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It looks like you wired mains "hot" (black) from your inline fuse output to the "in" post of the Carling SPST switch, then the PT black to the "out" of the SPST switch. Is that correct?

Hi Mark! Thanks for this video! I was seeing the two tone modifications that you made with the two switches located between the volume and input jacks. Can you send me a simple diagram where you made the conections?

Leo Fender was before his fabulas start of guitar and amp builder a radio technician. That implies working in transmitters (that was the birth of total useless standby switches on guitar amps wich was copyed by every amp builder after Leo) and implies working on receivers and audio (music) amplifiers. In the normal audio amplifier you want no distortion. Even when the volume was maxed there must be no distortion. So in the home audio amps there was a line called negative feedback that made it possible to put the volume on max and still have no distortion. That was for the people in the house. You do not want a radio that give a distorted sound. This changed with the coming of the guitar amps. There is a little till heavy distortion wanted. But Leo did in his first guitar amps still the negative feedback circuit. After a while most guitarist want some distortion and the neg feedback switch was born. For tone it is not changing anything at all. Switching will get you more volume and more distortion. When you simply turn the volume down till the distortion is gone you have exact the same sound as with the negative feedback switched on. So for guitarist the negative feedback is complete useless. Just my 2cent.

Great idea

Thanks

what cap are you using for "full range"? 25uf? I was wondering what would a 5f1 sound with a huge cap, like the bassman's 250uf?

Good backing track

hi how are ya I was just wondering how you use the detune function on the harmonizer block? if you can love this amplifire 12 unit

Could you share the schematic for these mods?

Thank you for the tips on the power switch. I ordered my pot, switch and fuse holder tonight. You the man!

I’m half tempted to do this myself with the NFB mod but using a foot switch. Could be useful.

Built one of these as well and will be doing similar mods. Was thinking of making cathode switch between 25uF and 1.5k combo to Marshall .68uF and 2.7k . Was hoping to hear NFB on and cathode cap option but have b7old and hear on mine. Also thinking about Brite cap across volume pot switch. I have a Weber alnico 8s speaker and my customer would like some more briteness option s. Lovely sounds regard less of any mods. Who knew 5w could be so good. Leo did! Cheers

What is the value of your feedback resistor? With the 22K it is useless and it oscilates. I have a 47K in now and that's better!!!

Thanks so much Marc! I had very bad 50 Hz (Europe) plus strong overtones hum on my Champ, depending on the volume knob position. For the moment I just removed the power cables from the switch and connected them (switching the amp on by plugging it in). What remains is a 100 Hz hum, less loud, which I think you do not cover in this video. Thanks again.

What do you think is the best 8” speaker for the champ

Hi Marc! Could you please share your Metallica presets? they sound really good. Thank you

With moving the output transformer off of the chassis, does that create a safety hazard being that the chassis is grounded? Did you end up running a ground wire back to chassis?

How about a tweed princeton with upgraded trannys to run a 6l6, and your mods but with all mallory 150's. Better classic fender tone!

Did you wire the power plug like a vintage amp or did you run the power wire in a modern way?

hello marc, nice mods on this little amp. I understood you installed a 25uF electrolytic on a side of the 3 way switch but couldn’t understand the other value... (is it .68uF poly ?) thanks nicolas

Great videos wow. Any chance I could send you a kit and you add your mods to it? Would love to have one based on your feedback and knowledge?

Your a Monster Chris. i miss jamming and playing with ya.

YEEEEEEEEEEES!!

How is that cathode bypass capacitor switch wired? Do you have the center pin of the switch going to the positive voltage end of the cathode resistor, with both capacitors connected to ground on one end, and each capacitor's other end connected to one pole of the switch? or do you have both capacitors connected to the wire that goes to cathode, and then you've got the switch middle pin on ground, and are tying one, the other, or neither capacitor to ground (seems like the latter would be the less expected way of doing this, but I couldn't see closely enough what was going on in there). Also... why did I see 3 polypropylene capacitors side by side in there? Were you combining a few together to get the value of capacitance that you wanted? Thanks!

Why don't just put the transformer at the other side of the chassis, instead of the bottom of the cab?

brilliant stuff mate!

I know this is a clone but do you know if you can change the speaker on the Fender 57 custom champ without taking out the chassis?

I appreciate all the info man. Looking into making a champ myself :)

Love Jerry Reed. Killer player and he was so good as Snowman.

Yeah man, nice demo! I like the muddy sound of the feedback bypass.

MORE MORE MORE MORE!

got the AA3 and have been using it for about 6 months. Love that damn thing!

Dumb question but how do you power these? Thanks

Where can I find this preset? Sounds pretty good! Thanks in advance!

settings?

Sounds great. Another cool Ibanez. You have a few :)

Go Marc!

sound great play verygreat..

I want to know as much as I learn about these guitars ------ Thanks

Rob hope to see u playing with Vai and Satriani they should invite you to the G3!!

pretty good. who is this lad? next Pete Thorn?

This guy always creates great tones but at the same time always seems to use overdrive pedals with his Amplifire. I'd love to know the framework he uses on the Atomic to make his pedals react so well with the unit. Can you share his basic preset(model/eq/choice of IR)?

The sound is great in all of the videos fromNAMM this year!

How do set the 2 right switches (on the AF12) to work as Bank up and Down ?

Whose the guitarist?!

After the amount of attention the regular Amplifire got, I'm surprised how little fanfare the Amplifire 12 has released to. I was expecting there to be a few user videos/reviews by now. I got mine a couple of days ago and I'm interested to hear what other people think of theirs. I'm enjoying mine but haven't had much time to get to grips with it yet.

Nice Bro! Excellent sound! \m/ \m/

it sounds pretty good. Playing Metallica stuff always helps me to both enjoy a lot and throw stress away 0:). Great piece of gear the amplifire ;)

that's not Chris its Chumlee from pawn stars lol for real if it's not him it's his twin brother

good job, one of only few good covers of this song on YT