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波波虎网络家庭影院 ScanSpeak D3004/604010球顶高音自测分享

专业音响网2019-12-18【转载】人已围观

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说起丹麦ScanSpeak单元,hifi发烧友都是耳熟能详,前两年HIFIDIY网站也是联合对ScanSpeak中国总代举办了多次团购推荐,惠及广大烧友。前面都是ScanSpeak经典中低音单元,享受到这些单元的烧友对其产品素质自是有口皆碑!
不过,今天要分享的是国外资深烧友Troels Gravesen对ScanSpeak D3004/604010 球顶高音单元的自测。

绅士宝球顶高音

绅士宝球顶高音


在去年慕尼黑高级音响展上看到了D3004/604010铍球顶高音的原型,一年后,ScanSpeak对这个单元做了些微修改,在15-20 kHz 范围内更平滑。

相较444欧元的D3004/664000 、475欧元的 D2908/714000,售价318欧元的D3004/604010无疑可以给你节约一笔费用。

Troels想在其设计的Illuminator-5和 AudioTechnology 3-Way Classic音箱中采用这款单元,所以顺理成章的要先自测一下它的素质!以下即为实测结果:

96khz 16k

96khz 16k


Above the basics. To the left SPL @ 1 meter, 2.8 volt for unit I and II. Quite a matched pair! Sensitivity is around 91-92 dB where SS conservatively rate them as 90.2 dB/2.8V/1 meter.
To the right impedance curves of unit I and II. With the deep rear chamber SS can maintain an Fs of 500 Hz, even a little below.

MLS-step response

MLS-step response


Above step response of unit I and unit II .

waterfall

waterfall


Above cumulative spectral decay of unit I and unit II .


These may not be as quite as clean as the 7140 tweeter, but better than the 6640 at the low range. By any standard an excellent performance.

MLS-step response

Dispersion @ 0, 10, 20, 30 and 40 deg off-axis.

SPL

SPL


Above distortion measured at an input equal to an SPL of 92 dB @ 1 meter distance. This is as good as any of the other SS Be domes.

SPL

SPL


Above distortion measured at an input equal to an SPL of 98 dB @ 1 meter distance.
These domes really go low with insignificant distortion and a 12 dB crossover at 2 kHz looks like a piece of cake!

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