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  • M 420 F Stereo Set
  • M 420 F Stereo Set
  • M 420 F Stereo Set
  • M 420 F Stereo Set
  • M 420 F Stereo Set
  • M 420 F Stereo Set

M 420 F Stereo Set

Stereo speaker with integrated active subwoofer
Floor standing loudspeakers with integrated active subwoofers
  • 8 week trial
  • Directly from manufacturer
  • Free & easy returns

Highlights

Key advantages at a glance
  • Floor standing loudspeakers with integrated active subwoofers
  • 2 x 175 watt amplifier operating 250 mm side-mounted bass drivers
  • 3-way D'Appolito construction: 2 x 130 mm mid-range driver, 25 mm tweeter
  • Works with any AV receiver or stereo amplifier
  • Adjustable bass can be increased or decreased
  • Recommended for spaces up to 35 sqm.
The two active/passive M 420 F column speakers with integrated subwoofer are capable of producing an incredibly powerful yet finely differentiated sound. The integrated 175 watt amplifier powers the laterally positioned 250 mm subwoofers and can be connected directly to the speaker output of a stereo amplifier. The set is only available in pairs and the price refers to a pair.

Included components

  • Hybrid Speaker M 420 F
  • Hybrid Speaker M 420 F

Specifications

Hybrid Speaker M 420 F
Hybrid Speaker M 420 F
The M 420 F column speaker is much more than a conventional column speaker. The special hybrid construction of this speaker allows it to simultaneously function as a passive stereo speaker and an active subwoofer.

Two 130 mm carbon fibre woofers and a 25 mm neodymium tweeter have been implemented in each speaker using the tried-and-tested D’Appollito configuration. Flanked by a 250 mm side-firing subwoofer, the M 420 F has a full-bodied response with incredible bass – and all in an ultra thin design!

The remarkable bass performance of this speaker is made possible by a separate 175 W amplifier which is solely responsible for the subwoofer channel. The tweeter/mid-range driver is located above, and is passively decoupled to handle frequencies from 90 Hz upwards. This driver can easily be seen from the front and is acoustically isolated within the column.

The universal design of the integrated active subwoofer allows it to be connected to the ‘Sub Out’ of your AV receiver or the speaker terminals of your stereo amplifier. In any case, this relieves your amplifier/receiver from bass duties and frees it up to concentrate more on the other frequency ranges.

With a pair of M 420 F speakers, you will dramatically improve the quality of the bass response in your stereo system. When used in a surround sound system, these two column speakers essentially add two subwoofers to your system.

A three-stage volume selector switch allows you to select how much bass is split between the subwoofer and tweeter/mid-range drivers and thus match the system to your listening environment.

This active/passive design delivers bass all the way down to 35 Hz and can generate sound pressure levels as high as 103 dB/m!
Hybrid Speaker M 420 F
Speaker
Continuous power handling (IEC - Long Term) 130 Watt
Peak power capacity (IEC - Short Term) 180 Watt
Minimum amplifier output power recommended 20 Watt
Maximum sound pressure level 103 dB/1m
Impedance 4-8 Ohm
Frequency range from/to 34 - 22000 Hz
Crossover frequency to Woofer (recommended) 90 Hz
Tweeter (number per enclosure) 1
Tweeter (diameter) 25.00 mm
Tweeter (material) Fabric with neodym magnet
Bass/Midrange driver (number per enclosure) 2
Bass/Midrange driver (diameter) 130.00 mm
Bass/Midrange driver (material) Fibreglass membrane, chromium-coloured phase plug
Woofer (number per enclosure) 1
Woofer (diameter) 250.00 mm
Acoustic principle 2-way (passive part)
Enclosure type Closed (passive part)
Removable front cover Yes
Magnetic shielding Yes
Terminal clamps Screw terminals
Suitable for banana plug Yes
Maximum cable diameter 4.00 mm
Suitable for AV receiver Yes
Electronics
Level control Analogue
Standby-Function Yes
Standby-Power consumption 2 watt
Dimensions
Depth 36.00 cm
Width 16.50 cm
Height 110.00 cm
Weight 23.60 kg

Expert reviews

M 420 F Stereo Set review of Stiftung Warentest
M 420 F Stereo Set review of Stiftung Warentest
"Best pair of loudspeakers for music lovers" (The stereo floor-standing loudspeakers M 420 F from Teufel were tested)
Stiftung Warentest
In test: 12 stereo loudspeaker sets

"Lively, well-balanced sound. Very easy to connect, "good" instructions. Active bass, three settings, higher energy consumption in operation. Highest and deepest loudspeaker."

Listening test: Good (2.0 – best rating in the "stereo floor-standing loudspeakers" test)

Technical tests: Satisfactory (2.8 – best rating in the "stereo floor-standing loudspeakers" test)

Handling: Good (2.3 – best rating in the "stereo floor-standing loudspeakers" test)

Workmanship: Satisfactory (2.7)

Test quality rating: GOOD (2.2 – best rating in the test)

Downloads & support

Help regarding this product
Can I order the Teufel speakers in different colours than those offered?
To realise the very reasonable sales prices usual for Teufel, it is not possible to offer the speakers in a multitude of housing designs.

This circumstance would drive up the production and storage costs, which would result in a significantly more expensive sales price.

A paint shop in your vicinity will surely be able to repaint the speaker housing to your preferred colour without loss of warranty - after expiry of the eight-week right of return.
What are the volume switches for?
The sound of the speaker always depends on the room where it is located.

The volume of the active subwoofer can be controlled so that you can adapt the relationship between the active bass and treble / mid tones to suit the room.

Use your own senses to judge which settings sound best in your room. This switch is especially useful in stereo mode. On the other hand, multichannel amplifiers often have technologies that adjust the subwoofer volume - so when using a multichannel amplifier the controller should first be set at 0dB.
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