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The VAF Research Signature I33 is a high-performance Australian-made loudspeaker engineered for precision, neutrality, and natural musical balance. It uses a symmetrical driver array with true time-alignment and a first-order crossover, delivering exceptional coherence and imaging. The I33 offers deep, articulate bass and an open, transparent midrange with refined treble extension. Designed for serious stereo listening, it suits both solid-state and valve amplification and reflects VAF’s reputation for accurate, musical loudspeakers built to last.
These were traded to us by a customer of ours whom cared for these and kept them in prime condition.
They will be supplied with a 6 month warranty upon sale.
No boxes are supplied so there is no shipping and pick up is essential.
Feature
Specification
Type
3-way floorstanding loudspeaker
Enclosure
Bass-reflex, front-ported
Driver Array
Time-aligned symmetrical array
Crossover
First-order (6 dB/octave acoustic slope)
Sensitivity
90 dB (2.83 V/1 m)
Nominal Impedance
4 Ω
Recommended Amplifier Power
10 W – 150 W RMS
Frequency Response
33 Hz – 20 kHz (±2.5 dB typical)
Phase Response
±25° (100 Hz – 10 kHz)
Dimensions (H × W × D)
1,095 × 245 × 287 mm
Weight
28 kg each
Finish Options
Light Oak, Black Oak, Jarrah, and custom finishes available
Origin
Designed and manufactured in Australia
Please note: Collection from our Murarrie showroom or freight at buyer's expense. We do NOT offer free shipping on traded equipment.
Contact The Audio Tailor today to arrange an audition.
Generating expert take…
VAF Research was founded in 1978 in Adelaide, Australia, by serial entrepreneur Philip Vafiadis, establishing it as a enduring Australian stalwart in the hi-fi industry. From modest beginnings, the company has remained a private, family-driven operation, steadfastly committed to in-house design and manufacturing. Over four decades, VAF has cultivated a heritage rooted in relentless innovation and a passion for music reproduction, evolving from early breakthroughs in speaker crossovers to sophisticated modern systems.
The brand specializes exclusively in loudspeakers and subwoofers, eschewing amplifiers, turntables, DACs, headphones, or cables. Its products emphasize natural, uncolored sound through proprietary engineering, such as advanced driver integration and enclosure designs honed over years of research. Standouts like the EVO1 series exemplify this focus, delivering compact yet authoritative performance that prioritizes realism over fleeting trends.
VAF occupies a niche high-end position, revered among discerning Australian audiophiles for its no-compromise approach and value-driven excellence. Far from mainstream hype, it appeals to knowledgeable buyers seeking authentic musicality without gimmicks, backed by a reputation for world-class performance at competitive prices. This boutique status ensures enduring appeal in a market favoring substance over spectacle.
See all VAF Research listings on RADAR.
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