The AMT SS-10 is a three-channel tube preamp in a 1U rack chassis, made by AMT Electronics. AMT describes it as a completely tube based four-stage preamplifier built around two 12AX7 (ECC-83) tubes, supplied as Electro Harmonix stock tubes1. The three channels, Clean, Crunch and Lead, each have their own gain and level controls, with a final master volume setting the overall output of the unit1.
AMT lists the SS-10 as available now1. Its feature set also includes a global noise gate, a compressor, a power amp section with nine types, an IR cab simulation with one IR for both L/R channels per preset, and a delay or reverb effect per preset23.
The controls: Clean, Crunch and Lead channels
The SS-10 is separated into three individual channels, each voiced for a different range of gain. AMT says the Clean channel provides anything from smooth warm driven tube sounds to bright and shimmering clean tones, and the Crunch channel covers semi-clean to mean sounds: blues overdrive, classic rock drive, and vintage 80s hair metal crunch. The Lead channel is aimed at what AMT calls mean to EXTREME+ guitar tones, pure tube metal distortion for aggressive players and drop tuners1.
Each channel has its own gain and level controls, which AMT says makes fine tuning easy, and a final master volume control adjusts the total overall output of the unit1.
| Channel | Controls | What AMT says it covers |
|---|---|---|
| Clean | Low, Mid, High, plus an EQ adjustment switch offering 3 tone stacks | Smooth warm driven tube sounds to bright, shimmering cleans1 |
| Crunch | Gain, Level, Low, Mid, High, Presence, 3-position Treble Shift switch | Blues overdrive, classic rock drive, vintage 80s hair metal crunch1 |
| Lead | Gain, Level, Low, Mid, High, Presence, Treble Shift switch | Mean to EXTREME+ tones, pure tube metal distortion1 |
Channels can be selected and switched with the red selector buttons on the unit or with the optional AMT FS-2 footswitch1.
Inputs, outputs and power
The SS-10 has a guitar input jack on both the front and the back of the unit, so it can live in a rack and still take a cable from the front when needed. The front and rear inputs differ in sensitivity: the front panel input is rated at 1MOhm input impedance with -20dB sensitivity, while the rear panel input is 1MOhm with -10dB sensitivity1.
There are three outputs: Amp Out for feeding a power amp, Cab Sim Out for the built-in speaker simulation, and Headphones Out, which AMT describes as easy monitoring in the studio. The headphone output is rated at 10kOhm at .125 W, and the main output impedance is 10kOhm1.
The SS-10 runs on 12V DC with a center-negative plug and draws 600mA (0.6A)1. That current draw is well above what a typical low-current pedal supply delivers, so the unit needs a supply rated for it rather than a shared daisy chain.
Rack format and effects
AMT calls the SS-10 a super-slim 1-rackspace unit only 3.5 inches deep1, which matters for players with shallow rack cases. Beyond the preamp itself, the unit carries a set of built-in processing: a noise gate as a global setting, a compressor, a power amp section with nine types, an IR cab simulation using one IR for both L/R channels per preset, and a delay or reverb effect per preset23.
For players comparing formats, AMT also builds the same three-channel concept into pedal-sized units such as the AMT SS-20, AMT SS-30 and AMT SS-11B, and single-channel preamp pedals across its Bricks and Legend ranges, including the AMT Bricks P-Lead and AMT Legend Amps P2. The SS-10's rack format, front and rear inputs and headphone output are what set it apart from those floor units.
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Questions
What tubes does the AMT SS-10 use?
The SS-10 uses two 12AX7 (ECC-83) tubes, supplied as Electro Harmonix stock tubes, in a completely tube based four-stage preamplification circuit according to AMT Electronics.
How deep is the AMT SS-10 rack unit?
AMT describes the SS-10 as a super-slim 1-rackspace unit that is only 3.5 inches deep, so it fits in shallow rack cases where deeper preamps will not.
Does the AMT SS-10 have a headphone output?
Yes. The SS-10 has three outputs: Amp Out, Cab Sim Out, and Headphones Out. AMT rates the headphone output at 10kOhm at .125 W, which the maker describes as easy monitoring in the studio.
Which footswitch works with the AMT SS-10?
Channels can be selected with the red selector buttons on the front panel or with the optional AMT FS-2 footswitch, which AMT lists as an add-on rather than an included accessory.
What power supply does the AMT SS-10 need?
The SS-10 runs on 12V DC with a center-negative plug and draws 600mA (0.6A), so it needs its own supply with enough current rather than a typical low-current pedal supply.
Sources (3)
- AMT SS-10 (Studio Series preamp), AMT Electronics, 2026
- AMT SS-10, AMT Electronics (media.amtelectronics.com)
- Louna AMT Film (AMT SS-10), Media center of AMT Electronics
