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Magneplanar 1.7i Instruction Manual
Quick Step-Up Instructions
Remove the steel magnetic strip from the front of the speakers. If the fabric
sticks to the diaphragm, use a high tack tape to gently pull the fabric loose
from the diaphragm.
The 1.7i has exceptional phase characteristics that are accomplished without
the use of compensation networks. To realize the optimum phasing, the 1.7i
should be angled inward as shown in the diagrams in the manual. (Do not
place parallel to the front wall.) For a larger "sweet spot" and multiple listeners,
place tweeters on the outside. Single listeners may choose to place the tweeters
on the inside. If you do, cant the speakers inward sufficiently so that the
tweeter is not ahead of the bass/midrange in time as shown in the diagrams
below .
Tweeter attenuation may be necessary for rooms with hard, reflective walls. See
Section 14 below.
Revision—3-19–2015
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Summary of Contents for MAGNEPLANAR 1.7i
- Page 1 The 1.7i has exceptional phase characteristics that are accomplished without the use of compensation networks. To realize the optimum phasing, the 1.7i should be angled inward as shown in the diagrams in the manual. (Do not place parallel to the front wall.) For a larger "sweet spot" and multiple listeners, place tweeters on the outside.
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Page 2: Table Of Contents
Table of Contents Introduction General Description Carton Contents Packaging Assembly Hookup Caution Speaker Placement Bass Response Left/Right Stereo Width and Imaging Phasing Room Acoustics Optional Tweeter Attenuation Maintenance Specifications Revision—3-19–2015 Page of... -
Page 3: Introduction
Magneplanar 1.7i loudspeaker will give many years of trouble-free service. General Description The 1.7i is a 3-way, full-range, quasi-ribbon design with a quasi-ribbon bass/ midrange, tweeter, and super-tweeter. Carton Contents 1 pair 1.7i loudspeakers... -
Page 4: Assembly
Assembly Before you begin -- Spacers are provided to adjust the vertical angle of the speakers for a combination of sitting and standing listening positons. Install the spacers on the bottom mounting bolt to tilt the speaker backwards. The amount of angle will be dependent on your particular listening conditions. Under most conditions, stacking 2 spacers will be adequate;... -
Page 5: Hookup
(observing polarity), and tighten the set screws with the Allen wrench provided. Banana plug connectors can be used and locked in place with the set screws. Spade lug adapters are available from your Magneplanar dealer for spade connectors that are incompatible with the Magneplanar high current connector. -
Page 6: 10 Left/Right
Maggie Bass Panel can get the bass/midbass "just right". 10 Left/Right The 1.7i's are matched pairs and mirror-imaged. The serial number for each speaker in the pair is the same, except for a "1" or "2" following each serial number. As you face the front of the speakers, the speaker with the serial number ending with the "1"... - Page 7 Fig. 1 Fig. 2 Revision—3-19–2015 Page of...
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Page 8: 12 Phasing
12 Phasing The Magneplanar 1.7i has superior phase characteristics. We suggest you resist the tendency to place the speakers so they are parallel to the front wall. For optimum phasing, the speakers should angled as shown in Figures 1 or 2. ... -
Page 9: 14 Optional Tweeter Attenuation
A. Pop or rock recordings often exhibit a pronounced rise in the treble region. The Magneplanar Quasi Ribbon Tweeter is very efficient in its total energy dispersion. If the surrounding walls are exceptionally reflective, the overall perceived acoustical balance will be tipped towards a "hot" high end.
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