So far very pleased with the sonic results of this amp, it seems to have a slightly lower noisefloor than my TDA8932-based monoamp which manifests as improved saturation of tonal colours.
I needed a way of testing the TDA1521s as mine are all recycled ones, so now there's this single channel board -
It still retains the capability of being paralleled. It can be used alone to create a mono ~20W amp running on +20V so long as the speaker impedance isn't lower than 8R. Two paralleled will give twice the output current and allow a higher supply voltage, allowing in the region of 60W into 8R.
I needed a way of testing the TDA1521s as mine are all recycled ones, so now there's this single channel board -
It still retains the capability of being paralleled. It can be used alone to create a mono ~20W amp running on +20V so long as the speaker impedance isn't lower than 8R. Two paralleled will give twice the output current and allow a higher supply voltage, allowing in the region of 60W into 8R.