Impact 60 A - Channel 1 preset

Verified · 86/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Impact 60 is an English all-tube 60-watt head, this being the Bright version from around 1970 to 1971. Two channels, each with two inputs, run an ECC83 gain stage into their own treble and bass network and volume, then a second gain stage, and mix into an ECC83 long-tailed-pair inverter with negative feedback. Two fixed-bias EL34s run from a solid-state supply into 15 and 7.5-ohm taps. Clean to moderate gain, crunching when pushed.

• Made in: UK
• Wattage: 60W
• Channels: 2
• Preamp tubes: 3× ECC83
• Power tubes: 2× EL34

Tags: british, vintage, el34, crunch, two-channel.

Schematic-derived preset files for 16 Fractal and Line 6 modelers: Axe-Fx II/XL/XL+, Axe-Fx III, FM3, FM9, and the full Helix family (Floor, LT, Rack, HX Stomp, HX Stomp XL, Native).

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