Cambridge Audio SX-70 Centre Speaker (Matte Black) is Probably the Best Center-Channel Speaker for Mid-Sized Home Theaters

Cambridge Audio SX-70 Centre Speaker (Matte Black) for Mid-Sized Rooms

Cambridge Audio SX Series SX-70 Centre Speaker (Matte Black) delivers balanced midrange for Center-Channel Speakers in medium rooms. The Cambridge Audio SX-70 pairs two 100mm woofers with a 25mm silk dome tweeter for clear speech reproduction. This Cambridge Audio centre-channel speaker suits rooms roughly 12-20 feet wide and pairs well with a subwoofer for full-range home cinema sound.

Key technical specifications and compatibility

• Amplification: passive (requires external amplifier/AV receiver)
• Drivers: 2 x 100mm woofers, 1 x 25mm silk dome tweeter
• Sensitivity: 85 dB
• Frequency response: 65 Hz – 20 kHz
• Impedance: 8 Ohm
• Recommended amplifier power: 10 – 100 Watts
• Cabinet material: MDF
• Dimensions: 5.4 x 14.2 x 9.7 inches
• Weight: 8.8 lbs
• Price: 189 USD

How does a centre speaker s voicing affect on-screen dialogue?

SX-70 centre speaker improves dialogue intelligibility by stabilizing vocal timbre and reducing sibilance. SX-70 uses a silk dome tweeter to soften harsh consonants while preserving detail. This matte black centre-channel speaker’s two 100mm mid-woofers deliver controlled midbass around 65-200Hz, which prevents boom that masks voices.

Optimizing dialogue clarity for mid-sized home theaters

Center-Channel Speakers achieve clearer dialogue with the Cambridge Audio SX Series SX-70 Centre Speaker (Matte Black) when equalized. The Cambridge Audio SX-70 benefits from an 80-120Hz crossover to a subwoofer and a gentle 1-2 dB midrange lift. This Cambridge Audio centre-channel speaker pairs with 10-100W receivers and prefers an 8 Ohm stable amplifier. The SX-70 centre speaker’s 85 dB sensitivity needs moderate amplifier power for loud, clean playback in typical rooms.

What room acoustic treatments improve center-channel clarity?

SX-70 achieves clearer dialogue with first-reflection absorption, lowering early reflections. The matte black centre-channel speaker benefits from 10-25 broadband absorption at ear height to tame flutter echoes. For this Cambridge Audio centre-channel speaker, use 2-4 fabric panels, a rug, and bookshelf diffusion behind the listener to reduce slap and increase focus. The reviewed Cambridge Audio SX-70 centre speaker shows gains when you measure RT60 using a smartphone app, so verify treatment effects.

Cambridge Audio SX-70 Centre Speaker (Matte Black) Placement Guide

For Center-Channel Speakers, place Cambridge Audio SX Series SX-70 Centre Speaker (Matte Black) centered under the screen. The Cambridge Audio SX-70 benefits from toe-in by 5-10 degrees to focus dialogue at the listening position. Mount the Cambridge Audio centre-channel speaker at ear height or angle it upward if shelf placement sits low. Use 16 AWG speaker wire and pair an 8 Ohm, 10-100 W amplifier with the SX-70 centre speaker.

Which placement minimizes voice localization for a center channel?

SX-70 reduces voice localization when centered and time-aligned with main left-right speakers. A matte black centre-channel speaker positioned within 6-12 inches of the screen minimizes image split. For this Cambridge Audio centre-channel speaker, set digital delay so vocal arrival matches left and right speakers. The reviewed Cambridge Audio SX-70 centre speaker images coherently after aligning speaker distances in the AVR.