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Jet City
Jet City Amplification 100HDM 100W/50W Tube Guitar Amp Head

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Jet City Amplification 100HDM 100W/50W Tube Guitar Amp Head

5.0 (3)

1 Critic Review

2 Reviews

Find out who is using Jet City Amplification 100HDM 100W/50W

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Page last updated Aug 10, 2025

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Description

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The Jet City Amplification 100HDM 100W/50W Tube Guitar Amp Head is a powerhouse that brings both versatility and vintage tone to your rig. Designed with the modern guitarist in mind, this amp head offers a switchable power output of 100 watts and 50 watts, allowing you to balance between high-volume performance and intimate practice settings. The two-channel setup provides both pristine clean tones and rich overdriven sounds, making it a suitable choice for a range of music genres.

Built with robust components, this amp head is equipped with a trio of 12AX7 preamp tubes and a quartet of 6L6 power tubes, ensuring reliability and a warm, dynamic response. The front panel features comprehensive controls including independent gain and master volume for each channel, along with a shared EQ section that includes bass, middle, and treble controls. This configuration allows for precise tonal shaping, whether you're dialing in crisp cleans or aggressive leads.

The 100HDM's tube-buffered effects loop is perfect for integrating your favorite pedals without losing the amp's natural warmth, ensuring that your effects come through with clarity and presence. Additionally, a depth control adds bottom-end resonance, giving your sound additional weight and presence. Whether you're playing in a studio or live setting, this amp head delivers the punch and clarity that discerning guitarists demand.

Key Features:

Switchable power output: 100W / 50W
Two-channel design with shared EQ
Trio of 12AX7 preamp tubes and quartet of 6L6 power tubes
Tube-buffered effects loop
Independent gain and master volume controls per channel
Depth control for added resonance

Videos

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Andertons Music Co

Jet City Amplification Flagship Range - PicoValve, JCA100HDM, JCA5212C & JCA50H

Andertons Music Co

Jet City 100HDM Demo || A Soldano You Can Afford!! 💯

Agufish

Jet City Amplification JCA100HDM Demo

JetCityAmplification

Jet City 100HDM Playthrough - 100 Watts of Soldano Tone!

Luke Kramer

Real Reviews: Jet City 100 HDM

Luke Kramer

Metal Amp Shootout: Diamond Phantom vs 6505+ vs Jet City 100HDM

Luke Kramer

Jet City 100HDM + JCA24S - Playthrough

Aramgeddon

Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Jet City Amplification 100HDM 100W/50W Tube Guitar Amp Head.

Mods and upgrades

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Epic Tone offers a half power mod for the Jet City 100HDM, along with various other modifications for tone customization.
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Swapping the stock power tubes for EL34s can enhance the Marshall-like "hotrodded" tone, making it more aligned with classic rock sounds.
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A specific mod exists for the Jet City 100HDM that brings it closer in tone to the SLO-100, ideal for those seeking that sound.
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Features and functionality

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The Jet City 100HDM can operate at 50 watts by pulling a pair of power tubes, which provides about a 3dB decrease in sound pressure.
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The amp's ability to switch between 100W and 50W provides versatility, catering to both larger venues and smaller settings.
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Use cases and applications

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A JCH little black box in the effects loop allows cranking the preamp for tone without overwhelming volume, useful for lower volume playing.
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Despite being a high-wattage amp, the Jet City 100HDM's ability to operate at 50 watts makes it suitable for various settings, including mid-sized venues.
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User experience

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Some users build isolation boxes with a mic inside for quieter practice, routing sound to a mixer and using monitors to play in the room.
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Owners appreciate the amp's affordability, especially when seeking a tube-driven sound similar to the Marshall DSL40C without the higher price tag.
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Owners suggest the Jet City 100HDM provides a "bigger" and more modern sound at 100W, while 50W offers a more vintage feel.
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Comparisons

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The Jet City 100HDM shares tonal characteristics with Soldano circuits, offering a "traditional hotrodded Marshall" sound, which can appeal to those seeking that specific vibe.
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The Jet City 100HDM is likened to the Soldano SLO-100, offering a similar circuit design, but at a fraction of the price.
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The Jet City 100HDM is recommended over the JCA100H for those who want the added Depth mod and half power switch.
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Critic Reviews

JCA100HDM Review: For me and what I do, it suits my needs well. | Jet City Amplification | Guitar Amplifiers | Reviews @ Ultimate-Guitar.Com

ultimate-guitar.com

The Jet City Amplification 100HDM delivers impressive versatility and sound for its price, drawing comparisons to high-end Soldano models. With its robust build and dynamic range, it covers everything from romantic cleans to hard-rock gains, making it a top choice for rock and metal players. However, its brightness may require careful EQ adjustments, and some noise issues could arise depending on your setup. For those seeking rich tones without breaking the bank, this amp is a fantastic contender, especially given its reliability and ease of use.

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5.0 out of 5

Based on 2 Reviews and 3 Ratings

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jakenunez

795

over 9 years ago

A powerful, powerful amp

The Jet City line of amps is design by the legendary Mike Soldano, creator of the badass Soldano SLO and Hot Rod amps. Keeping consistent with the Jet City offerings of incredible design at a cost that doesn't break your bank (thanks China!), the JCA100HDM packs a MAJOR punch. The 2-channel, 100/50W head is for those who love gain. With the crunch (aka "clean) and the overdrive channels, one can dial in some intense toanz. The HDM features preamp and master controls for each channel with shared equalization, presence, and depth knobs. The depth knobs is what separates this from the regular JCA100, as it adds some low to this very trebly amp. For me personally, I like it - I love it when the amp does the work and can handle being pushed hard. Although the stock tubes aren't the best, this amp does deliver in its stock form and has loads of potential. 5/5 would buy moar