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surrounTec™ [:ipon] professional
passive nearfield monitor with optionally integrated monoblock amplifier


[:ipon] is a analog mixing and mastering tool for demanding near field monitoring. It is optimized for holographic transients, extremely low harmonic distortion of less than 1% up to 90dB as well an ideal voice reproduction. The recommended listening distance to this speaker is 1.8-2.4 meters.

A special feature of the new [:ipon] is the mechanical Time-Alignment of the drivers acoustical centers. This means that all drivers radiate all frequencies from the same place at the same time. The step response is very close to being perfect: tweeter and midrange driver start at the same time on the same axes with the same rising edge. The combination with a true D´Appolito design yields a transparent and rich on details room illustration. The horizontal sound radiation is construction-condition rather wide and yields a large sweet spot. Even when you leave the sweet pot area there will be no sound coloration at all. The frequency response is linear without break-outs.

The clou of [:ipon] is that by using the surrounTec™ filter the phase is passed on between the drivers without noticeable shifts. This concept means that the different frequency responses from the individual drivers summ up to a smooth total frequency response of the loudspeaker. The optionally build-in amplifier is placed before the filters in the signal path. With this monitor you will not have to make any compromises!

The [:ipon] nearfield monitor is available in the following configurations:

– [:ipon] Professional passive with surrounTec™ filters with Mundorf Supreme silver/gold components and audiophile Mundorf M-Connect terminals.

– [:ipon] Professional powered is identical to the passive version but with integrated high-grade class D monoblock amplifier module placed before the zero order filters.

[:ipon] can be supplemented by any subwoofer. We recommend the usage of one active [:log] module. There are two monitor tripods available for [:ipon]: the motor driven [:base] and the 4 pillar acoustic stand [:column] made from steel with sand-filling. We gladly help you to find the best solution for you.




Model [:ipon] Professional, 3rd generation
Typ 2way passive analog D´Appolito nearfield monitor
Variants – Analog, passive
– Analog, powered with integraded class D mono amplifier
Characteristics Phase coherence
Mechanical Time-Alignment
Coincidental sound emitting
Identical diaphragm materials at all drivers
Sound radiation Up to 2dB deviation from the reference axis
Horizontal: more than 45° to left and right
Vertical: maximum 15° up and down
Frequency-response Linear with meanderings + / 2dB between 50Hz to 25KHz
F3=43Hz, Fmax.=>35kHz
Cross-over Passive surrounTec™ filters
with wide overlapping frequency bands
Sensitivity 90dB/1W/1m using 2.83V
Max. SPL 110dB/1m
Harmonic Distortion Upto 90dB <1%
Impedance 4Ohm
& drvivers
30mm Accuton ceramic tweeter
2 x 7“ Accuton ceramic midrange/bass

All drivers are fine-tuned specifically for surrounTec™
Amplification Optionally we integrate into [:ipon] a discrete analog class D
monoblock amplifier with 200watt. This amplifier is placed
before the analog filters!
Input [:ipon]passiv: Mundorf M-Connect terminals
[:ipon]powered: +6dBu, symmetrical XLR
Dimensions 251x523x470mm (width x depth x height)
Weight [:ipon]passiv 27kg per channel
[:ipon]powered 35kg per channel
Loudspeaker cabinet Bass-reflex. Isoplate and cabinet made from MDF, multiple
matrix bracings. Standard finish: matte white structural paint
any given RAL colour possible.
Included in delivery Power cord: PowerCon/Schuko, length 2,5m
Installation on-site
Warranty Lifelong for the first owner, except burnt through voice coils
or destroyed membranes
All technical specifications are subject to change without notice.