Datasheet © www.heissmann-acoustics.de | |||||||||||||
Measurements in 17x35cm baffle in 70cm distance at 2,83V. level scaled to 1m | |||||||||||||
Seas Noferro-900 Visaton Waveguide WG-148R
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Directivity horizontal (0-90 ° in 15 ° steps)
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Due to the waveguide system-related symmetrical elevation in the frequency range from 1-10kHz.
The Seas Noferro 900 and the Waveguide WG-148R are a perfect match. Both mechanically and, and in particular acoustically. Directivity is extremly even, up to highest octaves. Just above 3kHz there is a slight widening. This can be further improved by clever connection to an 5-7 inch mid-bass driver. That behavior fitted perfectly with midrange speakers of the 15cm class. Crossover points around 2-3kHz promise excellent results. It should be noted: The combination was measured in a maximum narrow baffle (17cm). Such is usually very beneficial for waveguides in terms of controlled directivity. In the 2. Image, frequency response was roughly linearized by DSP. A shelving filter and a PEQ were set.
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Sound pressure standardized at angles to 15 °
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impedance |
Flawless impedance.
Very pronounced resonance peak at 900Hz, which is characteristic of a ferrofluid-free tweeter. |
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Burst decay |
Even and rapid decay over all frequencies. Perfectly. | ||||||||||||
Harmonic Distortions 85, 90 and 95dB
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The harmonic distortions are extremely low. Only at 10kHz scratched K2 at 95dB / m at the 1% mark ... inaudible. K3 and higher orders are negligible. Crossovers around 1,5kHz with> = 18dB / Oct can be realized without any problems. | ||||||||||||
Rating
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Summary The Seas Noferro-XNUMX with the Visaton Waveguide WG-XNUMXR measures itself ... ... excellent in all disciplines! There is not much more to say about it. The sum of the EIAs is incidentally, in view of the results, hard to believeXNUMX € (WGXNUMXR: XNUMX € and NoferroXNUMX XNUMX €, as of October XNUMX). |
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