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By Primare Knob
I have just started setting up my HT room and using 2 subwoofer for the first time.
What is the best way when using 2 subwoofers when you only have one LFE output on the AVR/PrePro?
At the moment I am using an Y splitter on the LFE output feeding into both subwoofers.
What is the best (starting) position?
At the moment I have placed them behind the Front speakers with a 1 : 1.3 ratio from the back : side wall.
What is the best approach for system integration.
Is there a different approach between 2 and multi channel integration?
At the moment I have "integrated" the subwoofers by ear into a 2 channel setup first, using level, phase and a 40Hz crossover setting on the subwoofers themselve. My front speakers are using 10" active drivers up to 350Hz and go down to 29Hz -3dB. After my first satisfying tweaks I adjusted the LFE level in the PrePro to match 75dB using a -40dBFS test signal from disc. I do use the option to send LFE signals to both front speakers and LFE channel since the subwoofer cut off frequency is set to 40Hz to integrate with the (2 channel) front speakers.
Item: Paradigm Sub-1
Location: Illawong NSW (near Padstow / Menai)
Price: $3300 (firm, >50% of RRP) + courier + 3% paypal if you want to go that way
Item Condition: No marks that I can see, one of the grill pegs is broken and wedged in hole (shown on photo)
Reason for sale: redoing room - no room for sub.
Extra info: As good as reviews indicate. Its in the cherry finish, which looks alright. If you desperately wanted black or another colour, I'd suggest a vinyl wrap as an inexpensive way to get there. Also includes the pbk kit (subwoofer EQ system), original box, receipt (purchased 16 months ago from Eastwood hifi -> it has 20 months of warranty left) . Specs as per following link, http://www.paradigm.com/products-current/series=signature/model=sub-1/page=specs. Basically has 6 8" drivers in sealed enclosure, will go reasonably loud and reasonably low and I have not heard it distort. I think the current Paradigm top of the line sub is near identical to it (I'm struggling to identify a difference in the specs, apart from the colour). Pick up is preferred, and you'd have to help me lift it into your car, its 50 kg of subwoofer. I do have the original box - and courier is an option - previous quote about $200 to Melbourne (would need to be confirmed for your destination).
Item: Parasound A31 Amp, Parasound P7 preamplifier, PS Audio PWDII DAC, PS Audio P10 Powerplant, Velodyne DD15+
Price: $16,150 Delivery not included
Item Condition: Used Mint condition would suit a new buyer
Reason for selling: Moved Interstate for Work and Apartment too small
Payment Method: Pickup - Cash, Bank Transfer
Extra Info: This audiophile grade set up was part of a larger 5.1 System. Add another 2 channel amplifier and you will be stunned at the transparency and clarity of this system. The following breakdown is provided for each individual component of the system. If you are in the market for a new system please consider this as you will not be disappointed with the components as they are in an as new state with manuals, OEM boxes and cables. I have also included some links below to each of the products. I have had a couple of years of amazing listening to this system.
Parasound A31 Amp $3500
Parasound P7 preamplifier $1800
This preamp works a treat with any BluRay player that has preamp outs and has balanced connections as well.
PS Audio PWDII DAC $2850
PS Audio P10 Powerplant $3850
Velodyne DD15+ $4150
Item: JTR Cap S2
Price: $2800 + shipping
Item Condition: Perfect (kept in kids, pets, smoke free environment)
Reason for selling: Too many subs
Payment Method: Pickup - Cash, Paypal, COD Only
Hesitant sale. I’m not sure if there is such thing as too many subs
Twin 18” drivers with 4000W amp (continuous, 6000W peak) – more output than you’ll ever need. In my room, the Cap S2 on its own can get well down below 20Hz getting around 10Hz.
This sub was the reason I spent a lot of time and money sound proofing my current room. In my last house where I first bought it, second night I was using it I had a neighbour come by and politely ask me to put the volume down………as his floors were shaking……….
Despite its power and performance, it’s a relatively shallow sub, offering great placement flexibility. Can be used on its side, or upright (like I have).
Sealed design, so tight bass – good for both movies and music.
To buy new, will cost you the following: 3000 USD (3800 AUD) + shipping via sea freight ($500) + GST ($430) = $4700 at least
Demo available for local buyers.
I don’t a have a box, so shipping will require a custom box or pallet.
Link to manufacturers website for technical details:
Just do a search on avs and you’ll find a plethora of feedback.
For reference in the picture, it's the dual upright sub between the centre and left speaker.