PSB Alpha T20 Tower Speakers

PSB Alpha T20 Tower Speakers at Vinyl Sound Buffalo NY

The PSB Alpha T20 is the flagship tower loudspeaker of PSB's Alpha Series, delivering full-range performance and extended bass in a slim 6¾"-wide cabinet suited to small and medium listening rooms, home theatre systems, and budget-conscious hi-fi setups. Available at Vinyl Sound in Buffalo, New York, the Alpha T20 is a two-way bass reflex design incorporating a ¾" black anodized aluminum dome tweeter with ferrofluid cooling and neodymium magnet, and dual 5¼" textured polypropylene cone woofers with rubber surrounds and dual-layer voice coils, crossed over at 2,500Hz via a Linkwitz-Riley 4th-order network. The T20 delivers a frequency response of 36Hz to 21,000Hz (±3dB) with an LF cutoff of 28Hz (−10dB), 88dB anechoic sensitivity (90dB in-room), and a nominal impedance of 8 ohms with a minimum of 6 ohms — making it one of the easiest-to-drive tower speakers in PSB's lineup. Available in Black Ash and Walnut finishes, the Alpha T20 is part of Vinyl Sound Buffalo's full loudspeaker collection, which includes bookshelf, floorstanding, and powered speakers from leading audiophile brands.

Driver Configuration and Crossover Design

The PSB Alpha T20 uses a two-way driver configuration with dual 5¼" woofers, each featuring a textured polypropylene cone specifically chosen for low distortion and mechanical breakup resistance, and dual-layer voice coils for improved efficiency and power handling. Both woofers share the same bass reflex enclosure, vented via a 2½" rear-firing port tuned for the T20's 0.95 cubic foot internal volume, extending bass to 28Hz at −10dB. The ¾" black anodized aluminum dome tweeter — the same dome material found in the PSB Passif 50 Anniversary Edition — extends high-frequency response to 21kHz at ±3dB, with ferrofluid cooling and neodymium magnet for consistent performance at higher power levels. The Linkwitz-Riley 4th-order crossover at 2,500Hz ensures precise driver integration with minimal phase anomalies at the crossover point.

Cabinet Design and Build

The Alpha T20 cabinet is constructed from MDF with precisely tuned wall thickness and strategic internal bracing to control resonances and minimize standing waves within the enclosure. The rear-firing 2½" port is sized and tuned for the T20's driver and internal volume to optimize bass extension and output. Acoustically transparent magnetic grilles are included and attach without tools. The T20 is available in Black Ash and Walnut woodgrain vinyl finishes, designed to complement warm room aesthetics and furniture. At 6¾" wide and 32½" tall, the T20's slim profile suits placement in rooms where wider cabinet designs would be impractical.

Specifications

Frequently Asked Questions

What is the difference between the PSB Alpha T20 and the Imagine T54?

The PSB Alpha T20 and Imagine T54 are both slim tower loudspeakers but from different PSB series at different price points. The Alpha T20 is PSB's entry-level tower, using textured polypropylene cone woofers, a two-way crossover at 2,500Hz, and Black Ash or Walnut woodgrain vinyl finishes. The Imagine T54 is a three-way design using woven carbon fibre cone drivers, a dual bass reflex configuration with two rear slot ports, and aluminum outrigger spikes, offering deeper bass extension and a more sophisticated driver architecture. The T20 is the preferred choice for budget-conscious listeners and smaller rooms, while the T54 suits mid-range hi-fi and home theatre systems.

What amplifier does the PSB Alpha T20 require?

PSB recommends 15 to 120 watts per channel for the Alpha T20. The nominal impedance is 8 ohms with a minimum of 6 ohms — one of the easiest impedance loads in PSB's speaker range — making the T20 compatible with virtually any integrated amplifier or AV receiver, including lower-powered models from 20 watts upward. The 88dB anechoic sensitivity (90dB in-room) further reduces amplifier demands for comfortable listening levels in small to medium rooms.

How deep is the bass on the PSB Alpha T20?

The Alpha T20 measures 36Hz to 21,000Hz at ±3dB, with a measured LF cutoff of 28Hz at −10dB — exceptional bass extension for a tower speaker in the Alpha Series price range. This is achieved through dual 5¼" woofers with dual-layer voice coils and a 2½" rear-firing port tuned for the T20's internal volume. The T20 can deliver subwoofer-range bass in most small to medium listening rooms without a dedicated subwoofer for music listening.

Can the PSB Alpha T20 be used for home theatre?

Yes. The Alpha T20's 8-ohm impedance, 90dB in-room sensitivity, and full-range bass extension make it well suited as the main left-right speakers in a home theatre system. Its compatibility with low-powered AV receivers and its slim 6¾" profile make it a practical choice for home theatre installations in smaller rooms. PSB's Alpha Series includes matching centre channel and bookshelf speakers for a complete multi-channel configuration.

What finishes are available for the PSB Alpha T20?

The PSB Alpha T20 is available in Black Ash and Walnut woodgrain vinyl finishes. Both finishes are available through Vinyl Sound Buffalo. Contact Vinyl Sound to confirm current inventory for each finish option.

Can I audition the PSB Alpha T20 in Buffalo NY?

Yes. The PSB Alpha T20 is available for in-store demonstration at Vinyl Sound in Buffalo, New York. Vinyl Sound is an authorized PSB Speakers dealer serving Buffalo, NY and the Western New York region. Contact Vinyl Sound to arrange a listening session and amplifier matching consultation.

Where to buy PSB Alpha T20 tower speakers in Buffalo NY?

The PSB Alpha T20 is available from Vinyl Sound, an authorized PSB Speakers dealer in Buffalo, New York. Vinyl Sound offers in-store demonstration, expert system matching, and shipping across the continental United States. Contact Vinyl Sound Buffalo by phone or email to purchase or arrange a listening appointment.