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“Near 20 years ago
we made history with our Terra loudspeakers. Each part even the smallest one had two goals: to use the best of laws of physics to reproduce sound as clear as possible and to look awesome.
We succeed.
Now we present our new
Terra Mk4.
Fourth generation of excellence.”

Kamen Dobrev
creator of Terra series loudspeakers


#1 WHY THIS DARTH VADER STYLED BOWL?

- Shape of the enclosure has a vital role in the performance of the loudspeaker. Moving of speakers causes sound waves with very complex mixture in terms of frequency, amplitude, phase etc. If the shape is rectangular with parallel walls at certain frequencies two bad things may happen: the wall will start to vibrate due to interference and they will act as additional speakers, but without control. So the general sound will be unpredictable mix of the sound caused of the speakers and box’ walls. Second: standing waves will occur inside the cabinet which will raise enormously certain frequencies and will defeat other. So, why most of the loudspeakers have a shape like kitchen cabinets? Because it’s easy and cheap to do and many loudspeakers manufacturers do not manufacture the enclosures indeed but over source them to cabinets manufacturers.We went to the difficult way: we chose a shape which prevents both a.m. phenomenon. This shape is oval.

#2 WHY ALUMINIUM BOWL?

#4 WHY SUCH SHAPE FOR THE BAFFLE?

#3 WHAT IS “LIQUID STONE BAFFLE” AND WHY?

Terra Mk4 S is the fourth generation of our most applauded  loudspeaker. Started in 2002 and now 15 years later we have only one goal: to improve it. The enclosure of Terra Mk4 S is optimised to take the best of the laws of physics and houses powerful and perfectly tuned engine: 150W RMS woofer with 2,5” voice coil, patented neodymium magnet system, hexatech voice coil technology (the coil is wound using hexagonal wire instead of round one) and 1” neodymium tweeter with phase plug. And this is not all: control on the sensitivity of the tweeter can pump it up to + 6 dB or cut it down. Using this feature you can perfectly tune Terra Mk4 Special to the room acoustics and the sound material you play.  

When listen Terra Mk4 you will be surprised. Your first question will be: how such small speaker can have such big sound? And you will be not the first surprised. Now we have thousands happy customers and it is most likely each one of them to ask this question.

IN SHORT: The sound of Terra Mk4 is linear, powerful, with deep bass, amazingly transparent mids especially in the vocal range and bright non-fatiguing  high frequencies. Sound much bigger than the physical dimensions.

“Surprisingly big sound for such small loudspeaker...very linear and neutral sound...excellent nearfield monitor...I take them always with me in my record sessions.” 

Kirk Yano – Multiple Grammy Award Winner

TWO keywords are essential for the sound quality of Terra MK4: anechoic chamber and refinement.

After the prototype is ready we spend numerous hours in the anechoic chamber and we refine step by step the sound until we feel that this is it!


Terra Mk4  TECH SPECS:

Frequency response ::        59 Hz - 25 kHz
Nominal impedance ::        8 Ohms
Sensitivity ::                          86 dB @ 1W/1m
RMS Power ::                       150 W
Tweeter ::                             1” neodymium, phase plug
Bass/Mid ::                           4.5" woofer with 2.5" voice coil, neodymium                                                  magnet and hexagonal wire
Dimensions ::                       38 x 21 x 28 cm (H W D)
Weight ::                               5.9 kg

4.5" woofer with 2.5" voice coil, neodymium magnet and hexagonal wire

25 mm neodymium tweeter with phase plug

Resonance free aircraft aluminium alloy enclosure die cast under high pressure

“Liquid stone”  baffle

Solid aluminium alloy individually CNC machined tweeter and bass port horns, feet and potentiometer knob

Stainless steel laser cut potentiometer scales

Full grain vegetable tanned leather decorations

Mundorf capacitors

Gold plated connectors

High end cables inside

Highest quality lacquers and stains

Brief list of parts and materials

What is Terra Mk4 best for?

HIGH END HOME STEREO

HIGH END HOME CINEMA

STUDIO MONITORING

Who is Terra Mk4 made for?

EVERYONE WHO PREFERS HIGH QUALITY THAN LOW PRICE

HAS STYLE AND LIKES TO BE DIFFERENT

APPRECIATES PRODUCT PERSONALIZATION AND SPECIAL ATTENTION

LIKES MUSIC AND GOOD WINES

ASK FOR PRICE NOW

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Floor stand THS-2 and Wall mount WM-2.Click HERE for details.

A N Y   C O L O U R   I S   P O S S I B L E

any colour Terra Mk4 Excellence  by  design STATE OF THE ART ENGINEERING. FORM FOLLOWS FUNCTION PHILOSOPHY.

If you ask about any detail:
Why you did it in this way?
You will receive clear and accurate reply.

Wanna try?

OK, Let’s go!

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Copyright © 2017 Everything But The Box SA. All rights reserved. F.A.Q. AWARDS WARRANTY PRIVACY Die cast aluminium  Enclosure,  Extremely  heavy baffle,  variable control on  the high frequencies. Amazingly linear  and powerful  sound. L E T’ S   S P E A K   A B O U T   S O U N D L E T’ S   S P E A K   A B O U T   T E C H  S P E C S

We manufacture all our products in own modern factory, located near Varna.

All of the design and most of the manufacturing works are done here.

We do not order our products somewhere else and put only our brand name on them.
Instead we invested in building, machinery, know-how and people and build almost everything in house.

This allows us to keep each step under full control.
We are absolutely convinced in the quality of each part or material we use, as well as in the highest quality work.


This is why we back up our products with:

M A N U F A C T U R I N G  &  W A R R A N T Y G A L L E R Y A C C E S S O R I E S

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