Spendor A4.2 Loudspeaker at Vinyl Sound Buffalo, NY USA

The Spendor A4.2 is a 2-way rear-ported floorstanding loudspeaker from Spendor Audio Systems (Rotherham, England, UK), available at Vinyl Sound in Buffalo, NY, USA. Part of the A-Line Mark 2 series debuted at the Bristol Hi-Fi Show in February 2025 and manufactured in the UK, the A4.2 combines a new 27mm soft-dome wide-surround tweeter, a 180mm EP77 polymer cone mid/bass driver, and a redesigned crossover at 2kHz, spanning 36Hz to 27kHz at a sensitivity of 85dB. Compatible with amplifiers from 25 to 150 watts into a 6.75-ohm nominal load, the A4.2 delivers the natural midrange character and dynamic engagement that made the original A4 one of Spendor's most celebrated loudspeakers — now with greater openness, improved driver integration, and a more refined high-frequency presentation.

A-Line Mark 2: A Refined Successor to a Multi-Award Winning Design

The original Spendor A4 won the What Hi-Fi? Best Floorstander Award in its price category for four consecutive years from 2019 through 2022, establishing itself as a benchmark for natural, musically engaging sound at its price point. The A4.2, unveiled in February 2025, carries that legacy forward with a comprehensive driver and crossover update rather than a cabinet redesign. The most significant change is the adoption of a new 27mm soft-dome tweeter — replacing the 22mm unit of the original A4 — alongside a substantially lower crossover point of 2kHz compared to the original's 3.7kHz. The lower handoff gives the wider-aperture tweeter control over a broader frequency band, improving phase coherence and tonal smoothness in the vocal and upper-midrange range that is most critical to natural musical reproduction. The crossover network itself uses precision-wound high-linearity tapped inductors to avoid the distortion introduced by attenuating resistors, allowing precise frequency and phase tuning for coherent driver integration. Asymmetric non-parallel internal bracing combined with Spendor's Dynamic Damping technology keeps the cabinet inert under drive, converting spurious resonance energy into heat at key interface points rather than storing and re-radiating it as delayed sound.

27mm Tweeter, EP77 Midrange, and Placement-Friendly Reflex Loading

The A4.2's new 27mm soft-dome wide-surround tweeter features an extended rear chamber that allows it to operate with lower distortion across a wider frequency range than a conventional dome of similar diameter. Its unique diaphragm profile delivers a smooth, extended high-frequency response over a wide listening window — an important characteristic in living rooms where listeners are rarely positioned exactly on the tweeter axis. The 180mm EP77 polymer cone mid/bass driver is the same proprietary cone material developed for the D-Line series, providing the low-coloration, dynamically immediate midrange that defines the A-Line sound. Cast magnesium alloy chassis construction and Spendor's optimization of electrical, mechanical, and damping parameters ensure consistent bass performance and low-level linearity regardless of room size or partnering amplifier. Reflex bass loading extends the A4.2's in-room response to 36Hz, with the port designed to remain tuneful and articulate even when the speaker is positioned closer to rear walls or in smaller rooms. A single pair of recessed precision binding posts on the rear provides clean amplifier connectivity, and a satin-black plinth with height-adjustable spike feet completes the installation.

Key Features

• New 27mm Soft-Dome Wide-Surround Tweeter: A larger 27mm dome with a rear chamber replaces the original A4's 22mm unit, enabling a lower 2kHz crossover point and a wider, more consistent off-axis listening window.
• Lower 2kHz Crossover Frequency: The crossover handoff at 2kHz — compared to 3.7kHz on the original A4 — places a broader frequency band under the tweeter's control, improving coherence and phase accuracy through the critical vocal midrange region.
• 180mm EP77 Polymer Cone Mid/Bass Driver: Spendor's proprietary EP77 polymer cone with cast magnesium alloy chassis delivers low-coloration, dynamically immediate midrange performance consistent with the D-Line drivers from which it derives.
• Spendor Dynamic Damping: Low-mass constrained polymer dampers at key energy interface points convert spurious cabinet resonances into inaudible heat instantly, preventing the slow energy storage and release that blurs transients in conventional mass-damped enclosures.
• Asymmetric Rigid Cabinet Bracing: Non-parallel internal bracing geometry reduces standing waves within the enclosure, working in concert with Dynamic Damping for clean, time-accurate sound reproduction.
• High-Linearity Custom Crossover Inductors: Precision-wound in-house tapped inductors avoid distortion introduced by attenuating resistors, allowing fine frequency and phase tuning for seamless driver integration.
• Placement-Friendly Reflex Loading: The reflex port is specifically voiced for articulate, tuneful bass even when the A4.2 is positioned close to rear walls or in smaller listening rooms — an important practical advantage for real-world placement.
• Slim Linear-Form Cabinet: A 6.5"-wide asymmetric braced enclosure in four veneer finishes fits unobtrusively into a wide range of room aesthetics without dominating the space.
• Broadcast Reference Calibration: Each A4.2 is calibrated and matched to broadcast reference standard at Spendor's UK facility, ensuring driver and crossover consistency across pairs.

Technical Specifications

Awards and Critical Recognition

• Diapason d'Or — Diapason Magazine, France (2025). Awarded to the A4.2 following the publication's full review.
• Red Fingerprint Award — HighFidelity.pl, Poland (2025). Awarded by Chief Editor Wojciech Pacuła following his review of the A4.2.

Frequently Asked Questions

What is the Spendor A4.2?

The Spendor A4.2 is a 2-way rear-ported floorstanding loudspeaker from Spendor's A-Line Mark 2 series, featuring a 27mm soft-dome wide-surround tweeter, a 180mm EP77 polymer cone mid/bass driver, and a 2kHz crossover spanning 36Hz to 27kHz. Manufactured in the UK and debuted at the Bristol Hi-Fi Show in February 2025, it succeeds the original A4 — a four-time consecutive What Hi-Fi? Award winner from 2019 to 2022 — with updated drivers, a redesigned crossover, and improved cabinet damping. In 2025, the A4.2 received the Diapason d'Or from Diapason Magazine and the Red Fingerprint Award from HighFidelity.pl.

How does the Spendor A4.2 differ from the original Spendor A4?

The Spendor A4.2 introduces several substantive changes over the original A4. The tweeter is upgraded from 22mm to a new 27mm soft-dome rear-chambered unit, and the crossover frequency drops from 3.7kHz to 2kHz — a significant shift that hands a wider frequency band to the tweeter and improves phase coherence through the vocal midrange. The nominal impedance changes from 8 ohms to 6.75 ohms, the sensitivity moves from 86dB to 85dB, the amplifier rating changes from 30–200W to 25–150W, and the frequency response is respecified as 36Hz–27kHz versus the original's 34Hz–25kHz. The cabinet gains improved asymmetric bracing, and the available finishes update to Black Oak, Walnut, Oak, and Satin White, dropping Black Ash and Cherry.

How does the Spendor A4.2 compare to the Spendor A7.2?

The Spendor A4.2 and A7.2 are both 2-way rear-ported floorstanders from the A-Line Mark 2 series and share the same 27mm soft-dome tweeter, 2kHz crossover architecture, Dynamic Damping cabinet technology, and EP77 polymer cone mid/bass driver. The primary differences are in cabinet volume, bass extension, and physical scale. The A7.2 is taller (37" vs 33.9"), heavier (39 lbs vs 32 lbs), and specifies a deeper in-room low-frequency response (32Hz vs 36Hz), providing greater bass authority in larger rooms. The A4.2 is better suited to small and medium-sized rooms where the A7.2's additional bass extension would overload the acoustic space. Both are rated at 85dB sensitivity, but the A7.2 has a slightly more demanding impedance (6.75 ohms min 5.4) and benefits from a more capable amplifier at higher volumes.

How does the Spendor A4.2 compare to the KEF Q750?

The Spendor A4.2 and KEF Q750 are two well-regarded floorstanders that take fundamentally different approaches to driver design. The Q750 uses KEF's Uni-Q coaxial driver — a 1" aluminium dome tweeter mounted inside a 6.5" aluminium mid/bass cone — in a 2.5-way ported configuration with an additional 6.5" bass driver. The A4.2 uses a conventional 2-way layout with a 27mm soft-dome tweeter and 180mm EP77 polymer cone, crossing at 2kHz. KEF's Uni-Q geometry produces a point-source dispersion pattern for precise imaging; the A4.2's wider surround dome achieves broad dispersion through physical diaphragm geometry. The EP77 polymer midrange has a warmer, more natural tonal character than the Q750's aluminium cone, while the Q750 offers a brighter, more forward presentation that works well in acoustically damped rooms. The A4.2's Dynamic Damping cabinet is a more sophisticated vibration control approach than the Q750's conventional bracing.

What amplifier pairs best with the Spendor A4.2?

The Spendor A4.2 is rated for 25 to 150 watts into a 6.75-ohm nominal load with 85dB sensitivity. A quality integrated amplifier of 40 to 80 watts — such as a Naim Nait XS 3, Hegel H95, or Rega Elicit MK5 — provides more than adequate drive in most domestic listening rooms. Spendor's design philosophy for the A-Line is broad amplifier compatibility, and the EP77 polymer cone is forgiving of source and amplifier character compared to high-resolution D-Line drivers. Tube amplifiers with 20W or more of output power from a stable push-pull output stage can work well, given the A4.2's smooth impedance curve.

Is the Spendor A4.2 suitable for small rooms or placement close to walls?

The Spendor A4.2 is specifically voiced for use in small and medium-sized rooms and for placement close to walls. Spendor's own datasheet highlights the A4.2's ability to remain tuneful and articulate even when positioned near rear walls or furniture — a characteristic that results from careful reflex port design and the absence of the room-excited bass boom that affects less carefully tuned ported speakers. Its 6.5"-wide cabinet has a minimal acoustic footprint, and the 33.9" cabinet height is lower than the A7.2, making the A4.2 an easier fit in rooms with lower ceilings or furniture-constrained placement. The 36Hz lower limit provides genuine full-range bass in a typical small to medium room without a subwoofer.

Where can I buy the Spendor A4.2 in Buffalo, NY or the United States?

The Spendor A4.2 is available at Vinyl Sound in Buffalo, NY, USA, an authorized Spendor dealer serving customers across the United States. Vinyl Sound carries the full Spendor A-Line Mark 2 range alongside amplifiers, streamers, and source components for complete system builds. Contact the Vinyl Sound team for current availability, finish options, and in-store audition appointments.