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Yes. As you can see, if you disconnect the green wire (where 0% is printed next to the Mix pot), and LDR14 is faulty, you will get no sound at all via the loop. If you can find it and get at it on the board, try temporarily jumpering the signal side of LDR14 with a wire (the end labeled 'cell'...

If the loop worked before with the green wire connected and now doesn't, it has to be either a broken Send or Return jack, or a failed LDR (#14), or a fault with the track of the mix pot, since these are the only four components in the 'wet' signal path. Unfortunately my money is on the LDR...

Yes, that is all correct.

Yes, fine. The rectifier tubes remain in the circuit, but are bypassed by the silicon diodes. So if you have a shorted rectifier tube, you will have to remove it even if the amp is set to silicon diode. (On the 3-channel Rectifier. On the 2-Channel Rectifier, they are actually separate and you...

You can't get there from here. Speakers that will sound good for guitar will sound bad for TV or music, and vice versa - they're two totally different types of speakers and sound requirements. Also, I'd bet that guitar speakers will sound very bad mounted in a ceiling, although I've never...

It's not worth bothering - just run all the FX in front of the amp. The loop is pointless anyway since it doesn't come after any of the distortion. The Blue Angel is purposely designed for only power-amp distortion, and if you do manage to make its preamp distort first, it sounds dreadful. If...

I really wish I'd kept a copy of something with Celestion's original description in it! This was just at the time that old speakers were starting to become desirable, when people were beginning to notice that the old cabs with 25s and 30s sounded much better than the new ones. Wrong and wronger...

Which is not possible, with four 16-ohm speakers. I read that quote too, and took it to mean that "running at 8 ohms" meant that he runs his amp at 8 ohms into a 16-ohm cabinet. Not ignoring - just that the difference in impedance should be responsible for some of the difference in tone. Even...

DO NOT try pulling two tubes - you'll fry the two in the amp. Like a lot of EL84 amps the Maverick is cathode-biased with a common cathode resistor, so it must be run with all four tubes. The only really practical way of reducing the power to half or below is an attenuator - the Dr.Z Airbrake...

Yes. I would expect it to sound brighter and tighter at 16 ohms than 8 even if the speakers were identical, and even if the amp is correctly matched to each one. Also, do the speakers have equal break-in time? This makes a big difference with V30s, even long after what would normally be thought...

Remove the power tubes from the Peavey. Then it will definitely be safe. It will also be safe if you remove the phase inverter tube, but make sure you get the right one! It should be the 12AX7 closest to the power tubes. You could put a shorted plug in the FX return, which will also mute the...

Great deal! I personally prefer the 22-fret PRSs, but those are some very nice-looking guitars... DC-3s punch so far above their weight it's almost funny. The only thing that lets them down a bit is the stock speaker, if it's the Vintage Black Shadow (Eminence made) - too midrangy. Replace it...

It will be a '94 Rev G, since my Tremoverb is R-0039-something and it's May '94. The Tremoverb came after the Rev G. The answer to the original question is Tremoverb, of course ;). Kind of "Rev H", although it was never given a Rev letter.

What screamingdaisy said - it's the cab. The speakers in the Mesa cab will be either V30s or C90s, which are both 100dB speakers with strong midrange (higher mids for the V30, lower mids for the C90). The speakers in the 1960 will be G12T-75s which are 97dB speakers with a hollow midrange. That...

It looks like it's in parallel with the treble cap on the Orange channel, which would increase upper mids on that channel. C24 is the mid cap for the Red channel, so the 47K resistor and the cap immediately below that are the slope resistor and treble cap for the Red channel; thus the...

Why are you maxing the send level? That will probably make the loop circuit distort, which could be part of the problem. Either - do what it says in the manual and start with the Loop Active Master at noon, and adjust the send level to give unity gain; - or go even further and max the LAM...

It is absolutely an amp FX loop issue. It's caused by the extremely crude way Mesa implement parallel mixing, which allows some of the signal from the return to bleed back to the send and hence feed the FX unit's output back into itself. I'm amazed Mesa need to investigate this issue at all...

I think that might be the nicest Les Paul I've ever seen.

DC-10 and a boost pedal if it doesn't have enough gain. Seriously, not enough gain?! The DC-5 I had had more gain than my Tremoverb - which was quite a surprise when I got the Tremoverb, although I never normally need that much anyway so it wasn't a problem. If the DC series doesn't have enough...

500W is fine even at band volume. Fully cranked the amp draws less than 400W, and you're unlikely to actually drive it that hard anyway - that would be into full power stage distortion and insanely loud. If you keep the clean channel clean you're unlikely to go much above half that. The fuse is...