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Headphone Amp

Printed From: Graham Slee Hifi System Components
Category: Find what you're looking for here!
Forum Name: Buying a headphone amp, phono preamp or hi-fi accessory?
Forum Description: Find what you're looking for here! Links to our websites and more...
URL: https://www.hifisystemcomponents.com/forum/forum_posts.asp?TID=5822
Printed Date: 27 Mar 2026 at 3:31am
Software Version: Web Wiz Forums 12.01 - http://www.webwizforums.com


Topic: Headphone Amp
Posted By: gixer-k6
Subject: Headphone Amp
Date Posted: 31 Aug 2025 at 4:07pm
Hello,
Would a Graham Slee Ultra Linear with PSU1 power supply still be worth buying in 2025? For £375, There are so many to choose from nowadays it is hard to decide,
ThanksBig smile



Replies:
Posted By: BackinBlack
Date Posted: 31 Aug 2025 at 7:53pm
Certainly worth buying, especially at that price. I've not heard the musicality of the ULDE bettered at it's price point and even well beyond.
Just my opinion.
Happy Listening
Ian


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Just listen, if it sounds good to you, enjoy it.


Posted By: lfc jon
Date Posted: 31 Aug 2025 at 7:59pm
I only have the Solo with PSU1. For me it's all I need and don't have any plans to replacing it as it sounds so good.
I would say go for it as I don't think you'll be disappointed.
Try it out on loan. Nothing like listening to it in you HiFi system.




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Reflex M, Solo (both with PSU-1) CuSat50, Lautus, Spatia & Spatia links cables. Ortofon Bronze.


Posted By: Fatmangolf
Date Posted: 31 Aug 2025 at 9:28pm
It is a very good combo and Jon is right about trying it. If you want please PM John_C.

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Jon

Open mind and ears whilst owning GSP Genera, Accession M, Accession MC, Elevator EXP, Solo ULDE, Proprius amps, Cusat50 cables, Lautus digital cable, Spatia cables and links, and a Majestic DAC.


Posted By: Ash
Date Posted: 31 Aug 2025 at 10:07pm
The passage of time hasn't diminished the capability of the product. Wink

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We do not see things as they are. We see things as we are.


Posted By: Daveh0911
Date Posted: 16 Oct 2025 at 12:46pm
Hi all,
I'm considering buying a Solo ULDE to plug directly into a Chord Electronics QTest DAC - just wondering if anyone does this with a QTest or any other DAC?

The QTest phono output has three selectable output levels -1,2 and 3 volts so I think it will drive the Solo OK looking at the specs. I've got other bits of CE kit, but the Hugo TT desktop DAC/pre amp/phone amp which CE offer for the "desktop" is very expensive, and I don't need all that functionality because I only listen to music via headphones (Beyerdynamic T1 latest version - Z=30R). So a DAC/headphone amp would be perfect for me and the QTest will accomodate my future plans with my existing CE kit.

I think a loan might be required!


Posted By: lfc jon
Date Posted: 16 Oct 2025 at 6:29pm
Hi Dave.
A home loan is the best way as you can try it with your system.


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Reflex M, Solo (both with PSU-1) CuSat50, Lautus, Spatia & Spatia links cables. Ortofon Bronze.


Posted By: Daveh0911
Date Posted: 17 Oct 2025 at 11:00am
Originally posted by lfc jon lfc jon wrote:

Hi Dave.
A home loan is the best way as you can try it with your system.

Thank you Jon, I will get organised and order the new DAC and book a loan. Dave


Posted By: Ernie
Date Posted: 18 Oct 2025 at 1:25pm
Try a Majestic while you’re at it.

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There are 10 kinds of people. Those who understand binary and those who don't.


Posted By: BackinBlack
Date Posted: 18 Oct 2025 at 2:22pm
I'd agree with Ernie, try a Majestic before you commit to the CE QTest. The Majestic is an excellent DAC with useful features, but no windows to the inner workings or multicolour leds! Three SPDIF digital inputs, three optical inputs, one (stereo) analogue input (primarily included for output from phono amp), fixed level output and a real Volume knob for the variable output.
It is a bit more expensive, but as a pre-amplifier will form the heart of an excellent system.

Ian

Forgot the USB input!


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Just listen, if it sounds good to you, enjoy it.


Posted By: Ernie
Date Posted: 18 Oct 2025 at 8:17pm
Originally posted by BackinBlack BackinBlack wrote:

I'd agree with Ernie, try a Majestic before you commit to the CE QTest. The Majestic is an excellent DAC with useful features, but no windows to the inner workings or multicolour leds! Three SPDIF digital inputs, three optical inputs, one (stereo) analogue input (primarily included for output from phono amp), fixed level output and a real Volume knob for the variable output.
It is a bit more expensive, but as a pre-amplifier will form the heart of an excellent system.

Ian



Forgot the USB input!
Been the heart of my system since 2016. No sound degradation over this time, sounds wonderful (especially with an Enigma PSU). Bought the Proprius amps within the month too. No upgrading for nearly 10 years. Well apart from all the cables, an Accession MM, Enigma, and a Solo DE last week.

So try a Majestic, be careful this stuffs addictive.


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There are 10 kinds of people. Those who understand binary and those who don't.


Posted By: Fatmangolf
Date Posted: 18 Oct 2025 at 8:54pm
The Majestic's analogue input is ideal for a phono preamp.

-------------
Jon

Open mind and ears whilst owning GSP Genera, Accession M, Accession MC, Elevator EXP, Solo ULDE, Proprius amps, Cusat50 cables, Lautus digital cable, Spatia cables and links, and a Majestic DAC.


Posted By: Daveh0911
Date Posted: 20 Oct 2025 at 12:48pm
Many thanks for your suggestions. The main reason I am  looking at the Qutest is that will integrate with my existing CE equipment and also fit in with future plans. I have a very limited listening space and currently (and for the foreseeable future) have no need for a full preamp (or power amp - no speakers!), no vinyl, just digital sources and headphones. I really like the sound of the current set up from ripped CDs and high res (up to 192kHz 24 bit) downloads (predominantly classical and Jazz) but I think I can do better and potentially upscale all files to 768kHz via the QuTest for an even more detailed and open sound - but it will need a very transparent headphone amp. 

I take you point about the multicoloured LEDs, the Chord kit lights up like a Christmas Tree! Quirky, but once you get into it, it does mean something. I manage to steer clear of Windows etc my using a Chord server directly attached to the DAC, controlled by a Music Player Demon client on the PC, so the PC has no direct impact on the music. It does make a noticeable difference to keep clear of the PC. Thanks for your help, Dave


Posted By: BackinBlack
Date Posted: 20 Oct 2025 at 5:03pm
I now see, having reread the thread, that it makes sense to use the QTest if you already have other CE equipment if they can all "talk" to each other and you are building a Headphone based digital only system. I'd be interested to know how you get on with upscaling and how much different it sounds.
Back to the original question of whether the Solo ULDE "fits in" with your system - I don't see any reason that it wouldn't. The trial of a Solo through the loan scheme will best provide the answer of whether it suits you and your system. The variable output from the QTest would probably be best set at its' lowest nominal value of 1 Volt as the Solo input sensitivity for full output at 32 ohm is 510mV. Any higher and you might push the solo into overload, a little experimentation may be necessary.
Do let us know how you get on.
Happy Listening,
Ian


-------------
Just listen, if it sounds good to you, enjoy it.


Posted By: Daveh0911
Date Posted: 20 Oct 2025 at 6:50pm
Originally posted by BackinBlack BackinBlack wrote:

I now see, having reread the thread, that it makes sense to use the QTest if you already have other CE equipment if they can all "talk" to each other and you are building a Headphone based digital only system. I'd be interested to know how you get on with upscaling and how much different it sounds.
Back to the original question of whether the Solo ULDE "fits in" with your system - I don't see any reason that it wouldn't. The trial of a Solo through the loan scheme will best provide the answer of whether it suits you and your system. The variable output from the QTest would probably be best set at its' lowest nominal value of 1 Volt as the Solo input sensitivity for full output at 32 ohm is 510mV. Any higher and you might push the solo into overload, a little experimentation may be necessary.
Do let us know how you get on.
Happy Listening,
Ian
Many thanks Ian, the next thing to buy is the Qutest which is a couple of weeks away. I'm also intrigued in how upscaling affects the sound, although a physical solution from CE is some way away as it is an extremely pricey but impressive piece of technology. There are software upscalers for PCs I might try - I have a PC powerful enough to handle it, but for me that takes me back into music through the PC which in my experience has not been as good - maybe there are workarounds but quite honestly I want to work with what I already have and not go down another rabbit hole. I take your point on the input sensitivity of the Solo UDLE, I can't wait to give it a try. 

I'll keep you posted, Dave



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