#Estey organ values generator#

The Minshall Organs, which were considerably cheaper than similar competing models, had a reputation for unreliabilityВ and problems with pitch drifting of the overheating tubes. The Instruments produced sound usingВ 52 vacuum tubes mostly 12AU7s or 12AX7s вЂ“ using 3 tubes per tone generator, one as a phase shift oscillator and five sections as RC frequency dividers.

#Estey organ values generator#

Tone generator cabinet showing the vacuum tubes and speakers of the Minshall Organ (image copyright Swartko) The Minshall company finally came to an end in 1955 Burton Minshall became ill, sold all of his shares in the company and eventually died in 1957. In 1947В MinshallвЂ™s companyВ merged withВ Estey to form вЂMinshall-Estey Organ IncвЂ™ where they continued to produce electronic organs based ion MinshallвЂ™s designs until 1954 when Minshall severed ties with Estey. MinshallвЂ™s original plant in Ontario Canada moved in 1946 toВ Brattleboro, Vermont USA due to the proximity of Estey Organ Co вЂ“ a well known and established manufacturer of reed organs. This first amateur designВ eventually lead to the establishment of a successful organ manufacturing company selling mainly to churches and funeral parlours as well as the home organ market. MinshallвЂ™s design was originallyВ intended as a home build project. Numerous electronic organs were produced during the 1950sВ in what became a fiercely competitive market, eventually dominated by companies such as Hammond, Conn and Gulbranson (who in turn were forced out by heavy competition from Japanese integrated circuit designs in the 1960s). These electronic tube organs were an early post war design вЂ“ targeting a new and affluent US middle class and competing with tone wheel, pipe and reed based organs. The Minshall range of electronic Organs were designed by the ex-radio repairmanВ Burton Minshall (Born Dereham Township, Oxford, Ontario, Canada 9th augВ 1907В . Appraisers of used pianos and other consumer goods typically use three differentmethods to determine fair market value: comparable sales, depreciation, and.

1961: DIMI & Helsinki Electronic Music Studio.

1931: Radio Organ of a Trillion Tones, Polytone Organ & Singing Keyboard.

'Dr Kent's Electronic Music Box', Dr Earle Kent, USA, 1951.'MUSIC N', Max Vernon Mathews, USA, 1957.

'Photo-Electric Marimba' or 'Marimbalite'.'Clavecin Г‰lectrique' or 'Clavessin Г‰lectrique'.Freddie Williams & Tom Kilburn, United Kingdom, 1951. The 'Singing Arc', William Duddell, UK, 1899.