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thatslife78 seen on internet, first choice : Mean power, or root mean square (RMS) power handling, refers to how much continuous power the speaker can handle. ... For example, a speaker with a 30W RMS rating bu... seen on internet, first choice : Mean power, or root mean square (RMS) power handling, refers to how much continuous power the speaker can handle. ... For example, a speaker with a 30W RMS rating but a peak rating of 60W means that speaker can comfortably run with 30 watts of continuous power, with occasional bursts of up to 60W. SO : RMS is the continuous power affordable without burning anything . BUT ( to me, as far as i know) : for an AMPlifier, the affordable current REALLY dispatched in a speaker is : current divided by resisting power of speakers : 26 volts divided by a 4 ohms speaker means ...6.5 watts At first try to find a power supply : you may find 75 watts not 75x2 which is what you need for a stereo system..... Δείτε περισσότερα

canaverdejose Two phase means 2 coils on the stator. Coil A and coil B. A two phase bipolar motor has 2 groups of coils. A 4 phase unipolar motor has 4. A 2-phase bipolar motor will have 4 wires - 2 for each phase.... Two phase means 2 coils on the stator. Coil A and coil B. A two phase bipolar motor has 2 groups of coils. A 4 phase unipolar motor has 4. A 2-phase bipolar motor will have 4 wires - 2 for each phase. Some motors come with flexible wiring that allows you to run the motor as either bipolar or unipolar. Bipolar motors have a single winding per phase. The current in a winding needs to be reversed in order to reverse a magnetic pole, so the driving circuit must be more complicated, typically with an H-bridge arrangement (however there are several off-the-shelf driver chips available to make this a simple affair). There are two leads per phase, none is common. A typical driving pattern for a two coil bipolar stepper motor would be: A+ B+ A− B−. I.e. drive coil A with positive current, then remove current from coil A; then drive coil B with positive current, then remove current from coil B; then drive coil A with negative current (flipping polarity by switching the wires e.g. with an H bridge), then remove current from coil A; then drive coil B with negative current (again flipping polarity same as coil A); the cycle is complete and begins anew. Δείτε περισσότερα

BG101524152 Thereis only one channel - the generator chip can support balanced output and the board designers have taken advantage of this to provide two outputs. I haven't looked at using these as a balanced ou... Thereis only one channel - the generator chip can support balanced output and the board designers have taken advantage of this to provide two outputs. I haven't looked at using these as a balanced output - if you want to do this you need to use phase-matched (equal length) cables. Δείτε περισσότερα

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pacoul The TDA2030 is a monolithic integrated circuit in the Pentawatt® package, intended for use as a low frequency class-AB amplifier. Typically it provides 14 W output power (d = 0.5%) at 14 V at 4 Ω. At ... The TDA2030 is a monolithic integrated circuit in the Pentawatt® package, intended for use as a low frequency class-AB amplifier. Typically it provides 14 W output power (d = 0.5%) at 14 V at 4 Ω. At ±14 V or 28 V, the guaranteed output power is 12 W on a 4 Ω load and 8 W on an 8 Ω (DIN45500). So, 4 to 8 ohms, probably more. Δείτε περισσότερα