dV-DOSC dV-SUB Manual V3.0 June 2005 31
1.2 dV-DOSC SPECIFICATIONS
Figure 15: dV-DOSC Enclosure - Front and Rear Views
dV-DOSC contains two 8" loudspeakers (connected in parallel) and a 1.4" exit compression driver
mounted on a custom DOSC waveguide. The 8'' loudspeakers are individually rated at 16 ohms and
connected in parallel to provide a nominal impedance of 8 ohms. The nominal operating bandwidth
for the 8'' section is 100 Hz to 800 Hz. A surface coating is applied to the composite cellulose fibre
cone body and all metal parts are corrosion-treated to ensure weather resistant protection. Other 8”
features include: rugged kevlar dustcap, 2'' diameter edgewound copper voice on a polyimide former,
high excursion/reduced fatigue suspension and a compact, high flux density magnetic system.
Nominal impedance for the high section is 8 ohms and the compression driver employed in dV-DOSC
features a 1.4'' exit, titanium diaphragm, 3'' diameter edgewound aluminum voice coil and a lightweight
neodymium magnet. These features combine to provide high sensitivity and power handling with low
distortion over the entire operating bandwidth (800 - 18k Hz). A removable rear panel allows access
to the compression driver for servicing the diaphragm.
Each dV-DOSC enclosure is provided with two Speakon connector sockets for direct connection and
paralleling of up to three enclosures. Enclosures are paralleled using SP.7 loudspeaker cables (0.7 m
length). Direct connection of enclosures to the amplifier rack is made using SP7 or SP25 (7 m or 25 m
length, as required) in conjunction with the DO2W adapter and two CC4F. Alternatively, connection
can be made using DO7 or DO25 cables and the DOFILL adapter (8 pin male CA-COM barrel to dual
speakon breakout).
The bandwidth of dV-DOSC is 100 Hz to 18 kHz although the system can be used down to 80 Hz.
For extended bandwidth applications, the addition of dV-SUB, SB118 or SB218 subwoofers is
recommended in order to extend the low frequency response.
Figure 16: dV-DOSC array
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