TSL Studio Equipment - Handmade LM13600 Analog HP/LP Filter
Limited Edition – Only 10 Units Worldwide

Elevate your sonic palette with this exquisitely crafted analog filter, hand-built in Athens, Greece. Powered by rare vintage LM13600 ICs and wound with pure copper wire, the TSL Studio Equipment filter delivers rich, organic tone and rock-solid reliability. Whether you’re sculpting soaring hi-pass sweeps or thunderous low-pass growls, this boutique unit will become the centerpiece of your rig.

Key Features

Vintage Rare LM13600 IC: Authentic, NOS chips deliver warm, musical character you can’t get from DSP.
Pure Copper Hand-Wound Connections: Ultra-clean signal path for maximum headroom and zero compromise on clarity.
Dual-Mode Filter: Instantly switch between High-Pass and Low-Pass contours for full tonal flexibility.
True Bypass Switching: Preserves your tone when the unit is off.
External CV Input: Control cutoff via LFOs, ADSRs, or modular gear for dynamic modulation.
Controls

Filtering (Cutoff)
Resonance (Q-Peak)
Master Volume
LP/HP Selector Switch
True Bypass Footswitch
Specifications

100% Handmade in Greece
Dimensions: 4.7 in x 3.7 in x 1.34 in (119 mm x 94 mm x 34 mm)
Power: 9 V DC (Negative center tip polarity)

Shipping & Availability
Only 10 hand-built units available—ever.
Worldwide shipping via A-Priority registered mail with tracking.
Packs leave Athens within 2 business days of order.
Have questions or need a custom finish? Feel free to drop us a message anytime. Bring the warmth of true analog filtering into your setup—secure yours today!