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bits.00aud.io by 00 Audio

Eighteen Sound 18NLW4500 4Ω

LF Driver
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Media

Eighteen Sound 18NLW4500 18 inch 4 ohm loudspeaker driver view 1
Eighteen Sound 18NLW4500 18 inch 4 ohm loudspeaker driver view 2
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Overview

LF Driver
Eighteen Sound

Eighteen Sound 18NLW4500

Eighteen Sound 18NLW4500 is a 18" 4 ohm LF driver rated at 1800W RMS. The validated T/S data includes Fs 37Hz, Qts 0.31, Vas 127L, Xmax 14.8mm, sensitivity 95.1dB, plus 1807cm³ Vd and 116 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.

Size
18"
Impedance
4Ω
RMS Power
1800W
Sensitivity
95.1dB
96.5dBmanufacturer; using T/S-derived value (1.4dB delta).
EBP
116
Vented alignment
Vd
1807cm³
Datasheet

Datasheet traces

Frequency and impedance curves traced from the manufacturer PDF.

2 curves
85817773695001k2k5k10kHzdBfrequency response
frequency response195 ptsp2medium
Curve provenanceInspect 2 tracesHide details

These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works

  • frequency response

    Frequency response

    Trace datasheet-response-trace-poc/v2
    195 plotted pointsSource file SHA-256 daa1fa843d1f…Medium confidence2,347 selected pixels of 2,844
    Manufacturer datasheet, page 2

  • impedance

    Impedance response

    Trace datasheet-response-trace-poc/v2
    240 plotted pointsSource file SHA-256 daa1fa843d1f…Medium confidence5,001 selected pixels of 6,742
    Manufacturer datasheet, page 2

T/S Parameters

Valid
Canonical
Fs37Hz
Qts0.31
Qes0.32
Qms10.8
Vas127.0L
Re3.3Ω
Le1.59mH
BL26.7Tm
Sd1225cm²
Mms296g
Xmax14.8mm
SPL95dB
Power1800W
Power Nominal1800W
Impedance4Ω
F Low30Hz
F High1000Hz
What this validation status means

Pricing & availability

Price definitions

No standard offers found

Check the manufacturer website for current pricing.

Use this driver

Open it in 00 Simulator, download it for your enclosure tool, or copy the specification values.

Files use canonical values. Required mechanical fields are derived only where the target format needs them.

Hornresp

.txt · Hornresp driver database

Driver file ready to place in Hornresp’s Drivers folder.

Download for Hornresp

WinISD

.wdr · WinISD driver editor

Native WinISD driver record with the required SI conversions.

Download for WinISD

BASTA!

.bastaelement · BASTA! loudspeaker simulator

Native BASTA! element file using its documented SI-unit fields.

Download for BASTA!

VituixCAD

.wdr · VituixCAD 2 Enclosure

A WinISD driver file that VituixCAD imports directly.

Download for VituixCAD

00 Simulator

Direct import · Web app

Start a new enclosure simulation with this driver already loaded.

Open in 00 Simulator

Copy spec sheet

Plain text · Clipboard

Copy the available values as a clean label-and-value list.

Dimensions & Physical

Weight12.0kg
Diameter462.0mm
Overall Depth233.0mm
Cutout Diameter422.0mm
Bolt Circle Diameter440.0mm

Similar Drivers

Size stays fixed. Tune the T/S ranges to change what counts as a match, or add a specific driver to compare it directly.

Search Similar
Eighteen Sound 18NLW4500 18 inch 4 ohm loudspeaker driver similar-driver reference
Reference
Eighteen Sound
18NLW4500
18"
Compare on

Matches sit inside every range. Size stays fixed automatically.

Qts
Qes
Vas
L
Xmax
mm
BL
Tm

5 active T/S params, plus size. Pin a driver to open a side-by-side comparison.

12 matches

Compare a specific driver

Added drivers stay at the front of the list, whatever the ranges say.

B&C 18SW115 18 inch 4 ohm loudspeaker driver similar driver
88%
Similarity
£435.74
B&C
18SW115
18"
Xmax14mm-5%
Qts0.3-3%
BL26Tm-3%
Vas149.1L+17%
Qes0.31-3%
Eighteen Sound 18NLW9601 18 inch 4 ohm loudspeaker driver similar driver
81%
Similarity
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18NLW9601
18"
Xmax14mm-5%
Qts0.28-10%
BL25Tm-6%
Vas111L-13%
Qes0.29-9%
B&C 18DS100 18 inch 8 ohm loudspeaker driver similar driver
80%
Similarity
£359.00
B&C
18DS100
18"
Xmax14.5mm-2%
Qts0.29-6%
BL30Tm+12%
Vas155L+22%
Qes0.3-6%
Eighteen Sound 18NLW4500 18 inch 8 ohm loudspeaker driver similar driver
80%
Similarity
£485.58
Eighteen Sound
18NLW4500
18"
Xmax15.3mm+4%
Qts0.33+6%
BL30.3Tm+13%
Vas151L+19%
Qes0.34+6%
Eighteen Sound 18NLW9601 18 inch 8 ohm loudspeaker driver similar driver
79%
Similarity
£610.00
Eighteen Sound
18NLW9601
18"
Xmax14mm-5%
Qts0.28-10%
BL31Tm+16%
Vas120L-6%
Qes0.3-6%
Image unavailable
79%
Similarity
Precision Devices
PD.1845-1N
18"
Xmax16mm+8%
Qts0.32+5%
BL26.4Tm-1%
Vas179L+41%
Qes0.33+4%
B&C 18HTX100 18 inch 8 ohm loudspeaker driver similar driver
78%
Similarity
£809.86
B&C
18HTX100
18"
Xmax13mm-12%
Qts0.32+3%
BL26.3Tm-1%
Vas173L+36%
Qes0.34+6%
Celestion TSQ1845 18 inch 8 ohm loudspeaker driver similar driver
78%
Similarity
£409.00
Celestion
TSQ1845
18"
Xmax15mm+2%
Qts0.29-6%
BL33.8Tm+27%
Vas119.3L-6%
Qes0.3-6%
Oberton 18XB1301DS 18 inch 8 ohm loudspeaker driver similar driver
77%
Similarity
£284.15
Oberton
18XB1301DS
18"
Xmax12mm-19%
Qts0.3-3%
BL26.9Tm+1%
Vas172.9L+36%
Qes0.32-1%
Oberton 18NXB1600 18 inch 8 ohm loudspeaker driver similar driver
77%
Similarity
Oberton
18NXB1600
18"
Xmax13.5mm-8%
Qts0.3-2%
BL29.6Tm+11%
Vas173.1L+36%
Qes0.33+4%
B&C 18SW115 18 inch 8 ohm loudspeaker driver similar driver
76%
Similarity
£435.74
B&C
18SW115
18"
Xmax14mm-5%
Qts0.3-3%
BL30.3Tm+13%
Vas187L+47%
Qes0.320%
Eighteen Sound 18NTLW5000 18 inch 4 ohm loudspeaker driver similar driver
75%
Similarity
Eighteen Sound
18NTLW5000
18"
Xmax17.5mm+19%
Qts0.3-3%
BL25Tm-6%
Vas165L+30%
Qes0.31-3%