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Purifi PTT4.0X04-NFC-01 – 4″ 60W Woofer, 4 Ohm

Purifi PTT4.0X04-NFC-01 4Ω

LF Driver

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Media

Purifi PTT4.0X04-NFC-01 4 inch 4 ohm loudspeaker driver view 1

Purifi PTT4.0X04-NFC-01 4 inch 4 ohm loudspeaker driver view 2

Purifi PTT4.0X04-NFC-01 4 inch 4 ohm loudspeaker driver view 3

Purifi PTT4.0X04-NFC-01 4 inch 4 ohm loudspeaker driver view 4

Purifi PTT4.0X04-NFC-01 4 inch 4 ohm loudspeaker driver view 5

Purifi PTT4.0X04-NFC-01 4 inch 4 ohm loudspeaker driver view 6

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Overview

LF DriverPTT series

Purifi PTT4.0X04-NFC-01

Purifi PTT4.0X04-NFC-01 is a 4" 4 ohm LF driver rated at 60W RMS. The validated T/S data includes Fs 38Hz, Qts 0.30, Vas 6.4L, Xmax 8.8mm, sensitivity 82.4dB, plus 50cm³ Vd and 119 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.

Size

4"

Impedance

4Ω

RMS Power

60W

Sensitivity

82.4dB

84.5dBmanufacturer; using T/S-derived value (2.1dB delta).

EBP

119

Vented alignment

V_d

50cm³

T/S Parameters

Valid

Canonical

Fs38Hz

Qts0.30

Qes0.32

Qms4.5

Vas6.4L

Re3.8Ω

Le0.38mH

BL6.0Tm

Sd57cm²

Mms13g

Xmax8.8mm

SPL82dB

Power60W

Impedance4Ω

Min Impedance4.3Ω

Voice Coil30mm

What this validation status means

Pricing & availability

Price definitions

Vendor offers

1 vendor

Updated 11 Sept 2026

Source: inc VAT

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

Weight1.3kg

Diameter125.0mm

Cutout Diameter101.0mm

Bolt Circle Diameter115.0mm

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.

Purifi PTT4.0X04-NFC-01 4 inch 4 ohm loudspeaker driver similar-driver reference

Reference

Purifi

PTT4.0X04-NFC-01

4"

Compare on

Matches sit inside every range. Size stays fixed automatically.

Q_ts

Q_es

V_as

L

X_max

mm

BL

Tm

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

7 matches

Compare a specific driver

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

Purifi PTT4.0X04-NAC-03 4 inch 4 ohm loudspeaker driver similar driver

PTT4.0X04-NAC-03

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Purifi PTT4.0X08-NFC-01 4 inch 8 ohm loudspeaker driver similar driver

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SB Acoustics SB12CACS25-8 4 inch 8 ohm loudspeaker driver similar driver

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