Publisher: Amalgam Captures
Website: amalgamcaptures.com
Format: NAM, WAV
Quality: 24 bit · 48.0 kHz · mono
- 7.8 MB
Description:
The 1966 MRSH JT45 recording kit aims to recreate the sound of the amp that launched the entire Marshall line and became the standard for rock and blues in the 1960s—the original 1966 Marshall JTM45, featuring a Drake 8K output transformer, NOS GEC KT66 tubes, NOS Mullard 12AX7 tubes, and a Mullard GZ34 rectifier.
We were fortunate to acquire an extremely rare, original, early JTM50 (with its original JTM45-style chassis and front panel) with a GZ34 rectifier. Since the circuits of both amps are virtually identical, including the filter capacitor values and configuration, it was a big surprise how different the two amps sounded.
The JTM45 is definitely a big step closer to its 5F6A-based lineage—it has a smoother, more open response, a more sparkling clean sound, and a deeper, more extended bass response. The JTM50 has a narrower frequency response, making it more midrange-focused, less sparkly, and with tighter bass. The JTM50’s Drake output transformer and use of the EL34 vacuum tube are the quintessential Marshall sound, while the JTM45 is a stepping stone between the 5F6A and EL34-based Marshall lines.
It’s ideal for rich, bluesy tones. This is the famous Beano amplifier, used by Eric Clapton, one of the amps AC/DC used early in their career (like the Ballbreaker), and Pete Townshend was an early user and even a proponent of its development.
But before it achieves some of the most beautiful crunch tones, it also boasts some of the most beautiful clean sounds of any British or American amplifier. If you’ve ever wondered what the term “complex clean sound” means, here’s the answer.
SPECIFICATIONS:
– 2xKT66
– 3x12AX7
– 1x GZ34
– Fixed bias
– Negative feedback loop
– 35W output
