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Welcome to the Graham Slee Audio Products Owners Forum  Open to all owners plus those contemplating the purchase of a Graham Slee HiFi System Components audio product and wishing to use this forum's loaner program: join here (Rules on posting can be found here) This website along with trade marks Graham Slee and HiFi System Components are owned by Cadman Enterprises Ltd |
Achieving High Fidelity Sound |
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Ash 
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Joined: 18 Mar 2013 Location: Dorset Status: Offline Points: 4332 |
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 Posted: 23 Aug 2023 at 8:44pm |
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CHR-120 spec says Vas is 58.89 litres. F0 is 34Hz.
Yes, lossy boxes help to ensure the direct sound dominates over omnidirectional emittance. For a small room and plenty of power availability, it better suits my expectations. My next cardboard box speakers will look far better than my previous attempts. There aren't a lot of speaker drivers that can mechanically achieve deep bass, mids and highs up to 20kHz all from a single 12g diaphragm.
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Fatmangolf
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Joined: 23 Dec 2009 Location: Middlesbrough Status: Offline Points: 8724 |
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Posted: 23 Aug 2023 at 10:00pm |
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Lossy boxes also release the back pressure by flexing, damping the resonant peak. Even so you can work out alpha as about 1.5 for the closed box which gives you Fb and Qtc.
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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. |
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CageyH
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Joined: 30 Apr 2012 Location: Toulouse, Franc Status: Offline Points: 1631 |
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Posted: 03 Sep 2023 at 10:57am |
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Morning Ash,
Was the investment in the USB card worth it, or have you now moved on to other things? |
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Kevin
European loan coordinator, based near Toulouse, France. |
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Ash
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Joined: 18 Mar 2013 Location: Dorset Status: Offline Points: 4332 |
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Posted: 03 Sep 2023 at 7:06pm |
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My USB and S/PDIF cards and Pi4B-Pi2AES Lite transport are on hold for the moment whilst I finish transitioning from MySphere 3.1 to Mark Audio speakers. I am really pleased with the Tozzi Two and CHP-90 drivers and have the CHR-90 and CHR-120 for comparison and deep bass respectively. Speakers provide more spatial information so I wish to use them, not headphones, for critical listening of transports and computers. Sound differences may be very subtle and may barely be heard without extended speaker listening to identify them objectively. The ability to project a sense of space is an important quality to be compared so once I've got a precise 20-80Hz alongside my Tozzi Two, I shall return to the transports. I want to have a look at RISC-V single board computers too.
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Ash
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Joined: 18 Mar 2013 Location: Dorset Status: Offline Points: 4332 |
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Posted: 01 Dec 2023 at 7:19pm |
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We do not see things as they are. We see things as we are.
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