Blackstar St. James 100 Lightweight 2x12 Valve Combo Amplifier in Black

The Blackstar St. James 100 is the world’s lightest 100-watt all-valve combo amplifier—offering uncompromising tone, versatility, and stage power in a sleek, portable package. Crafted for serious gigging musicians, it blends boutique valve character with modern features for recording, rehearsal, and live performance.

Powered by a pair of 6L6 tubes, the St. James 100 delivers shimmering cleans, articulate overdrive, and massive headroom, while its switchable 50 W/2 W power modes let you tailor the output for any venue or home use. The built-in reactive load and CabRig™ DSP cabinet simulation make silent recording and DI output effortless—no need for microphones.

Key Features:

• 100 W all-valve combo amplifier (switchable to 50 W or 2 W)

• 2 × 6L6 power valves and ECC83 preamp valves

• Celestion G12Z-70 12″ speaker

• Two footswitchable channels with independent EQ

• Voice switches for American and British tonal characters

• Integrated CabRig™ DSP cabinet and mic simulation (USB/line out)

• Built-in reactive load for silent recording without a cab

• Series effects loop with level switch

• USB audio interface for direct recording

• Lightweight design – approx. 14 kg

• External speaker outputs (8 Ω and 16 Ω)

• Black tolex finish with matching grille

Specifications:

• Output Power: 100 W / 50 W / 2 W

• Valves: 2 × 6L6 (power), 3 × ECC83 (preamp)

• Speaker: 1 × 12″ Celestion G12Z-70

• Weight: ~14 kg

• Dimensions (W × H × D): approx. 540 × 465 × 285 mm