MJM622 - Subwoofer Memphis Audio - Free user manual and instructions

Product Type	Subwoofer
Brand	Memphis Audio
Model	MJM622
Woofer Size	6.5 inches
RMS Power	700 Watts
Peak Power	1400 Watts
Sensitivity	80.63 dB
Impedance (Series)	4 ohms
Impedance (Parallel)	1 ohm
Voice Coil Diameter	1.5 inches
Magnet Weight	80 oz
Magnet Diameter	5.28 inches
Mounting Depth	5.00 inches
Cutout Diameter	5.95 inches
Frame Outside Diameter	7.05 inches
Recommended Sealed Enclosure (Single)	0.5 cubic feet
Recommended Vented Enclosure (Single)	0.85 cubic feet
Port Dimensions (Single Vented)	3" diameter x 12.5" length
Tuning Frequency (Single Vented)	40 Hz

Frequently Asked Questions - MJM622 Memphis Audio

What is the RMS power handling of the MJM622?

The RMS power handling is 700 Watts.

What are the recommended enclosure sizes for a single sub?

For a sealed enclosure, use 0.5 cubic feet. For a vented enclosure, use 0.85 cubic feet with a port of 3" diameter x 12.5" length tuned to 40 Hz.

What is the impedance of the MJM622?

The series impedance is 4 ohms and the parallel impedance is 1 ohm.

What is the mounting depth of the subwoofer?

The mounting depth is 5.00 inches.

What is the sensitivity rating?

The sensitivity is 80.63 dB.

What is the voice coil diameter?

The voice coil diameter is 1.5 inches.

What is the warranty period?

Memphis Audio provides a 1-year warranty against defects in material or workmanship from the date of purchase.

Can I use this subwoofer in a sealed box?

Yes, the recommended sealed enclosure volume is 0.5 cubic feet for a single sub.

What is the cutout diameter needed for installation?

The required cutout diameter is 5.95 inches.

What should I do if the subwoofer is not working?

First, check the amplifier and wiring. If the issue persists, contact Memphis Audio for warranty service. You will need a Return Authorization number and a copy of your receipt.

USER MANUAL MJM622 Memphis Audio

Close-up of a black speaker tower with visible mesh insulation and mechanical components (no text or symbols)

MOJO

www.memphiscaraudio.com

MOJO MINI

2019 MOJO MINI

	UNITS	MJM622	MJM644	MJM822	MJM944
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 (BI)	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
ENCLOSURE RECOMMENDATIONS
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

MEMPHIS

STREET REFERENCE

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 from 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.,

MEMPHIS

THIS CARD MUST ACCOMPANY YOUR SHIPMENT SHOULD SERVICE BE REQUIRED

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Please call 800-489-2300 to obtain the required Return Authorization number. Include this number in your package along with a copy of your receipt and send to:

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Attn: [Insert your Return Authorization Number heere]

300 Regency Drive

Glendale Heights, IL 60139