Jump to content

EXPIRED For Sale Lightspeed Attenuator L and R channel volume Passive pre-amplifier

AUD $420
  • 0 replies
  • 0 enquiries
  • 291 views
  • Dates
    Submission Date:
       

Reason: Sold Elsewhere.

4 Images

Ad Details

Price

AUD $420

RRP/MSRP

AUD $750

Product Type

Content deleted

Model Name

L and R channel volume

Condition

Excellent

Payment Method

Any

Region/State

(VIC) Victoria/Australia

Suburb or Town

Melbourne (Frankston)

Original Receipt Available

 No

Shipping & Pickup Options

Shipping:  Available
Pickup: Available

Auditioning

No

Reason for Selling

NLR

Further Information

RARE ADVANCED MODEL WITH INDIVIDUAL VOLUME CONTROL FOR L AND R CHANNEL.  Comes with power supply.  Free shipping.

 

Handcrafted in Australia.

 

I believe Lightspeed Attenuator is very beneficial component for many top end Hi-Fi systems.

 

This is all about to make your preamplifier sound at its best.

 

To make your preamplifier sound at its best, you need to put volume say 80-90% (otherwise you will hear sound degradation).  Most of the time, we listen music or watch movies at much lower volumes. Lightspeed Attenuator lets you to keep preamplifier's volume stable at 80-90% (the best possible sound), and you adjust desired listening volume with Lightspeed without any sound degradation.  
  

 

Description:

An innovative approach to passive preamps.
Lightspeed Attenuator sounds like no other preamp, passive or active.

The best way to describe the Lightspeed Attenuator is that it sounds like you have plugged your CD player directly into your
power amp—with no preamp or contacts in the signal path.

Common to all potentiometers “volume controls” in preamps is a very light-pressure, pin-point-sized contact area between the
wiper surface and the resistive track. In these potentiometers, the situation is at its worst because the pressure of the
wiper is intentionally light so as not to wear out the carbon or plastic resistive track.

It would appear that the rise time of music causes the contacts to become poorly conductive at such levels and creates a
“diode effect” that tries to rectify the AC music signal and turn it into DC, this is bad news for the ac music signal. For
want of a better term, I called this dynamic contact bounce; and it disappeared once more pressure was applied to the wiper.
This is why I believe the Lightspeed Attenuator offers the cleanest, most transparent sound—top to bottom—that one can
achieve because it has none or any other of these contacts in the signal path.

And in the case of RCA interconnects, the contact area is thousands of times larger than a potentiometers pin-point wiper
contact, and the pressure is much higher, so the phenomena does not seem to occur—although I think maybe it does in a small
way. Ever wonder why your system sounds better after you’ve done a good clean-up of your RCA plugs and sockets?

 

Specs:

Frequency response: 0hz – to almost Infinity.

Interconnects are the determining factor here.
Power Amp Input Impedance: Should be more than >33kohm which most are.
Source Output impedance: Should be less than <1kohm (1000ohms) which most are.

ELECTRICAL DISCLAIMER

There are electrical safety standards that apply to private sellers (individuals) for both new and second hand equipment that connects to mains power. It is the responsibility of the seller to ensure their product being offered for sale complies with the electrical safety standards applicable to them for the country or state in which they reside. Click here for more information.


User Feedback

Recommended Comments

There are no comments to display.

Guest
This ad is now closed to further comments.





×
×
  • Create New...
To Top