British 45
The Marshall JTM45 Half Stack is a classic British amplifier known for its warm, dynamic tone and smooth breakup. Featuring a 30-watt all-tube head paired with a 4x12 cabinet, it delivers rich cleans and creamy overdrive, making it ideal for blues, rock, and vintage-inspired sounds. Its simple control layout and GZ34 tube rectifier contribute to its signature touch sensitivity and organic response, cementing its status as a foundational amp in rock history.
Fender Model Guide
A British amplifier design rooted in the earliest generation of high-powered rock amplifiers. Warm cleans, smooth breakup and strong dynamic response make it equally at home with blues, roots music and classic rock.
- VOLUME I Adjusts overall Bright channel volume.
- VOLUME II Adjusts overall Normal channel volume.
- TREBLE Adjusts high frequencies.
- MIDDLE Adjusts midrange frequencies.
- BASS Adjusts low frequencies.
- PRESENCE Adjusts ultra-high frequencies.
Also included as an amp head only.
From the Fender Tone Master Pro Model Guide
- Based on
- Marshall JTM45
- Real gear released
- 1962
- Amp type
- Tube
- Power (watts)
- 30
- Speakers
- 4x12
Unofficial fan reference by Worship Calling. Not affiliated with or endorsed by Fender. Tone Master Pro is a trademark of Fender Musical Instruments Corporation. Other product names belong to their owners and are used only to identify the gear each model is based on. Details are a guide, so check the Fender manual for exact controls.