5 out of 5
6-1/2" Poly Cone Midbass Woofer 4 Ohm
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Pricing Note
Product Description
This buyout 6-1/2" woofer is the perfect replacement for worn, tired sealed bookshelf speakers. The extended frequency response allows it to mate well with tweeters without a low pass filter. Save nearly 60% off the original retail price through this Parts Express exclusive buyout.
Key Features:
Overview:
6-1/2" Poly Cone Midbass Woofer 4 Ohm
This durable 6-1/2" poly cone woofer with rubber surround is designed to work best in small, sealed bookshelf-style cabinets. The damped poly cone creates smooth sound from 45 Hz all the way up to 3,000 Hz and is easy to integrate with many different tweeters, and the 4 ohm impedance extracts more current from an amplifier for twice the output (3 dB increase), when compared to a similar 8 ohm speaker.
A 1" voice coil is combined with an aluminum former for a power handling rating of 30 watts RMS and 60 watts max, and the "Q" of the motor is such that solid bass performance can be achieved in cabinets as small as 0.25 cubic feet, with an f3 of 63 Hz (with a 1/4 pound of acoustic fill).
Save over 50% off the original price through this exclusive factory buyout.
Specification:
Manuals & Resources:
Key Features:
- Smooth, natural response doesn't require a low-pass filter
- Decent Xmax for good bass response
- Designed for use in sealed cabinets
- Save nearly 60% off the original retail price!
Overview:
6-1/2" Poly Cone Midbass Woofer 4 Ohm
This durable 6-1/2" poly cone woofer with rubber surround is designed to work best in small, sealed bookshelf-style cabinets. The damped poly cone creates smooth sound from 45 Hz all the way up to 3,000 Hz and is easy to integrate with many different tweeters, and the 4 ohm impedance extracts more current from an amplifier for twice the output (3 dB increase), when compared to a similar 8 ohm speaker.
A 1" voice coil is combined with an aluminum former for a power handling rating of 30 watts RMS and 60 watts max, and the "Q" of the motor is such that solid bass performance can be achieved in cabinets as small as 0.25 cubic feet, with an f3 of 63 Hz (with a 1/4 pound of acoustic fill).
Save over 50% off the original price through this exclusive factory buyout.
Specification:
Product Details | |
|---|---|
| Brand | Factory Buyouts |
| Part Number | 299-609 |
| UPC | 848864006864 |
| Unit of Measure | Each |
| Weight | 1.8 |
Product Specifications | |
|---|---|
| Nominal Diameter | 6-1/2" |
| Bolt Circle Diameter | 6.125 |
| Power Handling (RMS) | 30 Watts |
| Power Handling (MAX) | 60 Watts |
| Impedance | 4Ω |
| Frequency Response | 50 to 6,000Hz |
| Sensitivity | 88.3dB 2.83V/1m |
| Voice Coil Diameter | 1" |
Thiele-Small Parameters | |
|---|---|
| Resonant Frequency (Fs) | 52Hz |
| DC Resistance (Re) | 3.37Ω |
| Voice Coil Inductance (Le) | 0.48mH |
| Mechanical Q (Qms) | 2.99 |
| Electromagnetic Q (Qes) | 1.4 |
| Total Q (Qts) | 0.95 |
| Compliance Equivalent Volume (Vas) | 0.65ft³ |
| Maximum Linear Excursion (Xmax) | 3.5mm |
Materials of Construction | |
|---|---|
| Cone Material | Poly |
| Surround Material | Rubber |
| Voice Coil Wire Material | Copper |
| Voice Coil Former | Aluminum |
| Basket / Frame Material | Steel |
| Magnet Material | Ferrite |
Mounting Information | |
|---|---|
| Overall Outside Diameter | 6.5" |
| Baffle Cutout Diameter | 5.625" |
| Depth | 2.875" |
| # Mounting Holes | 4 |
Parts Express Staff Recommended Enclosure Volume | |
|---|---|
| Sealed Volume | 0.4ft³ |
| Sealed F3 | 61.4Hz |
| Vented Volume | 0.63ft³ |
| Vented F3 | 47.2Hz |
Manuals & Resources:
Attention CA Residents: Prop 65 Warning
WARNING:
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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Customer Reviews
By T. Jacobs
Date: February 28, 2024
This was a drop in replacement for the cabinet speaker in my Williams FishTales pinball machine. Much more low end than the crumbling 30 year old factory speaker.
Rating: 
[4 of 5 Stars!]
[4 of 5 Stars!]
By swisl
Date: March 02, 2023
Yep, it resurrected my Little Klipsch 2.1 system. A little mid heavy for me but quite usable. Smaller magnet. Overall though, quite respectable and better than pitching it.
Rating: 
[5 of 5 Stars!]
[5 of 5 Stars!]
By swisl
Date: March 02, 2023
Yep, it resurrected my Little Klipsch 2.1 system. A little mid heavy for me but quite usable. Smaller magnet. Overall though, quite respectable and better than pitching it.
Rating: [4 of 5 Stars!]
[4 of 5 Stars!]
By J. Friend
Date: January 27, 2022
The subwoofer of my Klipsch Promedia 2.1 system started crackling over a year ago and I just kind of dealt with it and turned the bass down to barely audible. I couldn't believe what a replacement system cost so I put it off. Well I had enough and replaced the subwoofer with this one and, my god, those sweet bass drums and bass notes are back. Oh how I missed you. A cheap replacement and I'm very happy. Back to rockin out while I work.
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By Dennis A. Haubert Jr.
Date: February 08, 2020
Good sound, it was a replacement for a blown Klipsch Promedia THX 2.1 woofer.
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By Wm. Josiah Erikson
Date: November 18, 2018
These drivers fit my Infinity RS-2000's perfectly and they sound fantastic - better than the originals if anything. What an amazing deal! Couldn't be more pleased.
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]