Li Yang, a customer was blown away by the Rinjanis and custom ordered his end game version in Lamborghini Orange with upgraded Beryllium Tweeters.

"As a IEM maker and headfi expert I haven't found a pair of speakers that satisfies me until the Rinjani.  They are perfect and I am happy to have achieved end game just like Artisan Acoustics suggested!

The beryllium tweeter is amazing, when I put my ear close to them, its completely transparent sounding"

Designed by Jeff Bagby | SB Acoustics MW13P-4 + SB29BNC-C000-4

Jeff Bagby spent decades designing loudspeakers and writing the software that half the DIY community uses to design theirs. The Revolution Mini was commissioned by SB Acoustics in late 2018 and became, by Jeff's own assessment, one of the finest imaging speakers he'd ever heard. Andrew Jones — the man behind KEF, TAD, and Elac — listened to the Revolutions and gave them glowing praise.

Then Jeff was taken from us by COVID-19 in March 2020. The Revolution Mini remains one of his last and best gifts to the community.

The Design

A classic ¼ cubic foot mini-monitor in the BBC LS3/5A tradition, except it goes places that speaker never could. The Satori MW13P-4 midwoofer uses SB Acoustics' Egyptian Papyrus cone — a proprietary natural-fibre blend manufactured in-house — paired with a neodymium motor, CCAW voice coil, and extended copper sleeve for vanishingly low distortion. Independent testing measured THD below 0.3% above 150 Hz even at 102 dB output.

Up top, the SB29BNC-C000-4 beryllium dome tweeter. Beryllium is seven times more rigid than titanium, pushing the breakup mode out past 38 kHz — well beyond audibility. The result is transient speed and high-frequency air without the fatigue of lesser metal domes. Acoustic 4th order crossover at 1800 Hz with near-perfect phase alignment.

The SB15SFCR-00 racetrack passive radiator on the rear panel eliminates port noise and placement fussiness. No additional mass required. Dacron polyfill behind the drivers, none near the radiator. The system is flat to 50 Hz with useful output into the low 40s — extraordinary for 7 litres.

As Jeff put it: if you're ready for something special, here's your chance.

Specifications

Type 2-way passive, sealed with passive radiator

Midwoofer SB Acoustics Satori MW13P-4, 5" Egyptian Papyrus cone

Tweeter SB Acoustics SB29BNC-C000-4, 29mm beryllium dome

Passive Radiator SB Acoustics SB15SFCR-00, 5×8" racetrack

Impedance 4 Ω nominal (never drops below 4 Ω)

Sensitivity 85 dB (2.83V / 1m)

Frequency Range ~40 Hz – 30 kHz

Crossover Acoustic 4th order, 1800 Hz

Power Handling 40W RMS (woofer-limited)

Dimensions (W×H×D) 203 × 330 × 190 mm (8" × 13" × 7.5")

Recommended Amplification 30 – 100W (warmer voicing preferred)

Design: Jeff Bagby (2018). Open source — donations to Jeff's family via Meniscus Audio.

4-Way Active | 14 Drivers Per Channel

Ryan wanted the best possible sound for his HDB BTO living room. Not "good for the space." The best. The result is a reference 4-way active floorstander with line-array bass that redefines what SB Acoustics drivers can do when you stop compromising.

His verdict: the phrases "being there" and "live" used to describe past speakers are caricatures compared to what these present.

The Design

Four-way active crossover — no passive components in the signal path. Each driver band gets its own amplifier channel, its own filter, its own level control. The beryllium tweeter handles air and transient detail. The MR13P-8 midrange covers the critical vocal and presence region in its own sealed chamber. Four MW19P-8 Satori midwoofers in a line array load the lower midrange and upper bass with massive radiating area and zero compression. Six SB23NACS45-8 aluminium-cone woofers in a bass line array deliver subsonic-to-midbass output that pressurises the room without breaking a sweat.

14 drivers per side. Transients start and stop on a dime.

Specifications

Type 4-way active, line array bass

Tweeter 2× Satori TW19BN Beryllium dome
Midrange 2× Satori MR13P-8, 5" Egyptian Papyrus
Lower Mid 4× Satori MW19P-8, 7.5" Egyptian Papyrus
Bass 6× SB23NACS45-8, 9" aluminium cone

Crossover Active (DSP)
Amplification Multi-channel, per-band

SB29RDNC + Satori MR16P-4 + SB Audience 12" Woofer

Sanjay's experiment that worked. The Satori MR16P-4 midrange measures and performs well enough to run as a fullrange — no tweeter needed. Two SB29RDNC tweeters sit on the baffle as insurance. They remain unconnected. The MR16P-4 didn't need the help.

The Concept - FAST: Fullrange And SubTwoofer. 

The MR16P-4 handles everything from ~150 Hz upward on its own — Egyptian Papyrus cone, neodymium motor, 92 dB sensitivity, mode-balanced cone for smooth extension well beyond typical midrange duty. Bass is handed off to a pair of SB Audience 12" pro-audio woofers, purpose-built for the low frequencies the 6.5" can't move enough air to deliver.

The result: 95 dB system sensitivity. A 2A3 or 300B single-ended triode with 3–8 watts fills the room. No crossover phase shifts through the critical midrange and presence region — just one driver doing what it does best, unfiltered.

Avalon-inspired cabinet geometry reduces parallel surfaces and standing waves. It looks the part too.

Feb 2026 Upgrade

Drivers upgraded to full Satori TeXtreme and Audience NERO lineup — TW29TXN tweeter (now connected), MW16TX-4 midwoofer, SB Audience NERO 12" bass woofers. Carbon fibre throughout.

Specifications

Type FAST (Fullrange + Assisted Sub)

Configuration Avalon-style floorstander

System Sensitivity 95 dB

Recommended Amplification 2–30W (SET ideal: 2A3, 300B)

Original (2024)

Fullrange/Mid 2× Satori MR16P-4, 6.5" Egyptian Papyrus

Tweeters 2× SB29RDNC (installed, not connected)

Bass 2× SB Audience 12" woofer

Upgraded (Feb 2026)

Tweeter 2× Satori TW29TXN TeXtreme

Mid 2× Satori MW16TX-4 TeXtreme

Bass 2× SB Audience NERO 12"