Shop

Professional Series · Datasheet

Dayton Audio Reference RSS210HO Box: Ported 8" Professional Series Enclosure Single 8" Ported enclosure

Net volume
0.90 Cubic Feet
Tuning
34.5 Hz
Max mounting depth
4.961 Inches (Dayton Audio Spec)
Cutout
7.283 Inches (Dayton Audio Spec)
External dimensions
30.00 Inches W × 14.00 Inches H × 10.00 Inches D
Front baffle
Three 3/4" MDF layers, 2.25" total | Woofer Flush-Mounted In The Outer Layer
Buy at Audio IntensityFactory-direct, ships from Tullahoma
Dayton Audio Reference RSS210HOBuy at Audio Intensity
  • Alignment: 0.90 cu ft net vented at 34.5 Hz. F3 29.8 Hz anechoic, 2.65 dB passband ripple
  • Driver: Dayton Audio Reference RSS210HO, 300 W RMS, 11.0 mm Xmax, 29.60 Hz Fs
  • Build: Front-firing standard box, 2.25" three-layer baffle with the woofer flush-mounted in the outer layer, Dayton Audio logo acrylic, dado joinery, 15.6 sq in front slot port beside the woofer with one bend along the back wall, port and excursion gated at 360 W
  • Cabinet: 30.00" W x 14.00" H x 10.00" D, 46 lb, threaded inserts pressed into the baffle on the published 7.756 inch bolt circle

Spec of record

Technical specifications

SeriesProline X Professional
Driver-Specific FitmentDayton Audio Reference RSS210HO (RSS210HO-4 single 4 ohm or RSS210HO-8 single 8 ohm)
Enclosure TypePorted | Front-Firing Standard Box
External Width30.00 Inches
External Height14.00 Inches
External Depth10.00 Inches
Internal Volume (Gross)1.39 Cubic Feet
Internal Volume (Net After Displacement)0.90 Cubic Feet
Port TypeVertical Slot Beside The Woofer | Front Exit | One 90 Degree Bend Along The Back Wall
Port Geometry1.25 x 12.50 Inches, 15.6 Square Inches, 32.00 Inches Of Path
Port Area15.6 Square Inches
Port Tuning (Fb)34.5 Hz
Port Mouth1/2 In Roundover On All Four Edges, 30.4 Square Inches At The Face
Port Air Velocity18.6 m/s In The Channel, 9.6 m/s At The Mouth, At 360 W (17.0 m/s Chuff Threshold)
Design Power Basis360 W RMS (1.2 x The Driver Rating) For Port Velocity And Excursion
Predicted F329.8 Hz (Anechoic)
Passband Ripple2.65 dB (Anechoic)
Subsonic Filter27 Hz High-Pass, 24 dB/Octave - REQUIRED On A Vented Enclosure
Driver Fs29.60 Hz
Driver Qts0.400
Driver Qes / Qms0.460 / 3.330
Driver Vas18.700 Liters / 0.660 Cubic Feet
Driver Sd213.8 Square Centimeters
Driver Mms99.30 g
Driver BL12.00
Driver Re3.6 Ohm
Driver Xmax11mm (One-Way)
Driver Displacement0.05 Cubic Feet (Published by Dayton Audio)
Driver Power Handling300 Watts RMS
Driver Overall Diameter8.386 Inches (Dayton Audio Spec)
Mounting Depth Required4.961 Inches (Dayton Audio Spec)
Cutout Diameter7.283 Inches (Dayton Audio Spec)
Flush Mount Recess9.375 Inches In The Outer Layer
MaterialLangboard Elite 3/4" MDF
ConstructionShopSabre CNC / Two Windowed Braces Front To Back Either Side Of The Woofer
JoineryDado Joinery (CNC-Cut), Flat Panels
Front Baffle ConstructionThree 3/4" MDF layers, 2.25" total | Woofer Flush-Mounted In The Outer Layer
Baffle Layers3
AcrylicGlossy Black Dayton Audio Logo Insert, Outer Layer, Standard
Mounting HardwareThreaded Inserts On The Published 7.756 In Bolt Circle | Stainless Machine Screws Included
Voice Coil ConfigurationSingle 4 Ohm
Terminal CupProline X ABS/Carbon Fiber Composite | Back Panel, Terminal-Cup Side | 12g OFC Pre-Wired
DampingNone - Ships Dry. Polyfill Detunes A Ported Enclosure
Recommended Power210-300 Watts RMS (Dayton Audio Rated: 300W RMS)
Carpet FinishPlush Black
Shipping Weight52 lb
ShippingUPS Ground Parcel, Included In The 48 States
Bundle OptionsEnclosure Only (Bring Your Own Dayton Audio Reference RSS210HO)
Warranty2-Year Limited (Enclosure)
ManufacturedTullahoma, Tennessee, USA

Modelled response

Performance in this enclosure

Net airspace
0.90
cu ft
Tuning
34.5
Hz · Fb
Half power
29.8
Hz · F3, anechoic
Xmax at
522
W RMS · 27 Hz subsonic
With NO filter
107
W RMS · unfiltered
Port
9.6
m/s at the mouth · 360 W

01Is this driver right for a ported box?

Efficiency bandwidth product places the motor before anything else is decided.

EBP = Fs ÷ Qes = 64.3
SEALED 0–50 TRANSITION 50–100 PORTED 100–150 0 50 100 150 EBP 64.3
Dayton Audio RSS210HO-4 · EBP 64.3
Between 50 and 100 a driver takes either load, and the choice becomes one of priorities rather than of physics. The Dayton Audio RSS210HO-4 reads 64.3. Ported buys output and low-end reach around tuning; sealed buys a shallower rolloff below it. This cabinet takes the first trade.

02What the box does to it

0.90 cu ft net against a 18.7 L Vas, vented at 34.5 Hz.

Fb = 34.5 Hz  ·  F3 = 29.8 Hz  ·  passband ripple 2.65 dB
20 30 50 70 100 150 200 +4 0 −4 −8 −12 −16 −20 −24 −28 −32 FREQUENCY · Hz LEVEL · dB −3 dB Fb 34.5
Dayton Audio RSS210HO-4 · Fb 34.5 Hz, F3 29.8 Hz
Anechoic, before any cabin gain, with the 27 Hz subsonic filter already applied. The vent takes over below 34 Hz and the cone stops doing the work there, which is what holds travel down at the bottom of the passband.

03Ported vs Sealed

No sealed comparison is shown for this driver.

A ported-versus-sealed chart is only worth reading against a sealed box someone would actually build: the one we make for the driver, or the one its maker recommends. Neither exists for the Dayton Audio RSS210HO-4 — we do not build a sealed enclosure for it and Dayton publish no sealed volume for it — so rather than compare this cabinet against itself stuffed and sealed, a box no one would build, the comparison is left out.

04The watts that reach Xmax (in this enclosure)

Travel scales with the square root of power, so there is one wattage that puts the cone exactly on Dayton's published 11.0 mm. The two traces are the same cabinet with the subsonic filter switched on and switched off.

PXmax = 522 W with a 27 Hz subsonic  ·  107 W with none  →  the filter is worth 4.9×
20 30 50 70 100 150 200 0 4 8 12 FREQUENCY · Hz CONE TRAVEL · mm PAST LINEAR TRAVEL · Xmax 11.0 mm 522 W reaches Xmax here
522 W · subsonic at 27 Hz, 24 dB/oct107 W · no subsonic filterXmax 11.0 mm one-way, published
Each trace touches the limit and no further, because each is drawn at the exact power that puts the cone on 11.0 mm. With a 27 Hz subsonic that takes 522 W, reached first at 26 Hz. Take the filter away and the same cabinet reaches 11.0 mm on 107 W — the filter is worth 4.9× the safe power. A vent unloads the cone below tuning, so there is nothing holding it once the box stops loading: on a sealed build a subsonic filter is an improvement, here it is required equipment. The unfiltered trace is still rising where this chart stops at 20 Hz, so treat 107 W as a bound rather than a floor. Every wattage on this page is a MECHANICAL limit, not an electrical one. It is the power at which the cone runs out of linear travel in this cabinet, and nothing more. What the voice coil can dissipate as heat is a separate ceiling set by the driver, not by the box — Dayton rate this one at 300 W RMS, and that is the number that binds first here: heat stops you before travel does, so treat 300 W as the ceiling and the travel figures above as headroom. Final wired impedance, amplifier output and how long you hold the level are all electrical questions this graph does not answer.

From the shop floor

Installer's take

I built this box for one RSS210HO on the full Professional chassis: 0.90 cubic feet net at 34.5 Hz, three layers of baffle with the frame flush in the outer one, and a slot port that turns once along the back wall.

It fits both Dayton versions, the RSS210HO-4 (single 4 ohm) and the RSS210HO-8 (single 8 ohm); the cabinet is tuned on the RSS210HO-4 and was run with the RSS210HO-8 too.

Dayton rate it 300 W RMS. Set the subsonic filter near 28 Hz and leave it there; it ships dry, no polyfill in a ported box.

Before you order

Questions

Why is this enclosure tuned to 34.5 Hz?

Sealed, the RSS210HO is listed in our sealed wedge (PO 8-S W RSS210HO) at 0.31 cubic feet, Qtc 0.71, half power 52 Hz. The slot is gated at 360 W: the channel runs 18.6 m/s and the mouth 9.6, and the cone peaks at 9.1 of its 11 mm with the subsonic filter in place. Passband ripple is 2.6 dB. The RSS210HO-8 (single 8 ohm) was run through the same cabinet: F3 29.8 Hz, passband ripple 2.6 dB, 8.3 of its 12 mm at 300 W. Tuning is chosen for in-car response rather than an anechoic curve: a vehicle adds roughly 12 dB per octave below about 45 Hz, and this tuning is where that sum comes out flattest across 25 to 60 Hz.

Why is this a Professional build and not a Performance Optimized box?

The Reference RSS210HO also builds in the Performance Optimized ported wedge and ported down-fire, the smaller and cheaper boxes. The Professional cabinet is the step up for it: a 2.25 inch three-layer baffle with the woofer flush in the outer layer, and a slot port gated at 360 W. It carries a 2 year warranty, against 1 year on the Performance Optimized lines.

Threaded inserts or a kit?

Threaded inserts pressed into the baffle on the published 7.756 inch bolt circle, stainless machine screws included. The inserts are in the baffle when it arrives; the machine screws are in the terminal cup bag.

Do I need a subsonic filter?

Yes, at 27 Hz, 24 dB per octave. Below tuning a vented box stops loading the cone and excursion runs away toward DC. With the filter in place this cabinet puts the Dayton Audio Reference RSS210HO at 83 percent of its usable travel at 360 W.

Would a sealed box be better for me?

Not one we can show you. We do not build a sealed enclosure for the Dayton Audio Reference RSS210HO and Dayton Audio publish no sealed volume for it, so the Performance Graphs tab carries no ported-versus-sealed chart: the only sealed box left to plot would be this cabinet stuffed and sealed, which nobody would build, and a comparison against it would tell you nothing you could buy. What a vented box gives up is the region below tuning, where the cone unloads and the 27 Hz subsonic filter takes over; around 34.5 Hz the vent carries the load and cone travel drops to its minimum, which no sealed alignment can do.

How does the front port work?

It is a vertical slot beside the woofer, the full height of the cavity, 1.25 inches wide and 15.6 square inches. It runs 5.00 inches to the back wall and turns once along it for 22.00 inches; the fold costs about 1.5 Hz and the port is cut for it. The channel runs at 18.6 metres per second at 360 W, 49 percent of its turbulence limit, and the mouth edges carry a 1/2 inch roundover so the air leaves the face at 9.6 metres per second against the 17 metres per second threshold where a slot starts to chuff.

What does the price cover, and how does it ship?

46 lb, 30.00" W x 14.00" H x 10.00" D external. Every Professional cabinet is priced the same way, by its size: this one is 2.43 cubic feet outside. Delivery to the 48 states is inside the price; it ships as a 46 lb parcel and checkout adds nothing. Do not add polyfill; it ships dry on purpose.

Is the Reference RSS210HO included?

No. This is an enclosure only, cut for the Dayton Audio Reference RSS210HO specifically: the 7.283 inch cutout, the 4.961 inch mounting depth allowance and the 0.90 cubic foot alignment all come from Dayton Audio's published parameters. It fits both Dayton versions, the RSS210HO-4 (single 4 ohm) and the RSS210HO-8 (single 8 ohm); the cabinet is tuned on the RSS210HO-4 and was run with the RSS210HO-8 too. Bring your own driver.

Same series, same size

Other Professional Series models