SB Acoustics Micro-C User manual

SB
Micro-C / Micro |
User Manual

1 Micro-C / Micro | User Manual
Technical Specications:
Cabinet:
Technical specication :
Micro-C Micro
Frequency range
Sensitivity (2.83V / 1m)
Nominal impedance
Max SPL
Recommended amplier
Cross-over frequency
Speaker type
Enclosure type
Port tuning frequency
68 - 28000 Hz+/-3 dB
84.5 dB
4Ω
100 dB
25 - 100 W
4000 Hz
2-way Bookshelf
Bass reex
49 Hz
SB19ST-C000-4
4in SB12CACS25-4
70-28000 Hz +/-3 dB
84.5 dB
4Ω
100 dB
25 - 100 W
4000 Hz
2-way Bookshelf
Bass reex
49 Hz
SB19ST-C000-4
4” SB12PAC25-4
Dimensions (H x W x D)
15mm MDF
262 x 132 x 170 mm
10.3 x 5.2 x 6.7 inch
15mm MDF
260 x 130 x 170 mm
10.2 x 5.1 x 6.7 inch
Cabinet only
F ull assembly
4.2 kg / 9.26 lb
7.4 kg / 16.32 lb
4.3 kg / 9.48 lb
7.8 kg / 17.2 lb
Drive Units:
High frequency driver
Low frequency drivers
Net Weight (pair):
Special Features:
- High performance compact design.
- Optimized drivers.
- Simple high quality cross-over network.
- Front ring integrated port.
- Versatile placement.
- Solid single wiring binding posts.

Micro-C / Micro | User Manual 2
Frequency Response (Micro)
Frequency Response (Micro-C)
100
95
90
85
80
75
70
65
60
55
50
45
40
80
73
67
60
53
47
40
33
27
20
13
7
0
dB
Ohm
20 50 100 200 500 1k 2k 5k 10k 20kHz
100
95
90
85
80
75
70
65
60
55
50
45
40
40.0
36.7
33.3
30.0
26.7
23.3
20.0
16.7
13.3
10.0
6.7
3.3
0.0
dB
Ohm
20 50 100 200 500 1k 2k 5k 10k 20kHz
Response Curve :
(Blue) : on axis ( Green ) : 15° off-axis ( Red ) : 30° off-axis------
------ ------
Measured on-axis, 15° and 30° off-axis at 1 m in an ordinary room. Lower frequency dips and peaks are caused by room modes/reflections.

3 Micro-C / Micro | User Manual
Mechanical Drawing (dimensions in mm) / Micro-C

Micro-C / Micro | User Manual 4
Mechanical Drawing (dimensions in mm) / Micro

5 Micro-C / Micro | User Manual
ISOMETRIC VIEW (MICRO)
ISOMETRIC VIEW (MICRO-C)
4in SB12PAC25-4 Or 4in SB12CACS25-4
(Sold separately)

Micro-C / Micro | User Manual 6
Damping Material Cutting Pattern (dimensions in mm)

7 Micro-C / Micro | User Manual
Damping Material Position (dimensions in mm)

Micro-C / Micro | User Manual 8
Crossover Schematic
4” SB12PAC25-4 or
4” SB12CACS25-4
4.3uF/400V (CAC)
10uF/400V (PAC)
8.2uF/400V (CAC)
3.3uF/400V (PAC)

9 Micro-C / Micro | User Manual
Part List (each cabinet):
- High frequency driver SB19ST-C000-4 (sold separately) ......................................
- Low frequency drivers 4” SB12PAC25-4 or 4” SB12CACS25-4 (sold separately) ..
- Micro crossover kit (sold separately) ....................................................................
- Wood Screw 3.5 x 20 mm for tweeter ...............................................................
- Wood Screw 4 x 20 mm for woofer ....................................................................
- Wood Screw 4 x 16 mm for crossover (from crossover kit) ..................................
- Binding post terminal .........................................................................................
- Damping
.............................................................................................................
- Name plate .........................................................................................................
Tools Needed:
- No. 2 Philips screwdriver (for drivers and crossover screw).
- 11 mm hex socket (for tightening binding post nut).
- Multipurpose glue.
(for attaching the damping and sealing the terminal hole).
1 pc
1 pc
1 pc
4 pcs
4 pcs
4 pcs
1 pair
1 pc
1 pc

Micro-C / Micro | User Manual 10
Assembly Instructions:
1. Take out the cabinet from
the packaging and take out
the raw damping material
from the cabinet.
2. Unscrew the binding post nut
then attach both binding post
terminals on the rear of the
cabinet.
3. Fastern each terminal from
the inside of the cabinet using
the terminal nuts.

11 Micro-C / Micro | User Manual
4. Tighten the nut using 11 mm
hex socket head. Put some glue
around the nut to seal the cabinet.
5. Place the crossover on the rear
panel inside the cabinet.
6. Secure the crossover to the cabinet
with the four screws. One screw in
each corner.

Micro-C / Micro | User Manual 12
7. Connect both crossover
input cables to the binding
post terminals.
8. Cut the raw damping
material according to
the cutting diagram.
9. Place each part of the
damping material the cabinet
according to damping position
diagram. Add a bit of glue if
needed to hold the damping
material in place.

13 Micro-C / Micro | User Manual
10. Attach the tweeter cables from
the crossover to the tweeter
terminals, then place the tweeter
into the tweeter cutout on the
cabinet, align the screw holes to
the cabinet screw holes.
11. Attach the woofer cables from
the crossover to the woofer terminals,
then place the woofer into the woofer
cutout on the cabinet, align the
chassis screw holes to the cabinet
screw holes.
12. Fasten the tweeter and woofer
screws to the cabinet.
13. Repeat the steps for the second
speaker and you have nished
the assembly process.
Happy listening!.

Rev.0: (07.06.21)