Nightfire 14 watt build

[Cinefactus]

Hello,

I built a Nightfire Electronics 14 watt amplifier with the Marshall tone stack and stuffed it in a metal box. I really like the sound of it. I'd like to get the preamp in a pedal format. It's a super clean amp which works well with my numerous pedals I play with. Anyone know of any PCB's that do similar? I thought about a Tonemender but I'm not at that skill level, I'd need a PCB.

[Loudthud]

What does it use for a power supply ? What did you build it on if you didn't have a PCB ?

[Tassieviking]

Is this the right schematic ?
It looks very simple to make a pedal from that.

[Loudthud]

What a poor design. No gain from Q1. Q1 is a switching FET not intended for Audio. High Impedance tone stack more appropriate for a tube amp. Low input impedance inverting opamp stage loads the tone stack too much. Power amp is OK but 100K input is higher than recommended for that chip.

Looks like it was hacked together by some internet hack without a clue.

[joecool85]

What a poor design. No gain from Q1. Q1 is a switching FET not intended for Audio. High Impedance tone stack more appropriate for a tube amp. Low input impedance inverting opamp stage loads the tone stack too much. Power amp is OK but 100K input is higher than recommended for that chip.

Looks like it was hacked together by some internet hack without a clue.

I agree.  This guy has TONS of electronics kits for sale, all of similar quality.  https://vakits.com/

[J M Fahey]

That said, I congratulate Cinefactus on having rolled up his sleeves and actually having built it 

For the preamp, build verything between the input Jack and the Volume control, which woud feed an output jack.
That preamp will run fine from a +9V pedal supply.

But to avoid designing and building "just one" PCB, suggest he searches those Pedal DIY sites, some offer proper size already designed and tested PCBs which can be made at home by the hobbyist friendly Toner Transfer method, a few can be used as standalone Preamps, since the Power amp is quite sensitive.

For example, a Marshall Guv´nor "distortion  pedal" is actually a full fledged Marshall preamp channel, go figure.

But even a simple/humble MXR Distortion+ pedal can be used as a basic preamp, even clean, if you add a switch to switch clipping diodes IN/OUT of circuit.
The MXR "clean" boost pedal is just that.