SB Acoustics Ara Kit User manual

SB
Ara Kit
User Manual

1 Manual | Ara Kit
Technical speci!cation :
Frequency range : 45-25000 Hz +/-3 dB
Sensitivity (2.83V / 1m) :87 dB
Nominal impedance : 4©
Max SPL : 105 dB
Recommended ampli!er : 40-150 W
Cross-over frequency :3 kHz
Speaker type : 2-way
Enclosure type :Bass re"ex
Port tuning frequency :36.5 Hz
Drive Units:
- High frequency driver : SATORI TW29R (29 mm soft ring dome)
Low frequency drivers :6½” SATORI MW16P-4 (advanced midwoofer)-
Cabinet:
15mm MDF
Dimensions (H x W x D): 391 x 190 x 388 mm / 15.4 x 7.48 x 15.27 inch
Net weight (pair):
abinet only : 8.06 kg / 17.77 lb- C
Full assembly : 9.6 kg 21.16 lb- /
Special Features:
- Advanced high-end drivers.
- Facets on top of cabinet for reduced high frequency diffraction.
- Inclined baf"e for correct time alignment of drivers
(allowing for simpler cross-over design)
- Wedge shaped inner rear walls behind midwoofer for reduced direct re"ection
- Internal bracing to reduce and distribute cabinet vibrations and hence lower
sound coloration
- Solid single-wiring binding posts

Manual | Ara Kit 2
Frequency response
Response Curve :
(Blue) : on axis ( Red ) : 15° off-axis ( Red ) : 30° off-axis
------ ------ ------
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
10 20 50 100 200 500 1k 2k 5k 10k 20kHz

3 Manual | Ara Kit
Mechanical drawing (size in mm)

Manual | Ara Kit 4

5 Manual | Ara Kit
A
1
2
EXPLODED VIEW
4
4
7
7
12
12
13
14
15
16
3 6
ISOMETRIC VIEW
DETAIL A
SCALE 2 : 5
8
9
10
5
11
7
NO. PART NUMBER
QTY.
1
SATORI TW29R (Sold separately)
1
2
6½" SATORI MW16P-4 (Sold separately)
1
3
Ara Kit Crossover (Sold separately)
1
4
Hex Socket Screw 4x20mm (For driver)
12
5
Countersunk Screw 4X20mm (For terminal plate)
4
6
Wood Screw 4x16mm (From kit crossover)
6
7
Insert Nut M4 (Installed)
16
8
Stainless Steel Terminal Panel
1
9
Binding Post (-) (Black)
1
10
Binding Post (+) (Red)
1
11
Seal Gasket (For terminal plate)
1
12
Port !are d:50mm (Installed on cabinet)
2
13
Paper tube d:50mm L:160mm (Installed on cabinet)
1
14
Name Plate
1
15
Grille for tweeter
1
16
Grille for woofer
1
17
Damping Material (See cut pattern)
1

Manual | Ara Kit 6
Damping Material Cut Pattern (Size in mm)

7 Manual | Micro Kit
Damping material position (size in mm)

Manual | Micro Kit 8
Crossover Schematic
C3
4.7uF/400V
L1
0.2mH/0.7mm
Red
L4
0.6mH/1.4mm
R1 1.5ohm/10W
TW TW29R(B) WF MW16P-4
Black
Black Yellow
Black
+ + - -
C1
5.6uF/400V
! Reversed polarity
R2
2.7ohm/10W
C2
62uF/100V
L2
1.1mH/0.5mm
L3 1.2mH/1.4mm
R5 6.8ohm/10W
Red
R4
3.3ohm/10W
1 2
IN R3
2.7ohm/10W
+
-

9 Manual | Ara Kit
Assembling instruction
:Part list (each cabinet)
-High frequency driver Satori TW29R (sold separately).......................
- Low frequency drivers 6½" Satori MW16P-4 (sold separately) ..........
- Ara kit crossover (sold separately) ......................................................
- Hex socket screw M4 x 20mm (for drivers) ........................................
- Countersunk screw M4 x 20mm (for terminal plate) ...........................
- Wood screw 4 x 16 mm for crossover (from kit crossover) .................
- Insert nut M4 (installed on cabinet) .....................................................
- Stainless Terminal plate ......................................................................
- Binding post ........................................................................................
- Seal gasket (for terminal plate) ...........................................................
- Port !are (installed on cabinet) ...........................................................
- Port paper tube (installed on cabinet) .................................................
- Damping .............................................................................................
- Name plate .........................................................................................
- Tweeter grill ........................................................................................
- Woofer grill .......................................................................................
Tools needed:
- Hex key 3mm size (for driver screw)
- Hex key 2.5mm size (for terminal plate screw)
- Philips screwdriver no. 2 (for crossover screw)
- Soldering iron + tin (for soldering input wire to terminal)
- Hot melt glue gun (for attaching the damping and sealing the wire hole)
1 pc
1 pc
1 pc
12 pcs
4 pcs
6 pcs
16 pcs
1 pc
1 pair
1 pc
1 pc
1 pc
1 pc
1 pc
1 pc
1 pc

Manual | Ara Kit 10
1. Take out the cabinet from
the packaging and take out the raw
damping material from the cabinet
2. Cut the raw damping material to
7 pcs of damping according to
the cutting pattern diagram
3. Put the crossover on top of
the bottom panel, place the two big
inductor side towards the rear
terminal side

11 Manual | Ara Kit
4. Fasten the crossover by
tightening all 6 screws
5. Pass the input wire through
hole in the rear panel of the cabinet
6. Seal the cable hole with hot melt
glue

Manual | Ara Kit 12
7. Pull the tweeter cable through
the hole in cabinet bracing
8. Place each damping part into
the cabinet according to position
diagram. Add a bit of glue if needed
to hold the damping in place
9. Pull out the input cable through
the terminal hole then solder it
to the binding post terminal

13 Manual | Ara Kit
10. Mount the terminal panel into
the terminal hole at the back side
11. Hook up the cable to the tweeter
and woofer terminal

Manual | Ara Kit 14
1 2 . M o u n t t h e d r i v e r t o
the cabinet and fasten the screws