England, bordering Lincolnshire to the north, Norfolk to the northeast, Suffolk to the east, Essex and Hertfordshire to the south, and Bedfordshire and Northamptonshire to the west...

, and began to develop new amplification products, such as the VX Range of 19" Rack Amplifiers, MXA and Invader series speakers.

In the 1990s they were bought out by Laney Amplification
Laney Amplification
Laney Amplification is a British brand of guitar/bass guitar amplifiers and cabinets, and also public address systems.-History:Laney Amplification officially began on September 1st, 1967....

.

HH Electronics now resides in the West Midlands
West Midlands (region)
The West Midlands is an official region of England, covering the western half of the area traditionally known as the Midlands. It contains the second most populous British city, Birmingham, and the larger West Midlands conurbation, which includes the city of Wolverhampton and large towns of Dudley,...

and it's current range reflects the company’s continued drive to offer excellence in performance with outstanding value and a close understanding of the end-user and is still designed in the UK.

External links

  • http://hhelectronics.com/
  • http://www.hhamplification.co.uk
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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