ELIMINATE TURBULENCE

Appearing to hover above the floor, the cabinet is effectively decoupled from the floor by means of four polymer-based oversized spikes. The distance of 30 mm eliminates any potential turbulence from the space between the cabinet and the floor itself.

Elegant and clear design

The cabinet is designed to be as compact and living room friendly as possible despite the large woofer, but at the same time has enough volume to produce powerful and deep bass.

Versatile connections

Thanks to their separate LFE and line inputs, DALI subwoofers can be easily connected to almost all amplifiers and receivers.

High power amplifier

The power amplifiers integrated in the DALI subwoofers have a very high output power so that sufficient reserves are available even for the reproduction of powerful impulses.

DESCRIPTION

The DALI SUB E-9 F subwoofer is extremely compact with an edge length of only around 30 centimeters and is recommended for expanding numerous stereo and home cinema such as DALI’s ZENSOR and FAZON models.

A deep and powerful bass response is guaranteed by the combination of a 230 mm woofer chassis, a bass reflex system precisely matched to the driver and the 220 watt digital power amplifier integrated in the subwoofer. The woofer’s diaphragm is made of pure aluminum, which not only makes the cone extremely torsion-resistant and lightweight, but also gives the subwoofer an extremely refined hi-tech look at the same time. The generously dimensioned rubber surround, the heavy magnet system and the massive four-layer voice coil also allow the diaphragm particularly long-stroke movements – an important prerequisite for vehement air movements, which are further supported by the downward bass reflex port. After all, the comparatively tiny woofer offers a lower cutoff frequency of 37 Hertz and a sound pressure of up to 111 dB in this way.

A significant contribution to the high quality of the SUB E-9F also provides the built-in digital power amplifier. It mobilizes 170 watts of continuous and 220 watts of impulse power and can be optimally adjusted to the prevailing acoustic conditions with the integrated controls for volume and upper crossover frequency (control range 40 to 120 hertz) as well as a phase reversal switch. The DALI sub is controlled either via the LFE output of a home cinema or with a stereo signal.

The DALI SUB E-9 F is available in three different Gehäuse: A choice of high-quality foil surfaces in black ash, light walnut and white. The front panels are painted high-gloss black or white and contain hidden magnets that can be used to fix the front covers, which are available as optional accessories. Rounded rubber feet give the subwoofer a secure stand and couple it acoustically from the ground.

DIGITAL AMPLIFIER

The Class D amplifier integrated in the SUB E-9 F mobilizes an RMS sine power of 170 watts and was designed specifically for this subwoofer with regard to a particularly linear and low-distortion reproduction. It reaches a peak power of 220 watts – an important prerequisite for the most faithful possible implementation of bass pulses contained in film soundtracks and canned music.

The power required for this is provided by a large switching power supply. This is also responsible for the subwoofer’s extremely low power consumption of only 0.4 watts in standby mode. While much of the power generated by conventional analog amplifiers is lost in the form of heat, the SUB E-9 F’s digital amplifier has an impressive efficiency of 70%. Despite their high performance, the power amplifier and switching power supply thus generate only an absolute minimum of heat loss, which is why the subwoofer does not require any external heat sinks.

To ensure that the SUB E-9 F sounds optimal under all circumstances, we have integrated a limiter in the amplifier section. This works in two ways: It compares the amplitude of the input signal with the potential output signal and the available supply voltage of the power supply with the expected output signal. If one of these comparisons shows a problem, the limiter gently reduces the signal level without any loss of impulse response.

Since the DALI SUB E-9 F is equipped with controls for the volume level and the frequency of use (40 ~ 120 Hz) as well as a phase reversal switch, it can be perfectly adapted to most front speakers and room acoustics. Both line and LFE RCA connectors are available for connection to the preamplifier or receiver.

DEEP THOUGHTS

The 230 mm diaphragm of the SUB E-9 F is made of aluminum. Since this material is at the same time very stiff and yet light, it offers excellent impulse response that you would not normally expect from a subwoofer in this price range. True to the DALI philosophy of a particularly lifelike reproduction, the transient response is also very good, which allows an optimal interaction with the front speakers.

Instead of integrating a separate dust cap in the center of the diaphragm, the diaphragm consists of one piece, which brings its oscillating motion closer to the ideal of a piston. As a result, distortion is reduced to an absolute minimum, especially in the lowest frequency ranges that the subwoofer is supposed to reproduce.

The woofer’s drive uses a large-dimension ferrite magnet that provides a powerful magnetic field within the voice coil area. As a result, the SUB E-9 F’s frequency response extends down to 35 Hertz, and even in the lowest registers, exceedingly detailed reproduction is guaranteed in conjunction with high sound pressure.

In the interest of minimizing signal losses, an extremely flexible surround is used that allows for large and linear excursions. The large-dimension suspension is designed to convert both weak and stronger audio streams into acoustic signals without distortion.

DALI Sub E-9 F – Black

Product Highlights

• Maximum amplifier power ÄRMS WattÜ: 220
• Input impedance ÄOÜ: 25k
• Maximum sound pressure level ÄdBÜ: 111
• Maximum power consumption ÄWattÜ: 250
• Inputs: Mono (LFE), RCA, Stereo (low pass filtered)
• Dimension (H x W x D): 30.7 x 28.8 x 31.1 cm
• Weight: 11 kg

Equipment & Technology

• Frequency response lower limit (Hz) : 37
• Frequency response upper limit (Hz) : 200

cabinet features

• Width (cm) : 28.8
• Height (cm) : 30.7
• Depth (cm) : 31.1
• Weight (kg) : 11

Performance features

• Input impedance (KOhm) : 25
• max. Sound pressure (dB) : 111
• Rated power (W) : 170
• music power (W) : 220
• Frequency response lower limit (Hz) : 37
• Frequency response upper limit (Hz) : 200
• Digital amplifier technology : Yes
• Number of woofers : 1
• diameter woofer (cm) : 23
• Power consumption (W) : 250
• Power consumption, stand-by (W) : 0.4

Acoustic principle

• Acoustic principle : Bass reflex principle

Operation

• Volume control : Yes
• Phase reversing switch : Yes
• autom. Stand-by circuit : Yes

Connections

• Line RCA (IN) : Yes