LM13600 Analog LP/HP Filter Boutique Limited Edition TSL Studio

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.

• 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.

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

• 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!