Department of the Army Technical Manual TM 10-751
(ZO WERD MODEL G IN HET LEGER GENOEMD!)
DEPARTMENT OF THE ARMY
Washington 25, D.C. 19 December 1949
Technical Manual 10-751 is published for the information and guidance of all concerned.
[AG 300.7 (25 Jul 49)]
By order of the Secretary of the Army:
Official:
J. LAWTON COLLINS
Chief of Staff, United States Army
EDWARD F. WITSELL
Major General
The Adjutant General
Department of the Army Technical Manual TM 10-751
Washington 25, D.C. - Price 15 cents
Lubricant symbol | Standard nomenclature |
RL* | Oil, recoil, light. |
PL | Oil, lubricating preservative, special. |
5. Tone Cabinet
The tone cabinet consists of a wooden housing containing the electrical equipment and loud-speakers required to amplify the musical tones produced in the console (see fig. 4). The cabinet housing is a long, box-shaped structure open at the rear. Its front is a grille through which the organ is heard. The cabinet housing is divided into front and rear compartments by a partition extending lengthwise, parallel to and near the grille. Holes in this partition support, the mouths of four loud-speakers. Loud-speakers are electrically connected to two seven-tube power amplifiers and a reverberation preamplifier located in the rear compartment of the cabinet. An attachment called a reverberation unit is bolted to an upright mounting board on one side of the tone cabinet housing. The purpose of this unit is to lend an echo effect to the artificially formed organ tones, which might otherwise sound disagreeably abrupt.
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