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Hagerman Amplification

4.5 (123)

Valve - 12AU7 Warm Boost Pedal

Name: Hagerman Amplification Valve - 12AU7 Warm Boost Pedal - Valve - 12AU7 Warm Boost Pedal
Brand: Hagerman Amplification
SKU: 40202329129154
Price: 169.0 USD
Availability: InStock
Rating: 5 (4 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$169.00

Quantity

Color

Black

Quantity

Description

VALVE is an all-tube boost pedal (no silicon involved) operating in starved-plate and starved-heater mode, which is difficult to pull off. Most attempts (Matsumi) have marginal performance due to excess grid current at such low bias. This n...

Reviews

5.0

4 ratings

Magic. Absolute magic.

Jonathan · March 6, 2026

Superb craftmanship

Carlos · December 2, 2025

Amazing product. Jim Hagerman is an amazing pedal creator. I use this pedal for an always on pedal that brings tube flavor to my rig. It brings back certain frequencies that I did not know I lost.

Steve · February 22, 2024