Diamond Audio Technology M3 M361, M371I, M351I, M341, M3 M351 User Manual
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M3 SERIES
OWNER'S MANUAL
INTEGRATED SYSTEMS
M331i - M341i
M351i - M361i
M371I - M391i
COMPONENT SYSTEMS
M341
M351
M361
Dear Valued Customer,
Thank you for choosing Diamond M3 speakers. These speakers represent
the latest advances in acoustic technology, and like all Diamond products
are hand built and tested in our own factory, using the highest grade
components and state of the art techniques. When installed properly they
will provide many years of accurate sound reproduction.
Please keep in mind that prolonged exposure to sound pressure levels in
excess of 100dB can cause permanent hearing loss. This high performance
speaker system can exceed that level, so please exercise restraint in it's
operation in order to preserve your ability to enjoy it's fidelity in the future.
Because of their flexible installation possibilities, please consider having
your new speakers professionally installed by an authorized Diamond Audio
Dealer. This will assure a clean and efficient installation, and extend your
one year warranty to three years.
At Diamond, we strive to bring honest value and excellent quality to all of
the speakers we build. By your purchase of this product you have joined the
growing family of discerning listeners who demand only the best. Welcome!!
Sincerely,
Rikki Farr
Chairman, CEO
Diamond Audio Technology, Inc.
To learn more about the Diamond family, please visit our web site,
www.diamondaudio.com
FEATURES
- TEXTURED, CO-POLYMER CONES - micro texture improves high frequency response.
- PROPRIETARY FRAMES - heavy gauge steel for increased stiffness, low resonance.
- BUTYL RUBBER SURROUNDS - impervious to environmental degradation.
- ALUMINUM DOME TWEETERS - smooth audiophile response.
- DIAMOND AUDIO QUALITY - 3 year warranty with authorized dealer installation.
- BI-AMP CAPABLE CROSSOVERS - individually voiced, model specific crossover
topology - configurable for active crossovers.
THIELE SMALL PARAMETERS
Parameter (unit)
Sensitivity (2.83V@1m) (dB)
Qts
Fs (Hz)
Vas (L)
Rdc (ohm)
Xmax (mm/N)
Impedance (ohm)
Power (nom/max) (Watt)
M391i
91.5
0.65
47
31.7
3.2
4.0
4
60/120
M371i
91.0
0.54
47
23.5
3.0
4.0
4
50/100
M361i/M361
91.0
0.46
54
12.9
3.2
4.0
50/100
M351i/M351
4
90.5
0.51
63
8.3
3.5
3.5
4
40/80
M341i
89.5
0.60
80
3.7
3.2
2.5
4
20/40
M331i
88.0
0.66
102
1.4
3.4
2.0
4
15/30
M3 INTEGRATED SYSTEMS
STANDARD CONNECTION
The M3 integrated systems are shipped configured for a single channel per speaker. To
connect a standard single channel input simply connect the + and - wires to the two
exposed terminals.
BI-AMPING
An exclusive and unique feature of the M3 integrated systems is the option to use
separate amplifier channels to power the tweeter and mid-bass driver individually (biamping). This configuration allows an external active crossover to be used, enabling
electronic crossover filter customizations, level matching and phase adjustments.
BI-AMP CONNECTION
To power the tweeter
separately from the mid-bass
driver, remove the two leads from the
tweeter terminals and connect the
tweeter amp channel + and - wires
directly to these terminals. To protect the
tweeter in all cases, a passive filter network
consisting of a PTC and a 12dB/oct filter is
always in-line with the tweeter. Bypassing
this filter for special installations is possible,
however it is not recommended and will void
warranty. Please consult your dealer before
attempting this.
To Bi-amp, simply remove these two
connectors and connect tweeter amplifier.
INTEGRATED SYSTEMS - PARTS LIST
(M331i, M341i, M351i, M361i, M371i, M391i)
Each system contains:
(2) M3 Speakers
(2) M3 Grilles with Mount Ring*
(2) Mounting Gaskets
(1) Mounting hardware kit
(2) 4x6 adaptors (M341i only)
ASSEMBLY
The drawing below shows the parts included and correct assembly of M3 integrated and
M3 component midrange drivers. See opposite for separate tweeter installation and
component system connection details.
*Grilles not included with M331i or M371i
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