ETON GRAPHIT 8-2 Subwoofer Speaker Instruction Manual
- June 9, 2024
- ETON
Table of Contents
GRAPHIT 8-2 Subwoofer Speaker
Instruction Manual
8″/10″ HIGH-END
2×2 Ω / 2×4 Ω SUBWOOFER
200 MM / 250 MM HIGH-END
GRAPHIT 8-2
GRAPHIT 8-4
GRAPHIT 10-2
GRAPHIT 10-2
INSTRUCTION MANUAL
Introduction
ETON expressly thanks you for deciding to purchase this subwoofer and
congratulates you on the selection of this excellent product.
The ETON subwoofer is a guarantee for outstanding performance. The electrical,
mechanical and tonal characteristics will be maintained at the original high
standard throughout the entire operational life of this product. We wish you
many pleasant listening hours.
Operating Instructions
The current operational instructions are designed to ensure correct
installation of the amplifier. They contain information and essential
procedures for the correct operation of the product and its attached external
devices.
Please carefully study the operating instructions before beginning with the
installation or the connection of the subwoofer with the active amplifier
module.
Contents
GRAPHIT Subwoofer (8″ or 10″) with dual 2 x 2 ohms or 2 x 4 ohms voice coil
Safety Instructions
Attention !
Please read all warnings found in this manual. This information is highlighted
and included to inform you of the potential danger of personal injury or
damage to property.
Hearing Damage
CONTINOUS EXPOSURE TO SOUND PRESSURE LEVELS OVER 85dB MAY CAUSE PERMANENT
HEARING LOSS. HIGH POWERED AUTO-SOUND SYSTEMS MAY PRODUCE SOUND PRESSURE
LEVELS WELL OVER 130 dB. THIS MAY CAUSE DAMAGE OF HEARING. USE COMMON SENSE
AND AVOID SUCH RISKS!
Volume and Driver Awareness
Use of sound components can impair your ability to hear necessary traffic
sounds and may constitute a hazard while driving your automobile.
ETON accepts no liability for hearing loss, bodily injury or property damage
as a result of use or misuse of this product.
ATTENTION!
If sheet metal must be cut or removed contact your authorized car dealer for
professional advice. By damage to supporting body structures the safety
certificate may be withdrawn.
The GRAPHIT-subwoofer series is packed into an especially constructed
protecting carton. Do not damage the packing and store it for future use in
the case of possible damage. Upon receipt of the amplfier module verify that:
The packing is not damaged, the contents are according to specifications, the
product shows no obvious damage.In the case of missing or damaged parts please
contact immediately your dealer providing the model name as well as the serial
number of the subwoofer.
Tools
We recommend to place the following tools ready for installation:
- Suitable screws
- Sealing material
NOTE: We recommend screwing the subwoofer tightly by means of threaded
sockets or similar.
The subwoofer can be sealed with EPDM sealing tape / swelling tape. In any
case, a firm and airtight installation must be ensured.
Precations – Read first
Caution! Before installation, disconnect the battery negative (-)
terminal to prevent damage to the unit, fire and/or possible injury. This is
not possible in every modern vehicle. Please ask your carmaker or see your
owners handbook regarding battery change.
Note: The installation and adjustment of the subwoofer should only be
entrusted to qualified personnel. Please carefully read the operation
instructions and follow the given directions regarding connection and
adjustment of the subwoofer.
Warning! Before connecting external devices that do not belong to this
amplifier unit, please refer to the corresponding directions contained in the
operation instructions for this device.
Warning! Under no circumstances should you open the subwoofer or attempt
any repairs. If required contact your dealer to obtain technical assistance.
Unauthorized changes will result in the cancellation of warranty.
Warning! The subwoofer is designed for installation in a dedicated
subwoofer enclosure. If the subwoofer is installed in subwoofer enclosure,
e.g. a self-constructed enclosure,
a flat and tight contact surface must be ensured. The airtightness towards the
cabinet must be achieved with sealing tape / sealants which do not influence
the function of the subwoofer. The ambient temperature can be between 0° C and
60° C. The ambient temperature can be between 0° C and 60° C.
Before Installation
This section focuses on considerations regarding the intended installation of
your new subwoofer in a subwoofer enclosure.
If you wish to install the subwoofer in an ETON subwoofer enclosure that has
not been approved for this purpose, first check that the available space is
sufficient and that your amplifier meets the technical requirements for use
with the GRAPHIT subwoofer.
Please check the following points before installing the subwoofer:
- read the instructions carefully before installing the subwoofer.
- check where you can place the subwoofer in the case of a third-party product / do-it-yourself enclosure. You have to create a mounting opening with suitable means, the opening should be with sufficient installation depth and flat support surface.
Connection
Ventilated Box
Vented Enclosure GRAPHIT 8-2 | 8-4
| Net volume (Incl. chassis) | 18 – 25 l |
|---|---|
| Port diameter | 7 cm |
| Port length | 25 cm |
| F-3 | 38 / 33 Hz |
Vented Enclosure GRAPHIT 10-2 | 10-4
| Net volume (Incl. chassis) | 17 – 27 l |
|---|---|
| Port diameter | 8 cm |
| Port length | 40 |
| F-3 | 38 / 31 Hz |
Bandpass Enclosure GRAPHIT 8-2 | 8-4 (4th order)
| CB | 8 |
|---|---|
| VB | 16 |
| Port diameter | 10 cm |
| Port length | 25 cm |
| Fb | 67 |
| Bandwidth (-3dB) | 36-90 Hz |
Bandpass Enclosure GRAPHIT 10-2 | 10-4 (4th order)
| CB | 15 |
|---|---|
| VB | 30 |
| Port diameter | 10 cm |
| Port length | 25 cm |
| Fb | 50 |
| Bandwidth (-3dB) | 31-83 Hz |
Closed Box
Closed Enclosure GRAPHIT 8-2 | 8-4
| Net volume (Incl. chassis) | 8 – 12 l |
|---|---|
| QTC / F-3 min. Vol. 8 l | 0,725 / 53 Hz |
| QTC / F-3 max. Vol. 12 l | 0,649 / 52 Hz |
with damping material enclusure 50% filled
Closed Enclosure GRAPHIT 10-2 | 10-4
| Net volume | 15 – 20 l |
|---|---|
| QTC / F-3 min. Vol. 15 l | 0,79 / 47 Hz |
| QTC / F-3 max. Vol. 20 l | 0,675 / 44 Hz |
We recommend to brace the cabinet to ensurethe stability of the subwoofer box, a plate thickness of at least 18 mm.
Technical data
TSP
- Nominal impedance Zn (Ω)
- DC resistance Re
- Resonance frequency fs 1W / TSP (Hz)
- Total Q QTS
- Electrical Q QES
- Mechanical Q QMS
- Equivalent air volume of suspension VAS (dm 3)
- Force factor BL x l (Tm)
- Suspension compliance CMS (mm/N)
- Total moving mass MMS (g)
- Voice coil diameter
- Voice coil inductance Le (mH) @ 10 kHz
- Effective piston area SD (cm2)
- SPL (dB) *bei 1 W / 1m
- Xmax mech. (peak to peak)
- Rated power (W)
- Music power (W)
Dimensions
- Outer Diameter
- Cut Out Diameter
- Installation Depth
- Weight
- Number of Screwholes
- Bolt hole circle diameter
- Screw hole diameter
Technical data
| GRAPHIT 8-2 | GRAPHIT 8-2 | GRAPHIT 10-2 | GRAPHIT 10-4 |
|---|---|---|---|
| 2 x 2 Ω | 2 x 2 Ω | 2 x 2 Ω | 2 x 4 Ω |
| 4.1 Ω | 4.1 Ω | 3.9 Ω | 6.7 Ω |
| 31 | 31 | 23.2 | 25.4 |
| 0.43 | 0.43 | 0.39 | 0.41 |
| 0.46 | 0.46 | 0.41 | 0.44 |
| 5.4 | 5.4 | 6.52 | 6.53 |
| 15 | 15 | 45.78 | 41.4 |
| 12.9 | 12.9 | 15.22 | 19.43 |
| 0.27 | 0.27 | 0.28 | 0.25 |
| 96 | 96 | 167 | 154 |
| 50 | 50 | 65 | 65 |
| 2,4 | 2,4 | 2.97 | 4.37 |
| 196 | 196 | 340 | 340 |
| 82 | 82 | 83.5 | 84 |
| 36 | 36 | 40 | 40 |
| 2 x 200 W | 2 x 200 W | 2 x 300 W | 2 x 300 W |
| 2 x 400 W max. | 2 x 400 W max. | 2 x 500 W max. | 2 x 500 W max. |
| 216 mm | 216 mm | 265 mm | 265 mm |
| 186 mm | 186 mm | 235 mm | 235 mm |
| 98.6 mm | 98.6 mm | 124.5 mm | 124.5 mm |
| 4.2 kg | 4.2 kg | 7.6 kg | 7.6 kg |
| 8 | 8 | 8 | 8 |
| 200 mm | 200 mm | 252 mm | 252 mm |
| 5.50 mm | 5.50 mm | 5.50 mm | 5.50 mm |
ETON reserves the rigth to make modifications or improvements to the products
illustrated without notice thereof. All rights belong to the respective
owners.
Total or partial reproduction of this User‘s Guide is prohibited.
ETON Car-Audio GmbH
Dinkelweg 6
89233 Neu-Ulm
Germany
www.eton-caraudio.com