Echo­lette - Klemt Echolette NG 51 Analogue delay

Klemt Echolette NG51 1960s – Tape Echo with Vacuum Tube Preamp, Vintage

Opportunity for collectors, producers and enthusiasts of pure vintage sound. I’m putting up for sale a mythical Klemt Echolette NG51, a German engineering classic known for offering one of the warmest tape echoes in the world and an absolutely legendary vacuum tube preamplifier.

Current equipment status:
Operation: The unit powers up and all tubes light up.
Mechanics: The motor starts and the tape system spins normally (magnetic tape included).

Cables: No cables included (uses the original DIN connections from the era).
Restoration Project: Needs an alignment, internal cleaning and a general technical overhaul to return to 100% operation.

It’s a simple project for someone knowledgeable in vintage electronics, because the mechanical and power bases are operational.

The Echolette Power (More than an Eco, a Supreme Preamplifier): The great magic of the NG51 lies in its vacuum-tube preamplification circuit.

Even without the echo engaged, the signal passes through the tubes and transformers, functioning as a "tone lifter". It adds body, depth and a three-dimensional harmonic compression impossible to replicate in the digital world. When driven, it delivers a rich, chewy overdrive, highly coveted in studios for guitars, vocals and synthesizers. It was one of the secret weapons of legends like The Beatles.

Highlighted Technical Features:
Origin: German-made (1960s).
Circuit: Fully tube with high-quality transformers.
Visual Interface: Includes the famous "Magic Eye" tube for signal monitoring.
System: Multi-head with 1/4 inch tape loop. An increasingly rare unit on the world market, with constant historical appreciation. Sold as-Is, perfect for technicians, studios or musicians who value true analog identity.