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  ank you for your purchase

Every cabinet from Blumenstein Audio is made by hand in our Seattle wood shop and all electronics are 
thoroughly tested. As with most handmade pieces, every item we make is unique and there will be slight 
variations in the wood grain, color, and cabinetry. We apply our high standards of quality to everything we 
make and ship.

Getting Started

The Dungeness subwoofer is a compact powered subwoofer with a 25-watt integrated amplifier designed to 
be used ideally with Orca Fullrange speakers. It is designed for maximum flexibility in regards to placement 
options. 

Included in your purchase of the subwoofer are 2 lengths of thin gauge speaker wire to help you 

get this new addition to your sound system up and running quickly and easily.

 When used properly, your 

subwoofer will give you years of enjoyment. 

Placement

Use common sense when placing your Dungeness subwoofer. Place it on a fi rm, level surface. If it is on a shelf 
or cabinet, ensure that the fi xture can support the weight of the subwoofer and that there is adequate ventila-
tion around the subwoofer’s amplifi er. Avoid placing the Dungeness where it may be exposed to excessive heat. 
Long-term exposure to sunlight can aff ect the cabinet’s fi nish. 

For best performance, a single Dungeness should be placed between your Orca speakers. A pair of subwoofers 
should be placed as close to each speaker as possible: underneath or side by side. If you need to place the sub-
woofer on the fl oor, separated from your speakers, be sure to keep it slightly behind or in line with the speakers 
and not in front of them in order for your system to sound its best. It’s recommended that you isolate your 
speaker cabinets from your source components, be it digital or analog. 

Important Safety Instructions

All the safety and operating instructions should be read before this product is operated. Th

  e safety and operating 

instructions should be retained for future reference.

To reduce the risk of electric shock, do not apply power while the amplifi er is disconnected from the subwoofer 
enclosure. No user servicable parts are inside. Th

  e unit should be connected to an earth grounded AC electrical 

socket. Do not defeat safety purpose of the polarized or grounding plug. If the provided plug does not fi t into 
your outlet, consult an electrician for replacement of the obsolete outlet. Refer servicing to qualifi ed personnel. 
To reduce the risk of fi re and shock do not expose amplifi er unit to rain or moisture. Clean only with dry cloth. 
Unplug the unit during lightning storms or when unused for long periods of time.

Th

  e unit should be operated in a well ventilated area. Minimum clearance is 2 inches from the ventilation open-

ings. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including 
amplifi ers) that produce heat. Protect the power cord from being walked on or pinched, particularly at the plugs, 
convenience receptacles, and at the point where they exit the unit. 

Note:

 Amplifi er unit is set at the factory for 115V operation. Unit may not be adjusted for 230V operation.

Summary of Contents for Dungeness

Page 1: ...Dungeness Subwoofer Blumenstein Audio www blumensteinaudio com ...

Page 2: ...e the sub woofer on the floor separated from your speakers be sure to keep it slightly behind or in line with the speakers and not in front of them in order for your system to sound its best It s recommended that you isolate your speaker cabinets from your source components be it digital or analog Important Safety Instructions All the safety and operating instructions should be read before this pr...

Page 3: ...left and right input jacks must be connected to the source in order to drive the amplifer to full output 2 High Level Inputs Speaker level inputs using spring clip type jacks to permit connection with bare wire Allows the user to connect the speaker level output of a full range amplifier to the input of the subwoofer amp using standard speaker wire A mono signal is derived from the stereo input wh...

Page 4: ...he volume control for the subwoofer system To shut the subwoofer amplifier off turn the control all the way to the left until it clicks Alternatively plug the amplifier into a power strip with an on off switch and turn the subwoofer off via the power strip s switch so as to keep the gain knob in place We recommend setting this knob to 10 o clock 6 Freqency Knob Freq This control is used to establi...

Page 5: ...inding post caps on your speakers 2 Insert the included thin gauge bare wire and twist the caps back down 3 On the back of your subwoofer clip in the other ends of the bare wire into the L and R From Amplifier connectors in the High Level Input 4 Connect your speakers to your stereo amplifier using banana plug terminated cables ...

Page 6: ...ve method only using your stere amplifier or receiver as the biwiring point rather than the speakers Note Either I or II sounds the same choose which biwiring method you prefer based on convenience Recommended Settings Gain knob 10 o clock Frequency knob 10 o clock ...

Page 7: ...ubwoofer amplifier will usually solve the problem Warranty This product is warranted for the period of one year This warranty is limited to manufacturer defects either in materials or workmanship In the rare case of a product failure please contact Blumenstein Audio The warranty will not cover incidental or consequential damage due to defective or improper use of products This includes but is not ...

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