After 21 years--Powered Subs and Powered Bass Systems

ctviggen · « **Reply #60 on:** 13 Oct 2006, 06:31 pm »

John, I take it that the plate amp has an adjustable output (to be able to level match with the amp used on the mids/tweets)?

John Casler · « **Reply #61 on:** 13 Oct 2006, 07:47 pm »

Quote from: ctviggen on 13 Oct 2006, 06:31 pm

John, I take it that the plate amp has an adjustable output (to be able to level match with the amp used on the mids/tweets)?

Yes

perfectly

seadogs1 · « **Reply #62 on:** 17 Oct 2006, 06:54 pm »

John, with the PBS on the RM40's do you still need a high current amp for the rest of the system or how much power do you need for the rest of the system? Can a tube amp be used for the rest of the system?

warnerwh · « **Reply #63 on:** 17 Oct 2006, 07:27 pm »

Seadogs1: A tube amp will work with the planar/ribbon section fine. The load is an easy one as it's purely resistive. I'd still want a decent amount of power, say a minimum of 50 wpc.

John Casler · « **Reply #64 on:** 18 Oct 2006, 01:55 pm »

Quote from: seadogs1 on 17 Oct 2006, 06:54 pm

John, with the PBS on the RM40's do you still need a high current amp for the rest of the system or how much power do you need for the rest of the system? Can a tube amp be used for the rest of the system?

Hi Seadogs1,

I'm still out of town, but able to log in here a bit.

The RM40's "love" current.

Your room size and general listening level will determine your power needs.

I know the Panels and Tweats will play well with as little as 25w, but they likely will not play at high SPL's.

Brian has suggested at least 60w for this purpose.

I have clients who use the 25w and are happy, but I would suggest that "more" would be needed to satisfy at higher listening levels.

Woodsyi, uses tubes on his RM40's, maybe he will join in and share his experience.

matix · « **Reply #65 on:** 20 Oct 2006, 01:21 am »

Will this be availale in 220-240V?

John Casler · « **Reply #66 on:** 20 Oct 2006, 06:53 am »

Quote from: matix on 20 Oct 2006, 01:21 am

Will this be availale in 220-240V?

I don't think so. Nothing in the literature or manual mentions such capability. I'll check with the distributor.

Biggalo · « **Reply #67 on:** 29 Jan 2007, 09:34 pm »

Quote from: Brian Cheney on 10 Feb 2005, 03:09 am

We have finally found an amp for our woofers!

Any photos available of the Powered Sub for The V60 in Tower (as opposed to cube) form?

John Casler · « **Reply #68 on:** 29 Jan 2007, 09:50 pm »

Quote from: Biggalo on 29 Jan 2007, 09:34 pm

Quote from: Brian Cheney on 10 Feb 2005, 03:09 am
We have finally found an amp for our woofers!

Any photos available of the Powered Sub for The V60 in Tower (as opposed to cube) form?

Hi Biggalo,

They will appear similar to this artists rendering without the slot.

Plus the bottom most driver will be a Passive Radiator rather than a driver as depicted.

Also, not shown is a 15" side firing PR.

I don't beleive B, will have the cabinets for these until later this next month, so no pics until then

ctviggen · « **Reply #69 on:** 29 Jan 2007, 10:21 pm »

John,

So, there's going to be two passive radiators? Four active drivers and two passive radiators?

Housteau · « **Reply #70 on:** 4 Feb 2007, 09:27 pm »

What is the technical reason for the driver in the VSS to be off center? Just curious.

ctviggen · « **Reply #71 on:** 4 Feb 2007, 09:49 pm »

I'd guess to provide the room to put the plate amp in.

Housteau · « **Reply #72 on:** 5 Feb 2007, 04:30 pm »

.....or, I wonder if is an offset so both drivers have the room to move back and forth freely?

ctviggen · « **Reply #73 on:** 5 Feb 2007, 04:36 pm »

Woops! You could be right. I didn't realize there were two drivers. (In a push-pull configuration?)

Housteau · « **Reply #74 on:** 5 Feb 2007, 05:45 pm »

The active and passive. I remember from another posting that this new 15" woofer has some some size and weight to it.

John Casler · « **Reply #75 on:** 5 Feb 2007, 11:13 pm »

I'm sure when Brian feels a bit better, he'll weigh in, but I overheard him telling someone at CES that he places the Driver "off center" for acoustic reasons having to do with internal cabinet reflections and waves.

dubravko · « **Reply #76 on:** 28 Apr 2007, 01:46 pm »

VLA Final Drawings

In rosewood...

In macassar ebony...

Housteau · « **Reply #77 on:** 28 Apr 2007, 06:21 pm »

This design change has made the wait very worthwhile. This is a world class look.

Brian Cheney · « **Reply #78 on:** 28 Apr 2007, 06:45 pm »

I took Dave's suggestion and changed from a grillframe to small flush grills like those over the 6.5" on the V60. It makes the VLA towers more of a piece with the V60's and is indeed cosmetically a step up.

Now if I can get the factory to run them we'll all be happy.

John Casler · « **Reply #79 on:** 28 Nov 2007, 05:31 pm »

Quote from: Brian Cheney on 10 Feb 2005, 03:09 am

We have finally found an amp for our woofers!

500W rms/8 Ohms
1000Wrms/4 Ohms
Elec. xover 30Hz-200Hz at 12dB
single band parametric EQ 20 to 80Hz, adj. Q from .1 to 1.0
Encapsulated and damped with Dynamat for in-cabinet installation
Class AB output stage with high efficiency downconverting power supply
excellent sound quality

Best part: price is $400! (add $17 shipping)

This amp is also available for the same price from Part Express, but we add a 13ft heavy-duty RCA interconnect and Dynamat on the capsule.

The amp can be bolted to the back baffle of any VMPS sub or installed inside (10" sq cutout required).

If you're ordering any sub we'll cut the hole for the amp and install at no extra charge, and with free shipping.

Hope this pleases a lot of folks.