Darglass Electronics Harmonic Booster Clean Bass Preamp

A revival of one of Darkglass’ earliest designs, the Harmonic Booster is a clean bass preamp built to shape tone with precision, clarity, and musical control. It adds attack, presence, and harmonic detail while giving you flexible EQ tools to fine-tune the character of your sound.
• Clean bass preamp with added attack, presence, and harmonic richness
• 3-band active EQ for detailed tone shaping
• Character control for signature harmonic and filter shaping
• Semi-parametric mid control for extra flexibility
• Designed to pair seamlessly with Darkglass distortion circuits

US and EU parcels ship via UPS, ETA 1-7 working days from pickup day zero. That also applies to most locations worldwide.

All shipments are fully insured.

Bigger shipments requiring pallets or custom made crates ship to US, CA, JP, CN, AU and other outside of EU locations via DHL Air Freight, ETA is normally approx. 7-14 working days from pickup day zero.

Big shipments inside EU ship via different freight companies, recently mostly via ACE Logistics. Freight forwarders can use different courier companies for deliveries to final destinations.

Palletising and crating time can vary depending on the size of the shipment and packaging queue. We pack all our shipments with great care.

You are most welcome to pick your order up yourself from our Retrosonic Pro Audio showroom, studio and warehouse in Tallinn, Estonia.

We ship worldwide – contact us for a personal shipping quote or any other questions.

VAT (Value Added Tax) can be deducted if you have a company with a valid EU VAT number or if you're based outside of the EU. Non-EU buyers pay all and any import tax and duty as regulated by their local customs.