Optimal Sub 18
18" High-power sub-bass loudspeaker.
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Delivery Charges
Freight Charges within Australia
Soundgear Australia will do their very best, to ensure your order arrives as quickly as possible. We use an integrated network of post and road companies like StarTrack, TNT, Go Logistics, and Australia Post to deliver Australia wide. We will do our best to ship as quick as possible.
Oversize Items:
- Oversize items or multiple items such as horns, speakers, sports packs, may also incur additional charges to those calculated at checkout. We will contact you with any additional charges.
GENERAL AUDIO (excludes Lecterns-see Lectern pricing below)
| Price Range | Cost | Method |
| Up to 25 | $15 | Express Post |
| $26 to $300 | $25 | Post / Road |
| $301 to $500 | $28 | Post / Road |
| $501 to $1000 | $30 | Post / Road |
| $1001 to $2500 | $45 |
Post / Road |
Oversize Items:
- Oversize items or multiple items such as horns, speakers, sports packs, may also incur additional charges to those calculated at checkout. We will contact you with any additional charges.
Freight charges to W.A /N.T/Far North QLD, Regional and Rural areas:
- Additional charges to those listed may apply.
- Please contact us for a quote.
- If you place an order and we can’t get it to you for the freight charged we will contact you and let you know of the additional charges.
Sending to Residential Addresses:
- For all residential deliveries an additional $27.50 Inc-GST may also be charged for certain brands (Mipro, Bosch, Earthworks, Alfatron, FBT, Antari).
- If we cannot express Post it and it needs to go with a courier service, the additional residential fee will apply.
- If you have placed an order online we will contact you if this additional charge applies. Please feel free to call us on 02 9585 8687 to check the freight charge.
Deliveries to residential address need an “ATL” (authority to leave goods)
- Please leave us a note at check out advising us of an “ATL” ie/porch, front door etc should you not be home to sign.
| Price Range | Cost | Method Delivery times |
| Zone A | $110 | Zone A Areas (Sydney, Melbourne, Canberra, Adelaide, Newcastle, Wollongong) |
| Zone B | $242 | Country /Regional-All states, Perth, QLD -(excluding TAS /N.T) |
| Zone C | Quote required for TAS /N.T | |
| Note: | Zone A only calculated at checkout. All other zones will need to be charged separately. We will contact you to arrange this. |
**WE DO NOT SHIP OVERSEAS**
Sub 18 is a powerful, high-performance, passive, 18” subwoofer designed for applications that call for increased impact and low frequency performance across the Optimal Audio loudspeaker range.
The 18” (460mm) driver is loaded into a plywood bass-reflex cabinet that maximises performance, with a peak SPL of 136dB, while taking up minimal space. Sub 18 can be used on the ground or flown using integral M8 inserts.
An impact-resistant perforated steel grille protects the driver, and rubber feet on the base resist movement. The Sub 18 enclosure is constructed from plywood and finished in black textured paint.
When teamed with Zone and WebApp, system set up and end user control is straight forward, and can be further complemented by ZonePad wall controllers.
- Compact size
- Powerful sub-bass support down to 42Hz (± 3dB)
- High power handling
| TYPE | Sub-bass loudspeaker |
| FREQUENCY RESPONSE (with preset) |
42Hz-150Hz +/- 3dB |
| DRIVERS |
LF: 18” (460mm) |
| RATED POWER | 800W (AES) 3200W (peak) |
| NOMINAL IMPEDANCE | 8Ω |
| SENSITIVITY (1W/1m) | 101dB (Half Space) |
| MAXIMUM SPL | 130dB (cont) 136dB (peak) (Half Space) |
| ENCLOSURE | Plywood |
| FINISH | Black Textured Paint |
| PROTECTIVE GRILLE | Perforated steel |
| CONNECTORS | Euroblock type |
| PIN CONNECTIONS (INPUT) | 4 pin Euroblock with link out |
| FITTINGS | 12 x M8, Inset bolts |
| DIMENSIONS |
(W) 756mm x (H) 530mm x (D) 544mm |
| WEIGHT | 47.0kg (103.6 lbs) |
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