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Class A · Handcrafted in Wellington

Sound, made intentional.

Thirty watts a channel, biased Class A from the first milliwatt to the last. No crossover, no correction, nothing between the signal and the speaker that does not have to be there.

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Front elevation of the Kasturi amplifier: finned heatsinks either side of a stainless face, two controls, a walnut top panel. KASTURI
Front elevation · 1:6 Stainless steel, oak, walnut Two channels, one chassis

Sound

A quieter kind of power.

Class A throughout

Both output devices conduct across the whole waveform. There is no handover point, so there is no crossover distortion to correct for further down the chain.

Dual mono

Two independent supplies, two independent channels, one chassis. The left channel does not know the right channel exists.

Heat as structure

Class A runs hot by definition. The finned flanks are not a cover over a heatsink. They are the heatsink, and they are the chassis.

Craft

Built one at a time.

The chassis is folded and welded from stainless steel, then hand-finished. The top panel is a single piece of walnut, cut and inlaid over perforated steel so the transformers can breathe.

Inputs are brass RCA, mounted through the rear edge of the wood rather than a stamped back plate. Each corner sits on a stamped cross bracket that lifts the chassis clear of the shelf.

Top panel motif

Four motifs are on the table and none is chosen. Pick one to see it cut into the panel. This control exists because the decision is still open, and it comes out of the site once it closes.

Plan view of the walnut top panel with the selected grille motif cut into it. KASTURI

Plan · walnut over perforated steel · Speaker v.1

Specs

Topology
Class A / Dual-mono
Power
2 × 30W @ 8Ω
Chassis
Stainless steel + oak
Origin
Wellington, NZ

Journal

Photography pending Build notes

Why the heatsinks are the chassis

 Photography pending Design review

Choosing the top panel motif

 Photography pending Listening

Bias, heat, and the first hour

The journal is not written yet, and the product photography has not been shot. These three entries are placeholders with real titles so the layout can be judged against real length.

Enquire

Come and hear it.

Each amplifier is built to order. Tell us what you listen on and we will tell you whether Kasturi suits it.

There is no back end yet. Sending opens your mail client with the message already written.