Its my one anniversary with this legacy combo. I'll tell you my experiences with these two. For disclaimer I've owned the E30 a bit longer than the L30's, I'll start with newest to oldest. My amp is an old Sansui 2000A. Headphones is AKG 7XX.
Topping E30 (Serial 2003) : Pure glorious DAC. The DAC part sounds cleaner than D10, mainly the highs. Once in a blue moon, or even blood moon the DAC side glitches. A simple on/off fixes the issue. The most glitches I encounter are mainly Windows 10 problems. It plugs and play well but I recommend installing the drivers. The recent problem is that the ASIO shares audio with other programs, I am certain that this is a Windows 10 problem but who knows. With foobar2000, I hope around WASAPI push & event, sometimes push works better or sometimes event works better. PCM media sounds better than DSD media on this dac. I haven't use the digital inputs, so I don't have any saying on that. As a pre-amp, this is gonna get juicy. Probably the worst pre-amp I have ever experienced. No the problem isn't switching frequency small pop, that is mild. Sometimes the pre-map makes my Sansui have a loud pop through the speakers. The sound is as loud as firework snappers (bang snaps). When the loud pop happens, the woofers feel slightly hot and I get a headache fast. I know for a fact that this loud pop isn't caused by my Sansui, as I owned this machine for 6 years. I tested everything switched rca cables, usb cables, and power sources. I can confirm that the loud pop is caused by the E30's preamp mode. Now when the pre-amp does work, I don't know if its in my head or not, but it sounds less clean. Although it is nice having a remote control. After a while being on, one of the channels becomes louder than the other, a simple fix is to turn it off and on. The channel imbalance problem only happens in pre-amp mode.
TL;DR: Great DAC, Terrible Pre-amp.
Recalled Topping L30 (Serial 2006) : Great power and sounded a-lot cleaner than my Sansui 2000A's headphone part. I hate the relay clicks. Another juicy tale, so this thing got really really hot. Comparable to warmth of fire, probably could literally could cook an egg on it. I never tested the pre-amp section on this guy, so I don't have a saying on that part. The gain I think sounded worse with +9 dB than 0 dB for some reason.
Replacement Topping L30 (Serial 2012) : Once again, almost same story. Great power, sounded cleaner than my Sansui 2000A. This puppy barely got hot at all, even under stress. I did use the pre-amp section of this amp. Its very good. I think the pre-amp of this L30 is cleaner than my Sansui 2000A's. Volume control is buttery smooth and stable. I think there's a very very slight channel imbalance but its not as bad as the *coughs* E30's preamp *coughs*. Regardless of gain setting (pre/hpa) this thing sounds clean. Its all-round a very good machine. The only thing I hate about it is the relay clicks.
I recommend the Topping E30 as a DAC only. I also recommend the L30, its a great headphone amp and pre-amp.
Topping E30 (Serial 2003) : Pure glorious DAC. The DAC part sounds cleaner than D10, mainly the highs. Once in a blue moon, or even blood moon the DAC side glitches. A simple on/off fixes the issue. The most glitches I encounter are mainly Windows 10 problems. It plugs and play well but I recommend installing the drivers. The recent problem is that the ASIO shares audio with other programs, I am certain that this is a Windows 10 problem but who knows. With foobar2000, I hope around WASAPI push & event, sometimes push works better or sometimes event works better. PCM media sounds better than DSD media on this dac. I haven't use the digital inputs, so I don't have any saying on that. As a pre-amp, this is gonna get juicy. Probably the worst pre-amp I have ever experienced. No the problem isn't switching frequency small pop, that is mild. Sometimes the pre-map makes my Sansui have a loud pop through the speakers. The sound is as loud as firework snappers (bang snaps). When the loud pop happens, the woofers feel slightly hot and I get a headache fast. I know for a fact that this loud pop isn't caused by my Sansui, as I owned this machine for 6 years. I tested everything switched rca cables, usb cables, and power sources. I can confirm that the loud pop is caused by the E30's preamp mode. Now when the pre-amp does work, I don't know if its in my head or not, but it sounds less clean. Although it is nice having a remote control. After a while being on, one of the channels becomes louder than the other, a simple fix is to turn it off and on. The channel imbalance problem only happens in pre-amp mode.
TL;DR: Great DAC, Terrible Pre-amp.
Recalled Topping L30 (Serial 2006) : Great power and sounded a-lot cleaner than my Sansui 2000A's headphone part. I hate the relay clicks. Another juicy tale, so this thing got really really hot. Comparable to warmth of fire, probably could literally could cook an egg on it. I never tested the pre-amp section on this guy, so I don't have a saying on that part. The gain I think sounded worse with +9 dB than 0 dB for some reason.
Replacement Topping L30 (Serial 2012) : Once again, almost same story. Great power, sounded cleaner than my Sansui 2000A. This puppy barely got hot at all, even under stress. I did use the pre-amp section of this amp. Its very good. I think the pre-amp of this L30 is cleaner than my Sansui 2000A's. Volume control is buttery smooth and stable. I think there's a very very slight channel imbalance but its not as bad as the *coughs* E30's preamp *coughs*. Regardless of gain setting (pre/hpa) this thing sounds clean. Its all-round a very good machine. The only thing I hate about it is the relay clicks.
I recommend the Topping E30 as a DAC only. I also recommend the L30, its a great headphone amp and pre-amp.
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