ONE-OF-A-KIND Analog LP Filter Prototype

TSL Studio Equipment — Analog Filter Prototype (LM741)

This is a one-of-a-kind analog filter prototype, fully handmade in Greece and designed by George Tsomokos. Only one unit exists — this is the original prototype.

Built around the classic LM741 op-amp, this filter delivers a warm, organic and unmistakably analog character. Every detail has been crafted for musicians who want expressive control, deep modulation and true boutique quality.

Core Features

Fully analog signal path using LM741
Input Gain control for precise signal level shaping
Filter control (cutoff) for smooth or aggressive sweeps
Resonance control for subtle warmth up to extreme self-oscillation
True Bypass — pure signal when disengaged
Advanced Modulation

Internal LFO with 50 unique waveforms
LFO Speed and Depth controls
Dedicated LFO On/Off switch
Bottom-mounted switch to scroll LFO waveforms forward or backward
Connectivity & Power

Mono operation
1/4" Jack Input & Output
Powered by 9V DC (negative center tip)
Craftsmanship

100% handmade in Greece
Built with high-quality NOS components
Designed and assembled by George Tsomokos
Prototype unit — collector’s piece
Applications

Perfect for:

Synthesizers
Bass
Electric guitar
Studio sound design
Experimental and live performance setups
This is not a mass-produced unit.
It is a statement piece — made for musicians and collectors who value originality, analog depth and handcrafted instruments with soul.

Availability:
✔ Only 1 prototype available
✔ Once sold, it’s gone

🧠 Optional Short Description (for listings / previews)

One-of-a-kind analog filter prototype using LM741, featuring a 50-wave internal LFO, true bypass, and NOS components. Handmade in Greece by George Tsomokos.



US Shipping Information for USA Customers

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