Inside the DRGN 100 Custom Shop
DRGN 100 Custom Shop is built around a dual-voice gain structure that moves from classic British authority into fully developed high-gain articulation without losing identity.
The Plexi foundation delivers immediacy, harmonic texture, and midrange authority. The cascaded gain structure extends that voice into higher saturation while preserving clarity, note separation, and control.
This is not a switch between two amplifiers. It is a continuous system designed to maintain coherence across gain levels.
- British-voiced Plexi preamp foundation
- Cascaded high-gain architecture (switchable)
- Class-A cathode follower tone stack integration
- Phase inverter tuned for dynamic response and authority
The control system in DRGN 100 Custom Shop is designed to shape not just tone, but the behavior of the amplifier under the hands.
Frequency shaping, gain structure, and response characteristics are interconnected, allowing the player to refine attack, sustain, and harmonic density without disconnecting from the core voice of the amp.
- Dual-mode EQ: JTM / JMP voicing
- 400Hz boost for body and string balance
- Ultra Presence: selectable high-frequency contour points
- FOCUS mode: shifts midrange response and projection
- Low frequency push for added weight and authority
The DRGN 100 is built around a 100W EL34 output platform designed for authority, headroom, and composure under real performance conditions.
The power section is tuned to maintain clarity and dimensionality at volume, preserving the integrity of the signal as it moves from preamp articulation into full output stage expression.
- Quad EL34 output section (Class AB, fixed bias)
- ~495V DC plate voltage for full dynamic range
- Solid-state rectification for tight response and stability
- Custom USA-wound transformers by Heyboer
DRGN 100 Custom Shop integrates patented volume management technology designed to maintain tonal integrity across a wide range of playing environments.
Rather than reducing the amplifier to a lower-power version of itself, the system manages voltage, current, and output behavior to preserve feel, response, and harmonic structure at any usable volume.
- HybridMASTER™ volume management (patented)
- Venue Mode™ attenuation (patented)
- Maintains tone and feel across volume levels
- Designed for stage, studio, and controlled environments
- Foot-switchable gain and solo boost integration
- Hand-wired, point-to-point construction
- Premium capacitors (F&T, Mallory, Orange Drop)
- Sealed-action potentiometers (Tokyo Cosmos)
- Custom transformer set by Heyboer
- Built in Minneapolis, Minnesota
- Limited lifetime warranty
- Output: ~100W (4x EL34)
- Preamp Tubes: 3x JJ ECC83S, 1x Sovtek 12AX7LPS
- Rectification: Solid-state diode
- Output Impedance: 16Ω / 8Ω / 4Ω
- Dimensions: 29” W × 10.75” D × 8.375” H
- Weight: 45 lbs
- Included: 4-button footswitch, 7-pin cable
- Output: ~100W (4x EL34)
- Preamp Tubes: 3x JJ ECC83S, 1x Sovtek 12AX7LPS
- Rectification: Solid-state diode
- Output Impedance: 16Ω / 8Ω / 4Ω
- Dimensions: 29” W × 10.75” D × 8.375” H
- Weight: 45 lbs
- Included: 4-button footswitch, 7-pin cable
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