PedalBro

Boost · AMT

AMT HR-1 Heater

The HR-1 Heater is a tube-based boost pedal that uses a 12AX7 tube to add warmth and compression to your signal. It offers independent control over level, gain, and tone.

  • 9-12V DC · center −
  • 10 mA
  • Mono
New
from $79.99
Used (asking)
from $70

The rundown

Highlights

  • Uses a 12AX7 tube for authentic tube warmth rather than solid-state modeling
  • Flexible power options: runs on 9V or 12V DC
  • Three controls: Level, Gain, and Tone
  • Compact footprint at 55.9 x 114.3 mm
  • Low power consumption at 10 mA

Best for

Players seeking tube-based boost coloration in a compact format.

Quick facts

Power
9-12V DC
Current draw
10 mA
Polarity
Center negative
Dimensions
55.9 × 114.3 mm
Controls
Level, Gain, Tone
Stereo
No
MIDI
No
Status
In production

Where to buy AMT HR-1 Heater

$79.99 lowest new price · Reverb

Used listings asking $70–$70, median $70 (1 listing, small sample). Asking prices, not sold prices.

Current offers
SellerConditionPriceLink
ReverbUsed$70View
ReverbNew$79.99View
ReverbNew$117.95View
ReverbNew$119View

Prices last checked 20 hours ago. Links to sellers are affiliate links.

Frequently asked questions

What power supply does the HR-1 Heater need?

The HR-1 Heater runs on 9-12V DC, center-negative, at 10 mA.

What controls does the HR-1 Heater have?

The HR-1 Heater has three controls: Level, Gain, and Tone.

How big is the HR-1 Heater?

The HR-1 Heater measures 55.9 x 114.3 mm.

Similar pedals

Same type, similar features.

Specs from pedalfilter. Summary written by PedalBro from those specs and public descriptions.

Page last updated September 29, 2026.