She hasn't sounded the same since

These things are really impressive I've been working with analog audio consoles for most of my life but these things are being phased out for digital consoles which are smaller, can handle more channels and have some really cool features. But analog consoles are still the way to go if you want cheap. Yamaha's flagship digital console the CL5 retails for $26,000 US dollars and its little brother the QL5 retails for $16,000, you can get an analog console for so much cheaper. The other thing to keep in mind here is servicablity, this thing was designed to be serviced by roadies because they don't have time to have a piece of equipment down for weeks due to repair. This way they can quickly replace a module and do regular maintnce in 1 to 2 hours rather than 1 to 2 weeks. The parts are very likey made by JRC since that was Yamaha's go to supplier for things of this era. The CL5 and QL5 take inspiration from this console with the matrix system. Normally analog audio consoles indivual channel knobs go as follows: Gain, AUX send 1-4 and somtimes 5 and 6, High EQ, High Mid EQ, Low Mid EQ, Low EQ, Pan, and then mute, fader and fader send. AUX sends are just a way to send audio to another source becides the main output, and they can be either pre fader or post fader, pre fader meaning that the signal leaves the AUX send before it goes to the fader and post fader meaning it leaves the AUX send after it leaves the fader.

Buenas noches saludos desde Venezuela. Usted me podría decir en que año se fabricó está Yamaha modelo M3000A???

I'm surprised of how consumer grade & cheap the insides look for a professional product, even the fuses are soldered in. It looks more like something you would see inside a cheap boom box but extremely up scaled & I thought the minimum standard for a professional product would be much higher then that. I'm sure you could spend weeks salvaging enough parts to last for years out of something like that.

I learned to mix on an M2000. That was in 1996 and it was brand new. Yamaha's are rock solid, you could roll this thing down a flight of stairs and it would keep ticking. Once you learn what one channel does, you know them all.

Also, roadies are NEVER allowed to adjust a console, they're just grunts. The operator and maybe a trusted assistant of the console should be the only one(s) adjusting anything.

"and just because I can" YEET

Disregarding stereo, it's actually mixed to two buses – house sound and foldback monitors. If you must include stereo, then you must also include multiple foldback monitors, so it can easily get a bit complicated if the lead guitarist and vocalist and rhythm guitarist need separate foldbacks, which is where the matrices come in.

In general these ld analog boards are going for nothing. A lot of churches, venues and sports arenas are switching to digital boards which are smaller, and offer memory.
As far as that board, I used to work on Yamaha PM 1000 and 2000 series. Thats a kind of a mid tier product line.
The Yamaha thing was their matrix mixer. Which is the mass of knobs right in front of Dave. It allows you to mix all the busses in varioys combos for different speaker stacks.
Most of the knobs on the channels are going to be for effect sends.
The scene memory only stores VCA level and group settings. A modern digital equivalent would save EQ, effects, and every other knob and setting per channel. Some even allow for timecode synced automation. Such that they turn thigns up and down in time with the audio program. Great for synced video and big productions like Broadway stuff.

This board isnt that sought after. It's not got transformer balanced inputs or discrete mic amps or inductor EQ like the older PM series stuff.
The power rails are probably 12 or 16v bipolar. Older Yamaha PM stuff was 24v or 44v bipolar. So there is a difference in headroom and such too.
The older model series would have had an all discrete through whole architecture. With a seperate board for each channel, and for the master busses.
The 8 channel PCB buckets are a later cost saving measure they got into in the 90's.
You should see the old PM1000 construction. Bell Labs style cable wrapping, the like of which I've only seen in old school AT&T facilities.

Knoooooobs!!!

Music was so much better when it was recorded in analog.

The world is mainly built for people who see the world in a digital way, but music really sounds best in analog.

Uses middle finger to point at the double sided stereo circuit board