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Description
The main chip TDA7294 favorite of many enthusiasts from the world \'s largest
semiconductor companies with STMicroelectronics (st) design and production
With low distortion , low noise, high pressure , and mute switch ,
thermal protection, short circuit protection and other advantages.
Circuit design also uses an official standard circuit design allows
you to hear the most authentic voices chant
Plus a small volume using a single -channel design ,
making installation more convenient.
Can facilitate the realization of existing subwoofer or amplifier upgrades or maintenance
The composition can also be arbitrary two-channel or multi-channel amplifier new ,
once put into a variety of play
Circuit board design 7293 / 7294 compatible simply convert
a capacitor pin position are described below
Specification
Power requirements: /-DC40V-0-40V
Audio Input : mono use shielded audio cable with good performance
Audio output: mono supply ± 35VDC 80W
Total harmonic distortion (Po = 5W, f = 1KHz) 0.005%;
Frequency response 20Hz-20Kz conversion rate 10V/μs
Volume control: no matching preamp board or potentiometer for volume adjustment
Cooling requirements 0.3- 0.5 kg greater heat output power greater need to select the appropriate
PCB board size: 50 mm*35 mm
PCB board marked above the names of all the components installed
on the line when just condemnation good attention to some of the components can be positive and negative
After many trials enthusiasts on the market 4 ohms speaker impedance
parameters genuine boxes of varying vacuity is popular
They would often chip burnout so please choose 6-8 ohms speaker safer
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