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 18Sound 18"

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T O P I C    R E V I E W
Imperial Posted - 2011/10/01 : 23:12:24
Tjenare!

Jag har 4 st 18ND930.
Förslag på små lådor önskas.
Dom behöver inte gå under 40Hz.
Det är trycket jag är ute efter

Hytten är ca 4m2 så urymmet är begränsat
för tillfället

/
4   L A T E S T    R E P L I E S    (Newest First)
Imperial Posted - 2011/10/03 : 22:42:09

GENERAL SPECIFICATIONS
Nominal Diameter 460mm (18 in)
Rated Impedance 8 ohms
AES Power 500W
Program Power (1) 800W
Peak Power (2) 1600W
Sensitivity (3) 99 dB
Frequency Range (4) 35 - 3800 Hz
Power Compression @-10dB (5) 0,6 dB
Power Compression @-3dB 1,9 dB
Power Compression @Full Power 2,8 dB
Max Recomm. Frequency 500 Hz
Recomm. Enclosure Volume 90 ÷ 200 lt. (3,18 - 7,06 cu ft)
Minimum Impedance 6,7 ohms at 25°C
Max Peak To Peak Excursion 34 mm (1,34 in)
Voice Coil Diameter 75 mm (2,95 in)
Voice Coil Winding Material copper
Suspension Double roll, treated polycotton
Cone Curvilinear treated paper

THIELE SMALL PARAMETERS (6)
Fs 33 Hz
Re 5,5 ohms
Sd 0,1133 sq.mt. (175,7 sq.in.)
Qms 7,65
Qes 0,29
Qts 0,28
Vas 316 lt. (11,16 cuft)
Mms 133 gr. (0,29 lb)
BL 22 Tm
Linear Mathematical Xmax (7) ±7,5 mm (±0,3 in)
Le (1kHz) 1,7 mH
Ref. Efficiency 1W@1m (half space) 97,8 dB

MOUNTING INFORMATIONS
Overall diameter 462 mm (18,19 in)
N. of mounting holes 8
Mounting holes diameter 8,5 mm (0,33 in)
Bolt circle diameter 438-440 mm (17,24-17,32 in)
Front mount baffle cutout ø 416 mm (16,38 in)
Rear mount baffle cutout ø 412 mm (16,22 in)
Total depth 201,5 mm (7,93 in)
Flange and gasket thickness 19 mm (0,75 in)
Net weight 5,9 kg (13,02 lb)
Shipping weight 7,3 kg (16,1 lb)
CardBoard Packaging dimensions 482x482x257 mm (18,98x18,98x10,12 in)
Imperial Posted - 2011/10/02 : 20:50:12
Tjenare!

PP;dom lådorna är vikta för 15W1300

Jag funderar lite på att sätta dom i väggen å bygga lådorna
i hytten brevid så det blir Wall of 18

Tryck har jag nu men mycket vill ha mer å Lab SS1000 gillar 4Ohm.
Det är ju trots allt bara en sovrumsstereo.

/
PetterPersson Posted - 2011/10/02 : 12:38:38
Skulle passa bra i de BR-lådor du iallafall skulle köpa av mig. 150-170 liter, 400 cm2 port ~30 cm lång.
sladdbarn Posted - 2011/10/02 : 10:27:10
Hur skulle du inte kunna få tryck på 4m2 med fyra artontummare?

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