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DIY Tube Gainclone
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Critical Q Sub - FAQ
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Fletcher-Munson Curves
Joe's Photos

 Coming Soon:

Projected Price AUD $1850 - Free Shipping within Australia

IDEAL AMPLIFIER FOR ELSINORE LOUDSPEAKERS

Based on a Chinese OEM manufactured EL34 Tube Integrated Amplifier, rebuilt to our JLTi Standard. Incorporates new 2008 tube technology, such as the L.E.M., which is a module that literally super-charges the performance of the Output Transformers in such a way that they outperform even Amorphous  Cores (expensive and lower power). In addition, it uses a new method of Triode mode, which we tentatively call "Super Linear Triode Mode" as well as other clever design ideas. If you cannot afford the Vacuum State prices for SVP, RTP and DPA-300B preamps and power amps, then this will get you much of that level of performance at a fraction of the cost. These are music lovers amps, not Hi-Fi amps, highly refined, grainless, liquid and surprisingly handles both micro and macro dynamics effortlessly, ultra-smooth, yet wonderfully full bodied and a bass quality that belies its humble power rating. Orders for Australasia will be taken now. Read more...


Arguably The World's Largest Online Speaker Project - 100 Plus Pages (if printed out)

"To my opinion the performance is now on par or even better than the Avalon Eidolon."  Hans Hammerbauer, Switzerland

A World Class Speaker that only needs 18 Watt per channel under most circumstances.


ELSINORE Mark 3 PROJECT KITS

Kit of Parts (all drivers & bits except the box itself) $2000 - Usually 2 Weeks Delivery

 


Mission Statement

It is all about value for money, helping you getting high performance audio at a reasonable cost. Custom Analogue Audio is situated in Sydney, Australia. It is registered business in the state of NSW, solely owned by Joe Rasmussen, and the name tells exactly what we aim to do. We specialise in valve/tube equipment, often refurbishment, some repairs (although we are not a repair business), specialised in some Solid State based on our own R&D. You will be surprised by what we can do.

We upgrade selected and/or suitable digital CD DVD and SACD Players, as well as models you may already own, subject to their potential (I won't waste your money). Proprietary clock technology, specifically the way the clock is powered, we are the leading the world and that is not an empty overstatement.

Much of the technology is indeed proprietary and developed with along with others, most particularly with Vacuum State in Switzerland owned by Mr. Allen Wright. Other collaborators are from the U.S., UK and Europe etc.

Custom Analogue Audio also does leading edge R&D work into improving multi-way loudspeaker technology using innovative crossover philosophy being shared with select speaker firms. The vehicle to publicly describe this approach is the Elsinore Loudspeaker on the site.

Rebuilding Tube Amplifiers, particularly Power and Integrated Amplifiers, is a high value service for those with existing models. These can be upgraded to an audio performance that is sublime, and capable of dynamics that Solid State amplifiers barely hint at. These amplifiers, converted to Super Linear Triode Mode, sound far more powerful than their rated output indicate. If in Sydney, or coming to Sydney, please give us a chance to demonstrate this.

An exclusive service offered by Custom Analogue Audio is the L.E.M., the add-on module that will upgrade and super-charge any output transformer used in any tube Power or Integrated Amplifier, without even removing or changing the transformer itself. Combine this with our special method of converting the output stage to to Triode mode, and your old amp will be ready to be aimed at the moon.

We also rebuild or improve some Preamplifiers and custom make new ones. This can be anything from a simple and inexpensive upgrade to complex rebuilds and new FVP-5B Phono PreAmp, but always delivering value. If you are an owner of an older Vacuum State FVP Preamp, this can be upgraded to a preamp that competes with commercially available products selling for $10,000 or a new FVP-5B can be built to order. It is simply a killer preamp, even if some were made twenty years ago and then upgraded with time over twenty years. Also, new Solid State preamps, even Microphone Preamps for Studio use, based on our own exclusive R&D. No negative feedback, large bandwidth, best non-tube sound imaginable and reasonable cost. The technology is based on the amazing JLTi Phono Stage that is now commercially available and is arguably the best value Moving Coil Phono Stage available under $6,000. If in the U.S., contact Audio Revelation.

We welcome visitors and the opportunity to demonstrate what we can do. Please bring some familiar music, whether CDs, SACDs or Vinyl. The atmosphere will be very different from that of a shop, there is no obligation to buy anything, as it is mostly services that we make available rather than specific products to sell. Just enjoy the experience.


NEW

JLTi CD Player

A$1750 Direct Only

Contact Joe: joeras@vacuumstate.com

Prices does not including shipping - insurance to be requested by buyer.

Dedicated CD Player does CDs better than most multi-$k players doing SACDs.


Improve Any Tube Power Amplifier

L.E.M.

Linearity Enhancement Module

 L.E.M. is a module that fits inside your Tube Power Amplifier that enhances the performance of the Output Transformer. How does it do that? It is not well known that Output Transformers suffer from lower resolution at low signal levels due to the Permeability slide factor as publicly described by Menno Vanderveen (member of the Audio Engineering Society), the Dutch transformer designer (for Plitron and more). The L.E.M. works by exciting the Output Transformer at very high frequencies near the edge of its bandwidth, so there is a constant signal going through the transformer preventing the Permeability to slide below a certain point. Resolution is always kept high, audible grain is prevented, blacker backgrounds due to better dynamic shading, bass fundamental improved and more. Improves any Tube Power Amplifier.

According to Menno Vanderveen, the flux density can go as low as 40 nanoTestla @ 4KHz - as weak as the Earth's magnetic field.

    

For the time being this is offered in Australia alone, the projected price is $300 for a Stereo amplifier and $360 for Mono Blocks, fully fitted.

Email joeras@vacuumstate.com

The L.E.M. has also proved to be beneficial to some Solid State Integrated and Power Amplifiers. Especially successful in improving the novel "Gainclone" type of amplifier, such as the JLTi Integrated. Since these have no output transformer, it is clear that something else is at work. While not as easy to define, it would help keep the transconductance of the solid state output devices higher at lower signal/current levels. Also, the higher rise time of the L.E.M. signal will accelerate the transition through the zero point, thus reducing crossover artefacts. The sonic improvement is the actual proof - the rest is academic.


Positive Feedback Reviews: JLTi Phono and JLTi SACD Player

.JLTi Mk2 Amp Review on TNT-  Audio Hi-Fi Review

High-End Integrated Tube Hybrid Amplifier

  

SELL-OUT PRICE A$1200 - only a few left

Recommended Retail Price A$ 2999.00 - *Export P.O.A.

Prices does not including shipping - insurance to be requested by buyer.

PayPal—eBay's service to make fast, easy, and secure payments for your eBay purchases!  

Add 3.5%.

Sales: joeras@vacuumstate.com

"Surprise, I would never have spotted it as a transistor amp... personally I'd take it over the Lab 47 Gaincard. The JLTi adds both warmth and dynamic ability to that worthy design, and once again at a much lower price... I reckon it's going to make a lot of people very happy."  G.H. - see Review of Mark 1 version: www.tnt-audio.com

"Magic amp" - Val Pazin, Manager, Pymble Hi-Fi

 

High-End Integrated Tube Hybrid Amplifier

This is not a budget amplifier, just nearer a budget price. Here is a chance to spend more on a better Loudspeakers, or upgrade your source component, like a VSE upgraded SACD Player!

"If amps like the JLTi are able to perform at this level with very expensive speakers it may force us to rethink our attitude to system building... then our budget for a system may be split in a totally unconventional way e.g. 40% source, 10%amp, 50% speakers. In fact the JLTi shines brightest in such a system. Plug it into a budget+ set up competing with a decent integrated and you may wonder what the hype is about, it's refinement, poise and ability lost."    G.H. - see Review of Mark 1 version: www.tnt-audio.com"

"The dynamics... were released unhindered. It also produced a lovely valvy sound - and I mean that in the positive sense of 'natural, warm and powerful.' ...this is an amp you could listen to all day - I don't mean it's 'rolled off' or anything like that because that irritates after 5 minutes. No it's even handed and consistent." www.tnt-audio.com

 


JLTi Phono Stage

New International Model

Read Vacuum State's Newsletter Spring 2006

Available in the United States from Audio Revelation USD $1650

Optional Power Supply USD $950

More Info, Download Vacuum State Newsletter 2006


JLTi Standard Interconnects

Available from Pymble Hi-Fi A$ 180.00 *Export  P.O.A

* Only to Buyers Outside Australasia, no GST & so a Tax Rebate apply to Export Price.

High Performance, no nonsense interconnects. We even tell you how they work. Read more...

Also soon: The JLTi Silver Interconnects, price yet to be announced.


The unique Critical Q Sub Woofer Project:


NEW: Interest Article  Fletcher-Munson Curves & Dynamic Compression

Based on notes of an address made to Audiophile Society of NSW 24th June 2007


Joe Rasmussen - Contact Information

www.joerasmussen.com

Telephone
612-9607-4650  (02-96074650)
Mobile Phone
61-4122-03382  (0412-203382)
Fax
612-9034-9666  (02-9034-9666)
Postal address
L303 Dalmeny Drv, San Marino Estate, Prestons 2170, Australia
Electronic mail
Webmaster: joeras@vacuumstate.com  

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Copyright © 2003-7 Joe Rasmussen & JLTi
Last modified: 04/27/08