WHEST PS.40RDT - Pushes the Boundaries w/ Life Like Musicality!

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Whest PS.40RDT / RDTSE Phono Preamplifiers - Call for Your Best Price

Testimonials (on the Whest PS.40RDT and it's predecessor - the Whest PS.30RDT)

"Thank you James for your help. You are right. The PS.40RDT is a perfect match for my Brinkmann LaGrange. The ASR and Tron phonostages cannot compare. They sound flat and lack so much information. The 40RDT is perfect."
Brinkmann LaGrange/ Brinkmann 10" arm/ Ortofon Cadenza Black/ Whest PS.40RDT
- Mr E Brauer - Gottenberg Sweden

Awarded 5 Globes - HiFi World

"Strong, sumptuous bass, capacious midband, sweet treble, rhythmically engaging, flexible (settings) with balanced or single ended operation... a brilliant, all-round design, the Whest PS.30RDT offers most of what anyone would need."
- David Price, HiFI World

Winner - Stereo Time Most Wanted Components

"Whest Audio PS30RDT phono preamplifier is an excellent, low noise solid-state phono stage that has a wide range of user-adjustable gain and load settings... I found the unit to be extremely dynamic and detailed while presenting superbly stable instrumental images within a very deep soundstage.
- Stereotimes.com

"The Whest Audio PS30RDT Phono Preamplifier is an extraordinary phono preamplifier by any yardstick. It is a grainless, noiseless piece of gear that provides all the dynamic shadings, vivid imagery, and fine detailing that allows reproduced music to sound real... As for me, I may need to purchase the PS.30RDT, because now that I've lived with it there's no going back."
- Frank Alles, Stereotimes, (read the review)

 

Overview

Continuing in the spirit of the TITAN Pro and a whole new chapter in the Whest Audio phono stage design range, comes the new 40 Series – the 40RDT and 40RDT Special Edition.

Getting more resolution from vinyl isn't easy and it certainly isn't about the 'KISS' (keep it simple, stupid) principle. Getting higher resolution from a phono stage and vinyl is much like getting higher resolution from an MRI scanner used in the medical field. The reason why today's MRI scanners are so much better than their early cousins is because of more processing power/ more electronics. A modern MRI machine has hundreds of times the processing power of its distant cousin. The same goes for Whest's phono stages.

The outgoing and multi-award winning 30 Series was a class leader in its price range for the whole time it was in production and still outperforms the latest products the competition have to offer! It had amazing noise figures, class leading soundstage and musicality and it did this all in one neat package.

The essential elements that make the Whest Audio phono stages world-renowned and loved are still retained in the 40 Series but the departure from the 30 Series starts right here.

 

 

The NEW 40 SERIES:

The Whest 40 Series adds several layers of extra dimensional 'space' with greater instrument-harmonic resolution, 'life like' musicality and a 'microscopic type' of focus that the 30 Series electronics was incapable of. The only way we found we could achieve this was to borrow much of the technology and ideas from the TITAN Pro which was designed to be the very best single box phono stage in the world, which it has accomplished, so we felt 'why not just scale it down' and use the essential parts to bring the TITAN Pro's high-resolution sound to a market place that REALLY needs it.

The new 40 Series pushes the boundaries of what is capable at this price level. No other phono stage in the world at this price range has the abilities of the 40 Series thanks to its BIG brother.

Starting with the chassis w430mm x d290mm x h78mm - is manufactured using the same precision computer controlled machining technique, hand-welded and finished seams to give it high rigidity as the TITAN Pro and MC REF V MK4. Internally the chassis incorporates the suspension system used in the MC REF V Mk4. The combination of this suspension system and ultra strong chassis means that all unwanted vibrations from airborne or structure sources are very well damped. The 40 Series circuit board uses ultra low impurity copper throughout and its copper weight is twice that used in nearly all audio electronics. Small signal integrity is of the highest importance and with this in mind a new regulator system has been designed and employed for the 40RDT Special Edition. The new discrete input stage for the 40RDT Special Edition is based ENTIRELY on the MC REF V MK4 input stage but has been 'trimmed' for the 40RDT Special Edition. The input stage of the 40RDT uses an ultra low noise/ hand-matched monolithic amplifier. Because all of the major amplifying and filter sections of the 40 Series are channel matched, they are capable of incredible realism.

The hybrid RIAA filters have been kept in the 40 Series design because not only is it used throughout the full Whest Audio range, but in the 40 Series it is now trimmed to a far tighter tolerance for both curve and channel matching. Channel matching now is to within 0.12dB and RIAA curve accuracy to 0.15dB. Both these figures are across a bandwidth with spans from 9Hz and 62KHz. Any non-Whest Audio phono stage would be at least 4-6dB down at these extremes, but having experience in pro-audio, vinyl cutting and mastering means we at Whest Audio know what it takes to get the very best from playing back the vinyl format at al price levels.

Gain and load selection is accessed under the chassis like all Whest Audio phono stages. Maximum gain is 72dB and with the internals' ultra low noise levels it means you will never be stuck for gain ever again! All units are setup for standard low output moving coil (65dB/100ohms with 91pf of input capacitance) but if you do want to experiment it just takes 30secs to change over.

MM gain is at a very healthy and modern 43dB not the older 1970s standard 40dB like our competitors. This with a total capacitance value of 91pf gives a beautifully flat response from your high performance MM cartridge and an unmatched sublime audio output that can only be achieved from a Whest Audio phono stage.

Signal inputs and outputs are on 'audiophile grade' RCA and XLR connectors identical to that used in the MC REF V MK4. Because Whest Audio phono stages are used in archiving both professionally and domestically we have included a second set of RCA outputs to allow the user to send the output to their computer for transfer while 'monitoring' the output through their main audio system. This means that the 40 Series can be permanently connected to the computer system and main audio system at ALL times, ready to transfer. The 40 Series noise levels are so low that using 24bit or 32bit conversion is possible without the fear of unwanted signals getting to the soundcard. With the PS.40RDT and PS.40RDT Special Edition we now have a new standard - no other company in the world designs with this much attention to detail for the end-user.

Technical

• 40RDT - Reference Dual Transformer with an ultra low noise/ hand-matched monolithic input amplifier.

• 40RDT Special Edition – As above but with is an ALL discrete transistor design, further channel matching of critical transistor pairs and filter components, higher operating voltage throughout and power transformer matched pairs.

• Ultra matching critical components in the audio and DC paths (40RDT Special Edition). The matching is by channel so that each channel behaves as closely as possible to the other (ALL). This is translated in far better stable, realistic and etched images with far far better musicality.

• The internal cabling borrowed from the TITAN Pro is high performance Pro-Audio grade OFC type designed for high-frequency stability and phase performance.

• High Voltage and elevated voltage rails means better dynamic range and contrasts.

• The new input stage Zero voltage float means far better signal transfer tracking and a higher resolution signal into the discrete output stage.

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GET A FASTER RESPONSE! It's easier if you email directly to [email protected] rather than thru the Audiogon system. We are a VERIFIED AUDIOGON DEALER and pay a fixed monthly fee and therefore no commissions on sales. Thanks in advance!