Speaker User's Manual

Nobelium12 (VC:s in parallel to 2 ohm)
Vb1 Vb2 Port Vb2
24,46 32,12 2 x10,2 x 27 cm
0,86 ft
3
1,13 ft
3
2 x 4" x 10,6" (US)
F3 Vb1: 45 Hz, Vb2: 94 Hz
Nobelium12 (Single VC, 4 ohm)
Vb1 Vb2 Port Vb2
23,95 22,37 1 x10,2 x 29 cm
0,84 ft
3
0,79 ft
3
1 x 4" x 11,4" (US)
F3 Vb1: 38,5 Hz, Vb2: 79 Hz
RECOMMENDED ENCLOSURES FOR Nobelium10, 12 and 15
VENTED BOX
Sub Connection Volume (litre/ft3) Port Damping F3 Fb
10” VC in parallel 31,65 / 1,1 3” x 18 cm/7,1” Line inside 39,3 Hz 39,0 Hz
12” Single VC 34,4 / 1,21 3” x 25,7 cm / 10” Line insida 33,7 Hz 33,0 Hz
12” VC in series 35,87 / 1,26 4” x 29 cm/ 11,4” Line inside 46,4 Hz 45,0 Hz
12” VC in parallel 46,10 / 1,1 4” x 32 cm / 12,6” Line inside 37,3 Hz 36,9 Hz
15” VC in parallel 56,5 / 1,99 2x4” x 40 cm / 15,7” Line inside 50,2 Hz 45,0 Hz
Nobelium10, single VC:
28 litres / 0,99 ft
3
F3: 52,7 Hz
Nobelium10, dual VC in parallel:
17,4 litres / 0,61 ft
3
F3: 73,4 Hz
Nobelium 12, single VC:
23,2 litres / 0,82 ft
3
F3: 51,9 Hz
Nobelium 12, dual VC in parallel:
43,72 litres / 1,54 ft
3
F3: 52,4 Hz
SEALED BANDPASS
Vb1=rear chamber,
Vb2=front chamber
SEALED BOX
RUNNING-IN PERIOD
Allow the speaker to play for at least 15-
20 hours. After this time the
performance is correct.
F3 = approximative lower frequency for vented
boxes in Hz. Often called F-3 dB point = the point
where the power is 50% lower.
Fb = Box resonant frequency
The speaker is installed in Vb1
playing into chamber Vb2 where the
port(s) are installed.
SEALED ENCLOSURES
VENTED ENCLOSURES
Nobelium10 (VC:s in parallel to 2 ohm)
Vb1 Vb2 Port Vb2
20,1 17 2 x6,8 x 27,6 cm
0,71 ft
3
0,60 ft
3
2 x 3" x 10,8" (US)
F3 Vb1: 44,8 Hz, Vb2: 86,6 Hz
Nobelium 15, single VC:
45 litres / 1,59 ft
3
F3: 51,5 Hz
Nobelium 15, dual VC in parallel:
40 litres / 1,41 ft
3
F3: 64,5 Hz