Amplifier for high efficiency speakers with 10mV - 1500mV out with low SNR, THD+N and zero gain input, perfect with negative gain . It's possible?
If its a proper buffer, it will have low enough output impedance to drive any speaker.
But i let the op to address that.
But i let the op to address that.
What's the source impedance?
Assuming 4-8 ohm speakers on the output, this comes to mind:
1W single ended class A (2.8V @ 8 ohm) with an N-MOSFET and pull-up resistor (for a tweeter, or with a pull-down resistor for a woofer). The input could be as simple as an op-amp with global feedback, although discrete components could probably squeeze out lower noise (but probably at the cost of worse PSU noise rejection and higher THD so the complexity goes up). I would add a volume control and/or active filters in there as well, for bi-amping a WAW, but that's just me.
Assuming 4-8 ohm speakers on the output, this comes to mind:
1W single ended class A (2.8V @ 8 ohm) with an N-MOSFET and pull-up resistor (for a tweeter, or with a pull-down resistor for a woofer). The input could be as simple as an op-amp with global feedback, although discrete components could probably squeeze out lower noise (but probably at the cost of worse PSU noise rejection and higher THD so the complexity goes up). I would add a volume control and/or active filters in there as well, for bi-amping a WAW, but that's just me.
Low min 6 ohm
Mid min 6 ohm
Hi 4 ohm twitter
This is for active 3 way system
I need some asambled amplifier boards or some Kit for resonable price, best in EU.
It would be great if all this works with the input voltage 100mV-300mV from my Behringer DCX2496. I need some -8db to -3db gain input.
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Hi from Latvia! We are neighbours. Yes 4-8 Ohm. Do you know where it is possible to buy a finished amplifier board in Europe? Everywhere class D amplifiers for low power.
