This subwoofer box was created to match and aid the 1.618 Hi-Vi 3-way tower loudspeakers. The main focus of the HiVi 10" subwoofer was to reproduce ultra low frequencies that the 1.618 could not reproduce and aid in overall low end musical reproduction. Low, flat and not "boomy" was priority one. This subwoofer project uses the 10" subwoofer driver which can deliver plenty of bottom end.
We do service the water conditioner, Refrigerator, Freezer, Washing Machine, Computer etc. Please call us 021-715 9448 5 - 081 281 3354 0
Monday, May 21, 2012
3VDC Stereo Headphone Amplifier by IC LM4910
3VDC Stereo Headphone Amplifier by IC LM4910 This is a stereo headphone amplifier circuit of using LM4910 IC. This circuit is very simple so it is very easy to make even for beginners once. because the voltage source is used only 3 VDC you can use 2 x A3 battery in series stacking.
Skema BA5417 stereo amplifier
BA5417 stereo amplifier circuit has of good features like thermal shut down, standby function, soft clipping, wide operating voltage range etc. The circuit can be deliver 5W × 2 when VCC = 12V and RL = 4Ω, or 2.8W x 2 when VCC = 9V RL = 3Ω.This and amplifier circuit has excellent sound
Tuesday, May 8, 2012
Rangkaian regulator IC 7905-7912-7915
The available voltage from a voltage source that is usually not appropriate to the needs. It is necessary for a voltage regulator that functions to maintain the constant voltage value on a certain value. Voltage regulator chip is usually a code with the 78xx or 79xx. For the 79xx series is used for DC negative voltage regulator. xx indicates the regulator output voltage. For example, the system needs is a -5 volt
Skema Adaptor 12 volt 20 ampere
Now it should not have to wrestle again seek op-amp, transistor and other components to realize a massive circuit of regulators, because the circuit of this kind have been packed into a fixed voltage regulator IC. Currently, many components known as the 78XX series fixed positive voltage regulator and the 79XX series is a voltage regulator to remain negative.
Sunday, May 6, 2012
HEXFET® Power MOSFET
Advanced HEXFET® Power MOSFET from International Rectifier utilize advanced processing techniques to achieve extremely low on-resistance per silicon area. This benefit, combined with the fast switching speed and ruggedized device design that HEXFET power MOSFETs are well known for, provides the designer with an extremely efficient and reliable device for use in a wide variety of
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HEXFET® Power MOSFET
Thursday, May 3, 2012
Rangkaian Regulator 78xx -7805 -7812 -7815.
Rangkaian Regulator 78xx - 7805,7812,7815...)
The available voltage from a voltage source that is usually not appropriate to the needs. It is necessary for a voltage regulator that functions to maintain the constant voltage value on a certain value. Voltage regulator chip is usually a code with the 78xx or 79xx. For the 78xx series is used for DC positive voltage regulator. xx indicates the regulator output voltage. For example, the system needs is a + 5 volt
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