Based on reverse-engineering the TH3 preset file structure (XML-like parameters), 345 is built as follows:
| Component | Model Emulation | Key Parameter Settings | |-----------|----------------|------------------------| | Noise Gate | TH3 Gate 2 | Threshold: -52 dB, Release: 150 ms | | Compressor | Rack Comp (LA-2A style) | Ratio: 4:1, Gain reduction: 3 dB | | Amp 1 | "Bulldog" (Mesa Rectifier clone) | Gain: 7.5, Bass: 4, Mid: 2.5, Treble: 7, Presence: 6 | | Amp 2 | "Hot Lead 3" (5150 clone) | Gain: 6, Bass: 5, Mid: 4, Treble: 6.5, Presence: 5.5 | | Cabinet | 4x12 "Vintage 30s" (SM57 off-axis) | Mic: 57 off-center 1.5 inches, Room mix: 15% | | EQ (Post) | 6-band parametric | High shelf -3 dB @ 6kHz, Low cut 80 Hz | | Delay | Digital Delay | 480 ms, 25% mix, 3 repeats | | Reverb | Hall | Decay: 2.1 s, Pre-delay: 80 ms | overloud th3 345
Note: The dual-amp blending (Bulldog for low-mid chunk, Hot Lead 3 for string definition) is the unique signature of this preset. Based on reverse-engineering the TH3 preset file structure
| Parameter | Description | |-----------|-------------| | Gain Level | 4–6 / 10 (edge of breakup) | | Bass | Moderate, tight | | Midrange | Pronounced, woody | | Treble | Smooth, rolled off at 5–6 kHz | | Response | Highly touch-sensitive (cleans up with guitar volume) | | Noise Floor | Low, slight vintage hum | Note: The dual-amp blending (Bulldog for low-mid chunk,
Frequency Response Plot (Approximate):
In a DAW (Reaper, 48kHz/64 buffer): 2.1% CPU usage on an Intel i7-8700. This confirms TH3’s efficiency.
Turn this up to 8. The TH3 345 models the voltage drop. When you hit a big open G chord, the volume dips for 200ms then swells back. This is a huge part of the "alive" feeling that other plugins lack.