[sdiy] Looking for advice about powered reference monitor problem
Gordonjcp
gordonjcp at gjcp.net
Fri Nov 20 09:34:15 CET 2020
On Thu, Nov 19, 2020 at 02:19:00PM -0500, Shawn Rakestraw wrote:
>
> I don't have a schematic, but I can tell you there is a giant toroidal
> transformer that sends power to a single circuit board with 2 amplifiers,
> one for an 8" speaker and the other for the tweeter. It seems like both
> speakers suffer from the same volume attenuation problem. The capacitors I
> replaced were 2 big 10000 uF where the power enters the board and 7 100uF
> in the amplifier section. There is a bass and treble section, as well as a
> gain pot.
It won't be one of those if it is a bad capacitor, it'll be a really small one below about 10μF connecting the inverting input of an opamp to ground through a resistor.
--
Gordonjcp
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