30 W · Class A · All tube
Hot
Glass 30
The second RL design began with one rule: no silicon in the signal path, only valves. A lively, defined clean tone with exceptional touch sensitivity.
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The second RL design
No silicon.
Only valves.
Following the Blue Eye, the Hot Glass 30 took the RL philosophy towards an amplifier built around clean tone, dynamics and a direct connection with the player.
The Fender-inspired preamplifier uses an Electro-Harmonix 12AX7. A second EH 12AX7 drives the long-tail phase inverter, keeping the sound open, defined and ready to respond to every variation in touch.
- Architecture
- Single-channel head · all-tube signal path
- Preamp
- 1× Electro-Harmonix 12AX7 · Fender inspired
- Phase inverter
- Long-tail pair · 1× Electro-Harmonix 12AX7
- Power stage
- 4× JJ 6V6 · Class A · cathode bias
- Rectification
- Selectable: JJ GZ34 or solid state
- Output transformer
- Vox AC30-derived architecture
Responsive by design
The sound follows your fingers.
Volume and three-band EQ — Treble, Middle and Bass — shape the core voice. The Fat/Thin switch adapts the basic character to different guitar pickups: extra body and depth, or a leaner, more open response.
Presence and Resonance work on the output-stage feedback, completing the shaping at both ends of the spectrum. The JJ 6V6 valves were chosen for a smooth, modern and personal voice, while the output transformer follows a Vox AC30-derived architecture.
JJ GZ34 tube rectification delivers the maximum touch dynamics associated with vintage amplifiers. Solid-state rectification produces a firmer, more expressive and defined response.
On the rear panel, Gain Focus adapts the signal from different guitars to the output stage. It can preserve extra headroom or encourage earlier power-stage breakup and natural output-valve saturation. Together, these choices make the Hot Glass 30 one of the finest amplifiers ever built by RL.
- Volume · Treble · Middle · Bass
- Fat / Thin voicing
- Presence and Resonance on the feedback loop
- Gain Focus for headroom or power-stage breakup
- JJ GZ34 or solid-state rectification
Pure tube path · Touch responsive