Australian HiFi — May-June 2017

(Martin Jones) #1

Krix Epicentrix Mk2 Centre-Channel Speaker


2K Hz 3K 4K 5K 6K 7K 8K 9K 10K 20K 30K 40K

dBSPL

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105

(^110) Newport Test Labs
10 Hz 20 50 100 200 500 1K 2K
dBSPL
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(^110) Newport Test Labs
10 Hz 20 50 100 200 500 1K 2K 5K 10K 20K 40K
Ohm
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20 Deg
-180
-150
-120
-90
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-30
0
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Newport Test Labs^180
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dBSPL
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(^110) Newport Test Labs
Graph 2. High-frequency response, expanded view. Test stimulus gated sine.
Black trace shows response without grille, red trace shows response with
grille. Microphone placed at three metres on-axis with dome tweeter. Lower
measurement limit 2kHz. [Krix Epicentrix Mk2 Loudspeaker]
Graph 3.³Ɂ˹njʁƬɴˁƬȭƋ˿ʁƬʊɡɁȭʊƬɁnjnjʁɁȭǜȊǞʁǔȭǷŽŘʊʊʁƬǡƬ˾ɡɁʁǜɤʁƬƞǜʁŘƋƬɦƙ
˹ɁɁnjƬʁɤŽǚŘƋǘǜʁŘƋƬɦŘȭƞȧǔƞʁŘȭǷƬƞʁǔ˸ƬʁɤǷʁƬƬȭǜʁŘƋƬɦƖÂƬŘʁǞƬǚƞŘƋɴˁǔʊǔǜǔɁȭƖ
ñɁʁǜʤ˹ɁɁnjƬʁǚƬ˸ƬǚʊȭɁǜƋɁȧɡƬȭʊŘǜƬƞnjɁʁƞǔǏƬʁƬȭƋƬʊǔȭʁŘƞǔŘǜǔȭǷŘʁƬŘʊƖƅ°ʁǔ˾
Epicentrix Mk2 Loudspeaker]
Graph 4.“ȧɡƬƞŘȭƋƬȧɁƞˁǚˁʊɤŽǚŘƋǘǜʁŘƋƬɦŘȭƞɡǒŘʊƬɤŽǚˁƬǜʁŘƋƬɦƖʁƬƬȭ
ǜʁŘƋƬˁȭƞƬʁǔʊʁƬnjƬʁƬȭƋƬǮȊɁǒȧɡʁƬƋǔʊǔɁȭƋŘǚǔŽʁŘǜǔɁȭʁƬʊǔʊǜɁʁƖƅ°ʁǔ˾FɡǔƋƬȭǜʁǔ˾
Mk2 Loudspeaker]
Graph 5.hʁƬɴˁƬȭƋ˿ʁƬʊɡɁȭʊƬƖďʁŘƋƬŽƬǚɁ˹ʹǘŒ ̆ǔʊǜǒƬŘ˸ƬʁŘǷƬƞʁƬʊˁǚǜɁnjȭǔȭƬ
individual frequency sweeps measured at three metres, with the central grid point
on-axis with the tweeter using pink noise test stimulus with capture unsmoothed.
ďǒǔʊǒŘʊŽƬƬȭȧŘȭˁŘǚǚ˿ʊɡǚǔƋƬƞɤŘǜʹǘŒ ̆ɦǜɁǜǒƬǷŘǜƬƞǒǔǷǒȊnjʁƬɴˁƬȭƋ˿ʁƬʊɡɁȭʊƬƙŘȭ
Ƭ˾ɡŘȭƞƬƞ˸ǔƬ˹Ɂnj˹ǒǔƋǒǔʊʊǒɁ˹ȭǔȭʁŘɡǒʹƖƅ°ʁǔ˾FɡǔƋƬȭǜʁǔ˾Àǘʹ³ɁˁƞʊɡƬŘǘƬʁƇ
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