MEMPHIS MJM812 MOJO Mini Series Component Subwoofer User Manual
- June 13, 2024
- MEMPHIS
Table of Contents
MJM812 MOJO Mini Series Component Subwoofer
User Manual
MJM812 MOJO Mini Series Component Subwoofer
2019 MOJO MINI
2019 MOJO MINI
| U N I TS| MJM622| MJM644| MJM822|
MJM844
THIELE SMALL PARAMETERS| | | | |
Resonant Frequency (fs)| Hz| 48.7| 51.3| 44.2| 38.4
Mechanical Q (Qms)| | 6.06| 6.13| 5.9| 5.61
Electrical Q (Qes)| | 0.585| 0.616| 0.6| 0.462
Total Q (Qts)| | 0.534| 0.56| 0.542| 0.427
Sensitivity| dB| 80.63| 80.8| 80.86| 81.22
Xmax Linear| in.| 0.31| 0.31| 0.49| 0.49
Displacement| cf.| 0.02| 0.02| 0.03| 0.03
Air volume of suspension (Vas)| cf.| 0.13| 0.12| 0.239| 0.184
Moving Mass (Mms)| g| 79.37| 76.4| 159.9| 155.1
Suspension Compliance (Cms)| mmN| 0.135| 0.126| 0.108| 0.083
Effective piston area (Sd)| SqCm| 138.93| 138.93| 211.24| 211.24
Motor Strength (Bl)| TM| 6.5| 8.12| 11.16| 9.14
VOICE COIL AND MAGNET| | | | |
Impedance Series| ohms| 4| 8| 4| 8
Impedance parallel| ohms| 1| 2| 1| 2
Voice coil diameter| in.| 1.5| 1.5| 2| 2
RMS Power| Watts| 700| 700| 900| 900
Peak Power| Watts| 1400| 1400| 1800| 1800
Magnet weight| oz| 80| 80| 105| 105
Magnet diameter| in.| 5.28| 5.28| 6.14| 6.14
PHYSICAL DIMENSIONS| | | | |
Mounting depth| in.| 5.00| 5.00| 5.75| 5.75
Cutout Diameter| in.| 5.95| 5.95| 7.32| 7.32
Frame Outside Diameter| in.| 7.05| 7.05| 8.66| 8.66
E N C L OS U R E R E C O
M M E N D A T I O N S| | | | |
Single sub sealed| cf.| 0.5| 0.5| 0.6| 0.6
Dual subs Sealed| cf.| 1| 1| 1.2| 1.2
Single sub vented| cf.| 0.85| 0.85| 1| 1
Port dimensions| | 3″ diameter x 12.5″| 3″ diameter x 12.5″| 3.5″
diameter x 16″| 3.5″ diameter x 16″
Tuning frequency| hz| 40| 40| 39| 39
Dual sub vented| cf.| 1.6| 1.6| 2| 2
Port dimensions| | 4″ diameter x 11″| 4″ diameter x 11″| 4″ diameter x
9″| 4″ diameter x 9″
Tuning frequency| cf.| 40| 40| 38| 38
LIMITED WARRANTY
Memphis Audio warranties this product for defects in material or workmanship
for 1 year from the date of purchase. This warranty is void if the product has
been physically damaged by improper use or abuse, or if repairs have been
attempted outside of a Memphis Audio repair facility.
This warranty is limited to the original retail purchaser and does not cover
any expense incurred in the removal or re-installation of the product. This
warranty does not apply to product exterior and cosmetics. Memphis Audio
disclaims any liability for incidental or consequential damages caused by
product defects. Memphis Audio’s liability will not exceed the purchase price
of the product and the warranty period specified.
What is NOT Covered under this warranty
- Damage due to improper installation
- Damage Caused by exposure to moisture, excessive heat, chemical cleaners and/or UV radiation
- Damage through negligence, misuse, accident or abuse. Repeated returns for the same damage may be considered abuse.
- Product damaged in an accident and/or due to criminal activity
- Service performed by anyone other than Memphis Audio
- Subsequent damage to other components
- Any cost or expense related to the removal or re-installation of product
- Speakers damaged due to amplifier clipping or distortion
- Products with tampered, missing, altered or defaced serial number labels
- Freight damage
- The cost of shipping product to Memphis Audio
- Return shipping on non-defective items
- Any product not purchased from an Authorized Memphis dealer
- Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you.
This warranty gives you specific rights and you may have other rights which
vary form state to state. If warranty service is require, a return
authorization number is required to return the product to Memphis Audio/AFCO,
Inc. Warranty shipments to Memphis Audio are the responsibility of the
purchaser. Pack the product carefully in the original carton if possible.
Memphis Audio will NOT be responsible for damages incurred in shipment or due
to improper packaging materials used by the purchaser.
If determined to be in warranty, product will be repaired or replaced at the
discretion of Memphis Audio.,
THIS CARD MUST ACCOMPANY YOUR SHIPMENT SHOULD SERVICE BE REQUIRED
MODEL#………………. SERIAL#……..
STREET ADDRESS……………..
DEALER NAME………….
PURCHASER NAME…………..
CITY………… STATE………… ZIP……………
DATE PURCHASED……………….
DESCRIBE PROBLEM IN DETAIL………….
EMAIL…………………
PHONE……………..
Visit
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Please call 8011-489·2300 to obtain the required Return Authorization number
and shipping address.
Include this number in your package along with a copy of your purchase receipt
.