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Dynaudio Sub 6 Active DSP Subwoofer at Vinyl Sound Buffalo, NY USA

The Sub 6 is a 500W active DSP subwoofer from Dynaudio (Skanderborg, Denmark), available at Vinyl Sound in Buffalo, NY, USA. The top model in Dynaudio's subwoofer range, it uses two 24cm MSP+ Hybrid Drive woofers in a twin opposing sealed enclosure, driven by a built-in 500W amplifier with advanced DSP processing. Frequency response extends from 16 Hz to 230 Hz at +/-3 dB. The Sub 6 features built-in speaker crossover presets for Dynaudio Contour, Confidence, Evidence, Special Forty, Special Twenty-Five, and Focus XD models, enabling seamless two-way to three-way system integration. Manual crossover frequency, gain, and phase adjustment supports non-Dynaudio speakers. Additional DSP tools include automatic time delay alignment, three-band fully parametric EQ, and 0/180 degree phase adjustment. Dual balanced XLR and unbalanced RCA inputs and outputs are provided.

MSP+ Hybrid Drive Units and Twin Opposing Sealed Architecture

The Sub 6's two 24cm MSP+ Hybrid Drive woofers are purpose-designed for subwoofer use rather than adapted from conventional loudspeaker drivers. Unlike Dynaudio's standard MSP drivers, the MSP+ Hybrid Drive units use aluminium as the primary diaphragm material for maximum stiffness at low frequencies, where conventional cone materials can exhibit flex and resonance. To address the ringing that aluminium diaphragms generate, a dual-action damping system is applied: paper dampening on the rear of the cone controls rearward resonance, while a damping cap made from Dynaudio's own Magnesium Silicate Polymer material on the front face of the cone controls forward resonance. This combination of aluminium stiffness and dual-material damping allows the Sub 6 to reproduce bass frequencies with low distortion and high control across the full 16 Hz to 230 Hz operating range. Both drivers are mounted at opposite ends of the sealed enclosure in a twin opposing configuration, with the drivers facing outward from the cabinet in opposing directions. This arrangement causes the lateral reaction forces generated by each driver's cone movement to cancel each other out, significantly reducing vibration transmission from the sub to the floor, equipment rack, or nearby surfaces. The sealed enclosure design provides tighter transient response and more controlled bass decay than a ported alternative, and the cabinet is wider than it is deep, designed to sit compactly against a wall without extending into the listening room.

Intelligent DSP: Speaker Presets, Parametric EQ, and Time Alignment

The Sub 6's DSP platform represents Dynaudio's most advanced integration approach in a home subwoofer. For Dynaudio speakers from the Contour range upwards, the Sub 6 stores custom performance maps developed by Dynaudio's acoustic engineers, each containing the precise roll-off characteristics needed to create a seamless crossover between the specific speaker and the subwoofer. Selecting the speaker model from the Sub 6's display menu causes the DSP to apply the appropriate custom crossover, effectively transforming a two-way loudspeaker system into a coherent three-way system with the Sub 6 handling the bass band. For all other speakers, including non-Dynaudio models, manual adjustments cover crossover frequency from 40 to 120 Hz at 24 dB per octave, gain, and phase. Three bands of fully parametric EQ allow targeted correction of room mode effects: Band 1 operates from 20 to 200 Hz, Band 2 from 40 to 200 Hz, and Band 3 from 80 to 200 Hz, each with adjustable frequency, gain, and Q parameters. The time delay alignment function compensates for distance differences between the subwoofer and main speakers by accepting measured distances from the listening position and automatically applying both time and phase delays, with a maximum compensation range of 4.8 metres. Firmware updates from Dynaudio add new speaker performance maps as new models are released, ensuring the Sub 6 remains compatible with future Dynaudio products.

Key Features

• Dual 24cm MSP+ Hybrid Drive Woofers: Purpose-designed subwoofer drivers using aluminium diaphragms for stiffness, with dual-action damping via paper on the cone rear and MSP polymer on the front face, minimising ringing and distortion through the full bass operating range.
• Twin Opposing Driver Configuration: Both woofers face outward from opposite ends of the sealed cabinet, cancelling lateral vibration forces and reducing energy transmission to the floor or supporting surface.
• 500W Built-In Amplifier: A dedicated 500W power amplifier module integrated into the base of the cabinet, matched to the dual MSP+ Hybrid Drive woofers and DSP crossover platform.
• Dynaudio Speaker Presets: Custom acoustic performance maps for Contour, Confidence, Evidence, Special Forty, Special Twenty-Five, and Focus XD models, creating seamless three-way system integration when paired with compatible Dynaudio speakers.
• Three-Band Fully Parametric EQ: Three independently configurable EQ bands with adjustable frequency, gain, and Q parameters, allowing targeted correction of specific room mode peaks and dips.
• Automatic Time Delay Alignment: DSP-based delay compensation that adjusts automatically when the subwoofer-to-speaker distance difference is entered, ensuring phase-aligned bass integration across the listening position.
• Dual Balanced XLR and Unbalanced RCA Connections: Both input and output connections in balanced XLR and unbalanced RCA formats, supporting integration with preamplifiers, AV processors, and integrated amplifiers at any signal level standard.
• Updatable Firmware: Firmware update capability ensures new Dynaudio speaker performance maps can be added as new models are released, extending the Sub 6's custom integration capability over time.
• 16 Hz Bass Extension: Frequency response reaching 16 Hz at +/-3 dB from a sealed enclosure, extending well below the 20 Hz lower threshold of human hearing for full cinema and music bass reproduction.

Technical Specifications

Dynaudio Speaker Presets Built In

• Contour S 1.4 LE, Contour S 3.4 LE
• Contour 20, Contour 30, Contour 60
• Confidence C1, Confidence C2, Confidence C4
• Evidence Temptation, Evidence Platinum, Evidence Master
• Special Twenty-Five, Special Forty
• Focus 20 XD, Focus 30 XD, Focus 60 XD

Frequently Asked Questions

What is the Dynaudio Sub 6?

The Dynaudio Sub 6 is a 500W active DSP subwoofer built in Denmark, using two 24cm MSP+ Hybrid Drive woofers in a twin opposing sealed enclosure with frequency response from 16 Hz to 230 Hz. Its DSP platform includes built-in performance map presets for Dynaudio Contour, Confidence, Evidence, Special Forty, and Focus XD speakers, three-band fully parametric EQ, automatic time delay alignment, and both balanced XLR and unbalanced RCA connections. Firmware updates add new speaker presets as new Dynaudio models are released.

How does the Dynaudio Sub 6 compare to the REL T/9x or SVS SB-3000?

The Dynaudio Sub 6, REL T/9x, and SVS SB-3000 are all premium sealed active subwoofers, but differ significantly in feature set and integration approach. The REL T/9x uses a 10-inch long-throw driver with REL's high-level speaker-level input approach and a single 300W Class AB amplifier, focusing on musical integration through passive crossover matching. The SVS SB-3000 uses a 13-inch driver with a 800W RMS amplifier and app-based DSP control including parametric EQ. The Sub 6 differentiates itself with dual 24cm opposing woofers in a compact low-vibration enclosure, 500W amplification, dual XLR and RCA connections, automatic time delay alignment, and uniquely, custom built-in acoustic performance maps for specific Dynaudio speaker models that automatically configure the crossover to create a seamless three-way system transition rather than a manually approximated integration.

What does the Dynaudio Sub 6's speaker preset system do?

The Sub 6's speaker preset system contains custom acoustic performance maps created by Dynaudio's engineers for each supported Dynaudio speaker model. Each map encodes the specific roll-off characteristics of that speaker, allowing the Sub 6's DSP to apply a precisely matched crossover that aligns the sub's low-frequency output with the speaker's natural roll-off curve. When a compatible speaker model is selected from the Sub 6's menu, the DSP applies the appropriate custom filter, creating a coherent three-way response rather than the overlapping or misaligned transition that a generic fixed-frequency crossover produces when paired with speakers of varying real-world roll-off behaviour.

Can the Dynaudio Sub 6 be used with non-Dynaudio speakers?

Yes, the Sub 6 fully supports integration with non-Dynaudio speakers through its manual adjustment mode. Crossover frequency is adjustable from 40 to 120 Hz at 24 dB per octave, with independent gain and phase controls. The three-band parametric EQ and time delay alignment features are available in manual mode as well. For users whose speaker model is not in the preset list, selecting the crossover frequency closest to the speaker's rated -6 dB low-frequency cutoff provides a starting point for manual integration.

What connection types does the Dynaudio Sub 6 support?

The Sub 6 provides both balanced XLR and unbalanced RCA connections on both input and output, giving two inputs and two outputs in each format. This allows it to be inserted in the signal path between a preamplifier and power amplifier using high-level outputs, connected to an AV processor's LFE or subwoofer output, or looped through from source to amplifier while the sub takes a parallel feed. The balanced XLR connections are particularly valuable in systems using professional or semi-professional preamplification where balanced signal routing is standard.

Where can I buy the Dynaudio Sub 6 in Buffalo, NY or the USA?

The Dynaudio Sub 6 is available at Vinyl Sound in Buffalo, NY, USA. Vinyl Sound is an authorized Dynaudio dealer serving customers in Buffalo, Western New York, and across the United States. Contact Vinyl Sound Buffalo to discuss system integration with your existing Dynaudio speakers or to arrange a demonstration.