TPI

TPI supplies the low-frequency cabinets described at Hidden Grooves. Four UC15G units are positioned beneath the venue’s large Tannoy speakers.

Speakers

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Equipment index

Products in the rooms

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Venue equipment records, including their original model uncertainties. Shared-system entries retain the full recorded context.

4 × UC15G — two beneath each Westminster
Custom systems & other equipment
TPI UC15G bass cabinets (four) — two under each Westminster at Hidden Grooves. Custom bass units in the TPI/FFA active chain.
Hidden Grooves

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Equipment, commissions and collaborations.

London / United Kingdom

Hidden Grooves ↗

Equipment in use

Hidden Grooves lists TPI in its subwoofers setup. The equipment details below reflect the venue record.

Bass support: 4 × UC15G — two beneath each Westminster

Inside the system

Hidden Grooves combines large Tannoy Westminster-class speakers with four TPI UC15G bass helpers, Luxman amplification and documented DSP crossover/time alignment. Tannoy miniatures provide fills or booth monitoring, while separate Technics, Leak and Grado stations support private listening.

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