HEDD TM Extended Tower

1xTM80 / 2xTMS36/ 2xStands / 4xBrackets

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135 995,-
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HEDD Tower Mains

With the HEDD Tower Mains, we open up new horizons for full range studio monitoring systems and to what they can do and mean for the sound engineer. The HEDD Tower Mains let you rediscover what decisive role dynamics play in audio reproduction and how pivotal they are to achieve the highest degree in realism and authenticity. They are more than just tools: They give recording and mastering engineers superior acoustic control over their work.

A modular Main Monitoring system

Modern Main Monitoring Systems have to be cost-effective and flexible enough to work in every possible studio environment.  That’s why we designed the HEDD Tower Mains with a modular approach in mind.

They consist of one main unit (TM 80) that can be combined with either 1 or 2 subwoofers per channel. Each sub incorporates 4 drivers in a closed box design and 1.200?W of amplification. The Tower Mains components can be arranged flexibly, depending on the size and geometries of your working space. Due to a sophisticated filter design, you always will have a seamless transition and homogeneous sound: spectacular analog performance meets great versatility.

In the search for precision it was decided to apply closed box designs only as they principally allow the best approximation to ideal transient behaviour. The 3?dB lower efficiency compared to ported designs is compensated and even exceeded by having multiple drivers and enormous amplifier power. The TM 80 main unit with its five speakers in a vertically symmetrical alignment – a quasi d’Appolito configuration with the HEDD Air Motion Transformer as the centerpiece – delivers broad horizontal dispersion but a controlled vertical directivity. Thus unwanted reflexions from the ground or the ceiling are reduced.

The TM 80 is driven by 3x 300?W amplifiers with a response down to 80?Hz. The matching TMS 36 subwoofer comes with four 9” no-compromise long throw drivers and 1.200?W of amplifier power – 300?W per woofer to be more specific. Back to back sitting drivers compensate their impact to the enclosure thus avoiding cabinet resonances, their frequency response starts at 20 Hz (-3?dB) and stops at 80?Hz (-6?dB). The TMS 36 Subwoofer delivers an astounding transient response up to very high SPL levels.

TMS 36 Subwoofer with ICEpower amplification

The driving force in the TMS 36 Subwoofer unit are ICEpower 1200 AS2 modules, a combination of two 1200?W amplifiers and one 1200?W switching power supply. They are a new generation of PWM amplifiers with astounding performance and corresponding technical data. They compare favorably to even the most sophisticated High End amplifiers on the market.

If the woofers are driven in the same frequency band – which is the case here – the ICE modules deliver 600?W each due to the current limitation of the power supply. The advantage of this configuration is that they can output higher voltage peaks than what they can deliver in RMS current, for transients this is more important than the sheer RMS power. So each of the 4 drivers in a TMS 36 subwoofer gets 300?W continuous power with additional headroom. The woofers have an 8?O impedance, each amplifiers drives 2 units in parallel, so each unit is directly connected to an amplifier.

ICEpower Amp / Technical Data

  • Output power 2x 600?W / 4O cont.
  • Distortion: 0.003?% THD+N @ 1?kHz, 10 W / 4?O
    (see THD+N vs. power diagram)
  • Idle noise: 30?µV A-weighted output noise (see idle noise spectrum diagram)
  • Damping factor > 750 into 4?O up to 500?Hz
  • advanced µ-processor controlled safety guard
  • Universal mains including Power Factor Correction
    (100 – 240?V, 50 – 60?Hz)


    TM 80 TMS 36
    Woofer  2 4
    Basket Ø  7.2” (182?mm)  9” (223?mm) 
    Voice coil Ø  2” (51?mm)  2” (51?mm) 
    Midrange 2 -
    Basket Ø  4.7” (120?mm)  -
    Voice coil Ø  1.25” (32?mm)  -
    Tweeter  1 -
    Type  HEDD AMT -
    Equiv. Diaphragm Ø  2.2” (56?mm) -
    General data
    Amplification (ICEpower®)  3 x 300?W 2 x 600?W
    Input gain -20?dB … +6?dB -20?dB … +6?dB
    Input impedance 10?kOhm 10?kOhm
    High Shelf EQ > 2 kHz  ±4?dB (at 20?kHz)
    Frequency response  80?Hz (-6?dB) - 50?kHz  20?Hz (-3?dB) - 80?Hz (-6?dB)
    THD 102 dB/1m =1?%  =1?% 
    Max. SPL In half space 1 m =120?dB SPL =?122?dB SPL 
    Crossover frequency  250?Hz, 2.5?kHz 80?Hz (- 6?dB)
    Weight 35?kg 36?kg
    Dimensions W x H x D 280 x 835 x 400?mm 280 x 580 x 400?mm
    Teknisk info


    Gruppe 1 Studio / Data
    Gruppe 2 Monitorer (aktive)
    Produsent Hedd

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