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OFF - FOR SALE: Audio Alchemy ddp-1 + PS5 power supply immaculate condition all in original box

Item #649415905
Info: Audio Alchemy ddp-1 + PS5 power supply immaculate condition all in original box

Asking Price:
USD $1295.00
Retail Price: USD $2600.00
Payment method: Paypal
Ships to: United States
Shipping weight: 15.88 (kg) Calculate Shipping
Shipping Dimension: 45.72cm x 40.64cm x 38.10cm
Condition: 10 - Mint (?)
Date Posted: Feb 18, 18 11:57am (PST)
Edited: Mar 09, 18 4:46am
About Seller: UT, United States
External Feedback: boniccelli (258)
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Days in System:180

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I bought this dac and power supply for an office project but unfortunately I won’t be able to complete my system due to a move. This is one of the best DACs in the market and the ps5 takes the system to a whole different level. Shipping included in CONUS. PayPal free if you use friends and family otherwise please add 3%.

Unlike most digital preamps and DACs, the DDP-1 employs sophisticated digital processing that gives it superior sound quality as well as added flexibility. You can select from four output filter profiles and you can also select the output resolution -- so whether to upsample or not is your choice. A proprietary DAC chip configuration dramatically reduces noise, achieving approximately 24-bit dynamic range from 16-bit digital signals and 32-bit dynamic range from 24-bit signals. A multistage phase-locked loop (PLL) circuit reduces jitter to the picosecond level, so the sound has more of that smooth, analog quality we all love.

Masterful Analog Engineering

The preamp section employs a discrete FET driver and output stages, for more musical sound and better measured performance, too. A high-precision, four-gang Alps potentiometer provides precise, transparent control of volume and a gratifying feel. An optical sensor on the volume knob tracks the knob’s motion so it can work with the DDP-1’s advanced, multiprocessor-driven control system.

From AA website;

The DDP-1 is equipped with an external AC power supply, and can be upgraded by replacing the stock power supply with the PS-5. The PS-5 is a balanced power supply with separate feeds for analog and digital/control circuits, separate positive and negative rails for analog circuits, well as large banks of storage capacitors for better filtering of AC ripple and improved dynamics. A USB connector on the back of the DDP-1 makes firmware updates easy -- you don't even have to take it back to the dealer.

The DDP-1 is everything a digital preamp should be. Advanced, yet traditional. Versatile, yet musical. Compact, yet capable. It’s the spirit of Audio Alchemy, taken to a whole new level.
For DDP-1 owners, the PS-5 is an easy and affordable way to improve dynamics, lower the noise floor, and enhance detail, spaciousness and musicality. It immediately and substantially elevates the performance of the DDP-1 by adding a much more advanced and capable power supply. It also complements the aesthetics of the DDP-1, by nesting into the unit, so the PS-5 looks like an integral part of the system rather than an add-on accessory.

Sound Power

Inside the PS-5 are two separate, regulated power supplies: one for analog circuits, the other for digital and control circuits, which provide each the unique power qualities required to maximize their performance. These discrete supplies are routed into the DDP-1 (DAC/Preamp/Headphone Amp) through a special multi-pin connector on the rear of the unit for easy connectivity. Additionally, the AC-to-DC conversion is performed inside the PS-5 to prevent interference with the sensitive analog audio circuits inside the DDP-1. A balanced supply with separate analog and digital/control feeds, separate positive and negative rails for analog circuits, and large banks of storage capacitors for better filtering and improved dynamics.
REVIEWS

The first point to note is the DDP-1 is the star of the show. With (preferably)
or without the PS-5, this processor-meets-line-stage-meets-headphone-amp is the
real deal. It has uncanny detail resolution at the price, it plays music with
an infectious sense of rhythm, and it manages to tick all the right audiophile
‘limpid pools of pellucidity’ boxes while sounding like a device you might just
want to live with when you aren’t playing well-recorded nose-flute albums. It
has all the insight and soundstaging properties needed to dig deep into albums
like Gregory Porter’s Liquid Spirit [Blue Note] both from a sound and musical
quality perspective, but it also never loses sight of the fact music is
supposed to be entertaining. Adding the PS-5 gives the sound more separation
(both space around the instruments and ‘around the notes’) and gives a sense of
greater cohesiveness in both the playing and the sounds of the recording
itself. It’s well worth owning… in fact, it’s well worth owning after you buy
the DDP-1. Here’s why, you get the enjoyment of the ‘wow!’ factor twice over,
once when you buy the DDP-1 and once later when you upgrade it. Although if you
are a headphone user, the PS-5 is almost a mandatory upgrade, as it gives the
built-in headphone amp a significant boost from ‘good’ to ‘outstanding.’

Resolution enhancement also benefited the Alchemy’s
rendering of timbre, which was a little smoother, particularly in the upper
midrange. Overall, resolution enhancement contributed significantly to my view
that the DDP-1’s DAC section is not only terrific in an absolute sense, but
nothing short of amazing in a $1999 full-featured preamplifier.

– Absolute Sound (2017 Buyer’s Guide Top-Picks Preamplifiers)

I don’t want to overstress the hi-fi attributes of this system, in case people
get the wrong idea and start ascribing audiophile sensibilities to a system
that is considerably more flexible than that. Yes, the Audio Alchemy system
does all that midband transparency, top-end fluidity, bottom-end heft, all the
micro-dynamic, and timbral shading that draw audiophiles moth-like to
equipment, but the reality is so much more than that.

It has uncanny detail resolution at the price, it plays music with an infectious sense of
rhythm, and it manages to tick all the right audiophile ‘limpid pools of
pellucidity’ boxes while sounding like a device you might just want to live
with when you aren’t playing well-recorded nose-flute albums. It has all the
insight and soundstaging properties needed to dig deep into albums like Gregory
Porter’s Liquid Spirit [Blue Note] both from a sound and musical quality
perspective, but it also never loses sight of the fact music is supposed to be
entertaining. Adding the PS-5 gives the sound more separation (both space
around the instruments and ‘around the notes’) and gives a sense of greater
cohesiveness in both the playing and the sounds of the recording itself. It’s
well worth owning… in fact, it’s well worth owning after you buy the DDP-1.
Here’s why, you get the enjoyment of the ‘wow!’ factor twice over, once when
you buy the DDP-1 and once later when you upgrade it.

There are two ways of looking at the term ‘high-end audio’.
One is intrinsically locked to the price – if it ain’t ‘spendy’, it ain’t
high-end! The other is more about the performance. Products are high-end by
intent rather than by sticker, and it’s here where Audio Alchemy’s DDP-1, PS-5,
and DPA-1 score so highly. We’ve all used clichés like “punches above its
weight” or “giant killer” a lot in audio, but these terms are richly deserved
here. This range is so exciting, so intrinsically ‘right’ sounding, and so much
damn fun you can’t help but like it a lot. And something this right helps
legitimise Class D in the minds of sceptical audiophiles who have been told if
it isn’t hot and heavy, it isn’t any good. In short, the Audio Alchemy
components are all true high-end equipment that just forgot to be heavy and
expensive. Very highly recommended!

– Hi-Fi Plus

2017 TAS award at the LA Audio Show: Best Sound (for the money): Andrew Jones’
new floorstanding Elac Andante speakers ($5k) paired with eminently affordable
Audio Alchemy electronics produced astounding bass and the most natural imaging
of the show.

This product is considered to produce the best sound at almost every audio show
in 2016 and 2017. Spectacular piece of engineering with plenty learned from Madnick's time at Constellation.



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