Headphones

james.miller said:
have you got the correct gain set for the headphone output on the stx?
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damn, thats more like it. high and extra high gain are much better and can be used without the noise cancelling now.

just need an extension cable, though as they are supplied with a 1.8metre QED lead getting an extension for £5 sort of defeats the purpose!

cheers
 
Sorry - forgot about the gain setting.

So having set the STX amp correctly, how do they compare to the Sonys?
 
The lm4562's the stx uses for the line level output's are about £5 each if you buy them in ones. the JCR 2144d's on the headphone stage are cheaper as i recall - they arent some magical super expensive components lol.

oh, and he was talking about the amp chip itself ureil. not sure on the need of a rolleyes there, check it out yourself. http://uk.farnell.com/jsp/search/br...ions=false&ref=globalsearch&_requestid=564186 TPA6120's in various configs.....
 
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Well i have an st anyway, not an stx :p

I dont think my stereo amp is designed to power 300ohm headphones which is why it makes them sound sort of muddy without the noise cancelling on. It is a 10, maybe 15 year old amp trying to power new technology after all

My ST headphone port with the 64 - 300ohm or 300+ ohm setting works a lot better with the headphones and they do not need the cancelling on to sound that much better. You can only just tell that it is on actually.

One way for me to test would be to run my amp through the headphone port, turn on gain and see how my B&W 603s perform. The headphone port is 6.3mm and currently my amp is connected to the essence ST via the duel phono.

I think if it was possible to connect amp and speakers through headphone port then a horrible disported noise would come out the speakers if setting to high or extra high gain.

Anyway im much happier but would still like to listen to open headphones with less ohm (around 50ohm?), particularly the Goldring DR150 and Sennheiser HD595
 
WRT to buying Opamp's - don't pay for them.

Go to the relevant manufacturer site e.g. TI and request a sample. If you use a "business" email address they are free
 
james.miller said:
The lm4562's the stx uses for the line level output's are about £5 each if you buy them in ones. the JCR 2144d's on the headphone stage are cheaper as i recall - they arent some magical super expensive components lol.

oh, and he was talking about the amp chip itself ureil. not sure on the need of a rolleyes there, check it out yourself. http://uk.farnell.com/jsp/search/br...ions=false&ref=globalsearch&_requestid=564186 TPA6120's in various configs.....
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Sorry - my point is that the Opamp is not the amp. It is a component of the amp. And I still think it is worthy of a rolleyes.

It's the same mistake as people saying that a DAC chip on a soundcard is directly comparable to a Beresford DAC for example. They're not the same thing at all.
 
Uriel said:
Sorry - my point is that the Opamp is not the amp. It is a component of the amp. And I still think it is worthy of a rolleyes.
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yes but it's pretty much going to be the most expensive part given that its nearly a one stop shop i/c. you could probably build an amplifier using that same amp chip with a lot over £10-£15 quids worth of parts.
 
Uriel said:
Sorry - my point is that the Opamp is not the amp. It is a component of the amp. And I still think it is worthy of a rolleyes.

It's the same mistake as people saying that a DAC chip on a soundcard is directly comparable to a Beresford DAC for example. They're not the same thing at all.
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Yes, certain soundcard DACs (on xonar essence) use higher quality components than some high quality dedicated DACs and are show to out perform them. This is based on readings from avforums and headfi.
 
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