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A few notes, based on our experience:
1. It is best to set these levels on recessed volume controls, such as those on the SpeakerCraft BB series of amplifiers, as this
adjustment is a one time, “set and forget” procedure.
2. All pink noise should be identical, but it isn’t. The noise on SpeakerCraft’s SCT-1.0 Test CD is known to work well in setting
the levels.
3. Digital voltmeters can be problematic with pink noise. This is because pink noise “pumps” up and down a few dB and, even
with an averaging meter, it can be hard to set the level to a medium of 0.5. For instance, we get readings of 0.45 to 0.55
when the level is set correctly. Also, many AC DMM’s do not have a low voltage range.
4. Radio Shack has a low cost ($24.95) voltmeter that has a 10 volt AC range, and works very well in this application.
SUBWOOFER ADJUSTMENTS
All Starlets are designed for high end systems where subwoofers are required. Unlike the
midrange and tweeter settings, each room is so different in bass response that it is best to
set the controls by ear. Here is our recommended starting point, based on the controls for
SpeakerCraft’s BassX-10 and BassX-12 subwoofers:
Start with the volume control at about 9 o’clock, the boost at about 10 o’clock, the
frequency control at 10 o’clock and the phase control at 0˚. (See Diagram 21) Slowly
advance the volume until you hear a good balance. Here it helps to take the time to lis-
ten to several tracks in several locations in a room. If it is not possible to get bass without
excess “boominess”, rotate the boost back counterclockwise. If there are areas of the room
where the bass seems to totally drop out, experiment by moving the phase to 180˚.
Starlet Owner’s Manual Page 11
In our attempt to constantly improve our products, features and specifications are subject to change without notice.
SPECIFICATIONS
Starlet 4 Starlet 6 Starlet 9
Configuration: 4 Woofer / 4 Tweeter 6 Woofer / 6 Tweeter 9 Woofer / 9 Tweeter
Line Source System Line Source System Line Source System
Woofers: 6
1
⁄2" Kevlar Cone Woofers 6
1
⁄2" Kevlar Cone Woofers 6
1
⁄2" Kevlar Cone Woofers
with Front Mounted with Front Mounted with Front Mounted
Neodymium Magnets Neodymium Magnets Neodymium Magnets
Tweeters: 4
1
⁄2" x
3
⁄4" Ribbon Tweeters 4
1
⁄2" x
3
⁄4" Ribbon Tweeters 4
1
⁄2" x
3
⁄4" Ribbon Tweeters
Coaxially Mounted Coaxially Mounted Coaxially Mounted
Enclosure: Sealed Back Box with an Sealed Back Box with an Sealed Back Box with an
Extruded Wave Guide Extruded Wave Guide Extruded Wave Guide
Impedance: 6Ω Nominal 6Ω Nominal 6Ω Nominal
Sensitivity: 90dB 1W/1m 91dB 1W/1m 92dB 1W/1m
Frequency Response: 90Hz - 21kHz ± 2dB 90Hz - 21kHz ± 2dB 90Hz - 21kHz ± 2dB
Min. Power Requirements: 2 x 75 watts per speaker 2 x 75 watts per speaker 2 x 75 watts per speaker
Grille Frame Dimensions: H 36
3
⁄4" x W 9
1
⁄4" x D 3
1
⁄4" H 52
1
⁄4" x W 9
1
⁄4" x D 3
1
⁄4" H 76
3
⁄16" x W 9
1
⁄4" x D 3
1
⁄4"
Cut-Out Dimensions: H 34
1
⁄4" x W 8" H 49
1
⁄2" x W 8" H 73" x W 8"
Weight: 33 lbs 46 lbs 66 lbs
Diagram 21:
Subwoofer Adjustments