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Two Channels. Crunch and High Gain. Depth Control. 50 Watt Mode.‚Äč


Our flagship is two channels and 100 watts of pure tube power. The Crunch channel has plenty of headroom to deliver clear, bright clean tones and can be driven hard enough to get downright raunchy. The Overdrive channel is the circuit that made Soldano famous. The HDM version also includes the famous Depth Control, and a Metal front baffle, standard. The 100w / 50w brings the pain from 4 6L6 output tubes in 100w mode, or in 50w mode two tubes are turned off causing the power section to work harder to reach the desired output level, resulting in some pretty hot power amp distortion. Rounding out the feature set is the wire-mounted blue LED, just because it looks cool. This LED is socket mounted so it can be replaced with other colors, a daisy-chain of several LEDs, or removed entirely.


Tech Specs:


  • Channels: Crunch and Overdrive, foot-switchable with included footswitch

  • Controls: Normal and Overdrive Gain, Bass, Middle, Treble, Normal and Overdrive Masters, Presence, Depth. 100w/50w.

  • Effects Loop: Tube buffered

  • Footswitch: Overdrive channel footswitch, included.

  • Tubes: 5x 12AX7 Preamp / 4x 6L6 Power

  • Cabinetry: Multi-ply, void-free hardwood

  • Chassis: 16 gauge, cold-rolled steel

  • Output Power: 100 watts into 16 ohm or 2x 8 ohm speaker outputs

  • Input Power: Multi-tapped power transformer at 100v/120v/220v/240v and standard IEC connector

  • DIMS: 9.5″Hx9.5″Dx25″D

  • Weight: 43.6lbs net

1 Review Hide Reviews Show Reviews

  • 5
    JCA 100HDM Head

    Posted by Tom on 12th Feb 2017

    I can't believe nobody has posted a review of this head here. Ive been playing for well over 40 years. Throughout that time, I've had the opportunity to play and own quite a number of 100 watt tube heads. This one delivers without the gimmicky switches and buttons other brands offer. People who hear it can't believe it's made overseas - just like a lot of the "big name" amps today. It gives me the exact tone I want, and is very well built/reliable. The depth function is a must have feature on the HDM100 is one I wish was offered on all the Jet City line. I also play a Jet City 22H (EL34 power tubes), which gives a nice contrast to this head with its 6L6's. I have them hooked up together so I can play them in unison. I've never had such a great sounding rig! Don't let the asking price fool you - this one is worth every penny!