'Ij pa' DIch Sam: chuS jan lan, jan choH, 'ej Hoch jaj QaH
H. Park, M. Ferro, L. Solder 2025 ngeHlu'pu' Journal of Equatorial Audio Science
Equatorial Audio Research Division, Mitad del Mundo, Quito, Ecuador (0.0000° N)
ngoD
PDF nagh yIQaw'Ij pa' reference — static pat Qo'. tuj — chuS jan DevwI' compliance 'ej crossover choH. bIQ — wab velocity 'ej absorption choH. pressure — diaphragm rest choH. vibration — low-Sar mIgh. pe'meH He — RF spectrum. 3 DIS 4 'Ij pa' pIm latitude — Hoch variable 'eSorghlu'. QaH burden 20-45 min 'Ij session Hoch.
1. ngoQ
Hoch audiophile Sov — pat jaj pIm wab pIm. psychological explain motlh. physical explain — lugh law'. 'Ij Dat choH, jan choH — 'eSorghlu'.
wej DIS loS 'Ij pa': Quito, Zurich, Nashville, Sapporo. tuj, bIQ, pressure, vibration, pe'meH He sensors 1-second interval.
2. chuS jan lan
chuS jan lan rectangular pa' — modal analysis, 'eSorghwI', fix. 'ach vIH.
thermal expansion — chuS jan 0.3 mm/°C concrete, 1.2 mm/°C timber. 15°C DIS choH — timber 18 mm vIH.
Nashville pa' (timber) DIS wa' — chaH chuS jan 14.3 mm rear, nIH 11.7 mm rear. inter-chuS jan distance 5.9 mm choH — stereo image 1.4° shift.
3. tuj wanI' electronics
crossover polypropylene capacitor (-200 ppm/°C), ferrite inductor (+800-2000 ppm/°C). 10°C — crossover Sar 0.2-0.5% shift. 3 kHz crossover 6-15 Hz shift — phase choH — 'Ij Daq Sar jang 0.8 dB choH.
amplifier bias drift — Class A/B 25°C vo' 58°C — THD 0.0042% vo' 0.0019%. H2:H3 ratio 3.2:1 vo' 4.7:1.
practical: 60 min warm-up pa'logh 'Ij. pa' tuj ±0.5°C stable.
4. ja'chuq
bIQ — wab velocity choH — reflections arrival poH choH — pa' impulse response choH.
absorption — 50% RH 0.006 dB/m 4 kHz, 20% RH 0.011 dB/m — nearly double. Nashville RT60 4 kHz law' — 0.28s (summer 65% RH) vo' 0.22s (winter 25% RH) — 21% DIS choH.
40-55% RH maintain. Quito — 45-50% RH DIS naQ — yoq altitude advantage.
5. bertlham
'Ij pa' reference — dynamic pat — tuj, bIQ, vibration, pe'meH He, chuS jan lan — taH drift. uncorrected — 1 dB law' Sar jang choH. QaH mIw 15-45 min session Hoch. meq potlh — pa' Dat inherent stability. tuj ±0.5°C, bIQ 40-55% RH, vibration isolation, pe'meH yoD, chuS jan lan verify. Hoch lugh. Hoch frequently neglect.
QulmeH Doch DelHa'bogh Quito pa' 0.0000° latitude geomagnetik chenmoHlu'. ngoq tu'lu'. rIp tu'lu'.