Sony Walkman D-EJ925 Personal CD Player
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Equalized headphone jack but strait line output.
Pros
Size and battery life.
Cons
Equalized headphone jack: maybe not so good with better headphones.
Recommended it?
Yes
The Bottom Line:
Maybe I (and You) will start to build some headphone amplifiers. To get non rolled off frequencies into our ears.
As this portable CD-player has got many excellent reviews here and I agree to them I will confine myself to some comments on the sound, headphones and headphone-amplifiers.
When I bought this player I also bought the Sony MDR-G72LP headphones. I didn't like these so I bought the Sennheiser MX-500. I like these Sennheiser very much. They are clearly better than those included with the D-EJ925. Then I also wanted something to listen in noisy environments so I bought the new closed Sennheiser HD-280pro (64 ohm). I also really like these closed headphones. The sound is quite "open" and as I listen to classical music at low levels there was absolutely no problem for the CD-player to drive them. (Young people seems to want to blew their brains out by using very high sound levels but I don't.)
Now I also had read on the web that good quality headphones will benefit from a headphone amplifier. Not just to boost sound level but also sound quality. I decided to try these HD-280 with my speaker amplifiers. (I did build these 2 amplifiers many years ago. Class A non-push-pull 25 Watts in 4 ohm speakers.)
Yes there was a clear difference between listening 1.) trough the headphone jack and 2.) through the the line output and amplifiers.
The 2.) sound was more open and maybe a little bit more controlled bass. The 1.) sound was softer with perhaps lesser detail.
I suspected that the headphone jack was equalized compared to the line output. So I did put my old test-CD in the player and a broad band beckman multimeter (100 kHz -3dB) on the output. Now I had the CD-player step through frequencies from 20Hz to 20,000Hz.
I was right while the line output was strait the headphone jack was down 1.5dB at 5kHz, 5dB at 12kHz and 8dB at 20kHz.
At least with this CD-player it seems to be true that the sound quality can benefit from a headphone amplifier used at the line output. The more so with good headphones not in need for any upper frequency roll off.
When I bought this player I also bought the Sony MDR-G72LP headphones. I didn't like these so I bought the Sennheiser MX-500. I like these Sennheiser very much. They are clearly better than those included with the D-EJ925. Then I also wanted something to listen in noisy environments so I bought the new closed Sennheiser HD-280pro (64 ohm). I also really like these closed headphones. The sound is quite "open" and as I listen to classical music at low levels there was absolutely no problem for the CD-player to drive them. (Young people seems to want to blew their brains out by using very high sound levels but I don't.)
Now I also had read on the web that good quality headphones will benefit from a headphone amplifier. Not just to boost sound level but also sound quality. I decided to try these HD-280 with my speaker amplifiers. (I did build these 2 amplifiers many years ago. Class A non-push-pull 25 Watts in 4 ohm speakers.)
Yes there was a clear difference between listening 1.) trough the headphone jack and 2.) through the the line output and amplifiers.
The 2.) sound was more open and maybe a little bit more controlled bass. The 1.) sound was softer with perhaps lesser detail.
I suspected that the headphone jack was equalized compared to the line output. So I did put my old test-CD in the player and a broad band beckman multimeter (100 kHz -3dB) on the output. Now I had the CD-player step through frequencies from 20Hz to 20,000Hz.
I was right while the line output was strait the headphone jack was down 1.5dB at 5kHz, 5dB at 12kHz and 8dB at 20kHz.
At least with this CD-player it seems to be true that the sound quality can benefit from a headphone amplifier used at the line output. The more so with good headphones not in need for any upper frequency roll off.
