MC RL21 User manual

Dedication to Performance
SPEAKER
Made in Germany
Owner‘s Manual

Important Information!
Attention: Keep the speaker away from high humidity, vibration, excessive dust and direct sunlight.
Excessive heat or cold will affect the speaker´s functionality. The permitted operating temperature
is 10°C up to 50°C. Avoid extreme variations in temperature. Do not operate the unit near other
electric appliances (for instance neon light and motors). The speaker should not be opened with-
out the assistance of a qualified technician.
KETI, CE-Marking
This product is in conformity with the EMC directive and low-voltage directive. Your MC component
complies with the household power and safety requirements in your area.
Warranty
MC affords a full warranty. Please pay attention to the details given in the warranty card which ac-
companies the unit. Warranty is only issued, if you send back the warranty card.

1
A. RL21 Bookshelf Speaker
1. RL21 Diagram
RL21 Speaker
Option, not included
Tweeter
Woofer
Connectors
Back
Speaker Stand

2
2. Connection
3. Specifications
Model RL21
Type Bookshelf
System 2-way
Frequency Range 45 - 29 kHz
Impedance 4 Ohm
SPL 84 dB / 1 W / 1 m @ 2V, 4 pi
Crossover Frequencies 2.1 kHz
Power Handling 60 W / 100 W
Low / Mid 170 mm 6.5 inch Kevlar
Tweeter 28 mm 1.1 inch soft dome
Dimensions (W x D x H) 220 x 364 x 381 mm / 8.7 x 14.3 x 15 inch
Weight 15 kg / 33 lbs
Design and specifications are subject to change without notice.
RL21 Speaker
R
SPEAKER INPUT L
INPUT SPEAKER
-
+
+
right speaker left speaker
stereo power amplifier
+
-
- -
+

3
B. mc 331 Floorstanding Speaker
1. mc 331 Diagram
Tweeter
Mid-range driver
Woofer
Woofer
MC 331 Speaker

4
2. Connection
Mono-wiring by using a Stereo or Mono amplifier
For mono-amping use copper jumpers to connect woofer and high/midrange
section. (Copper jumpers are not included in the delivery.)
Bi-wiring by using 2 Stereo or Mono amplifiers with Bi-wiring terminals
R
SPEAKER INPUT L
INPUT SPEAKER
-
-
+
+
-
-
+
+Woofer
High/Midrange
stereo power amplifier
stereo power amplifier
left speaker
stereo power amplifier
right speaker
right speaker left speaker
left speakerright speaker
speaker terminals
MC 331 Speaker
+
-
+
-
-
-
+
+
-
-
+
+
R
SPEAKER INPUT L
INPUT SPEAKER
High/Mid - Woofer - Woofer +
-
-
+
+
High/Mid +
R
SPEAKER INPUT L
INPUT SPEAKER
High/Mid - Woofer - Woofer +
-
-
+
+
High/Mid +

5
3. Specifications
Model mc 331
Type Floorstanding Speaker
System 3-way
Frequency Range 32 - 35 kHz
Impedance 4 Ohm
SPL 85 dB / 1W / 1m @ 2V, 4 pi
Crossover Frequency 250 / 2.1 kHz
Power Handling 100 W / 160 W
Woofer 2 x 200 mm 8 inch Aluminium
Low / Mid 170 mm 6.5 inch Kevlar
Tweeter 28 mm, 1.1 inch silk dome
Dimensions (W x D x H) 320 x 445 x 1180 mm / 12.6 x 17.5 x 46.5 inch
Weight 66 kg / 143 lbs
Design and specifications are subject to change without notice.
C. General
1. Positioning
MC speakers will provide the great sound quality in listening room. In order to get the maximum accuracy and
sound quality, it should be followed the suggested speaker position as below.
You can place the speakers on a side board, in a bookshelf or for best sound, on the floor by using the MC
speaker stands.
The distance between right and left speaker should be no shorter than 2 meters (79 inch).
Speakers and listening position should form an equilateral triangle.
The optimum listening distance (ear to floor) is 104 cm (41 inch).
MC 331 Speaker
listener‘s position
speaker speaker
2 meter (minimum)

©2011 MC - music culture technology GmbH. All rights reserved.
Manuals are subject of copyright. It is not allowed to copy the information of this manual without written permission of MC.
Every effort has been made to ensure that the information in this manual is accurate. MC is not responsible for printing or clerical errors.
MC - music culture technology GmbH
Reuchlinstr. 10 - 11
D-10553 Berlin / Germany
www.music-culture.com