SMSL SP100 Tube Headphone Amplifier
SMSL SP100 Tube Headphone Amplifier
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Product Description
The SMSL SP100 Tube Headphone Amplifier is the perfect solution for anyone in search of smooth and rich audio for their headphones. Outfitted with an easy-to-change 6N3 tube, the SP100 delivers a warm and soft sound only attainable through quality tube amplification Read More

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thdiaman
0
Nov 21, 2019
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anyone else having issues with the power brick? plugged it in and it started smoking (literally)... and yes, it is - supposedly - rated for up to 240V...
Nov 21, 2019
gorillatictacs
0
Oct 30, 2019
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Not sure if anyone has said it yet but this does not have RCA out. It has 2 parallel RCA inputs. While it can be used to daisy chain it does not provide any sort of pre-amplification to those RCA's it's only output is the headphone jack. Drop should update the description. With that being said it is a very vibrant sounding amp. It's great and I love it!
Oct 30, 2019
zep483
500
Sep 19, 2019
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I'd love to see the m500 soon!
Sep 19, 2019
RayF
13830
Sep 6, 2019
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I've read the Blue one sounds the best.
Sep 6, 2019
Aaaaaa
1
Sep 5, 2019
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Is this going to be better than massdrop o2 amp?
Sep 5, 2019
Eli35
585
Sep 6, 2019
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Is there something wrong about the O2 that I'm not aware of? I have it, and it's lovely, it quickly replaced my much less flexible (although more colored and "enjoyable" with the correct setup) Little Dot I+ as my office desktop amp. In fact, I like it so much I'd even buy a O2+ODAC to get the a decent standalone DAC/amp.
Sep 6, 2019
Qwervy
147
Sep 4, 2019
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that output power though... its kinda... small
Sep 4, 2019
MastiffMike
23
Sep 3, 2019
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As someone that's been considering getting their first tube amp, and wanting to do so on a budget, this peaked my interest. I like the look but question the complete lack of a single photo of a finished unit. And I know very little about tube amps, but I'm guessing this isn't a good representation of a decent sounding tube amp? Sure it's reasonably priced, but I'm willing to spend a little more to get something I'll be happy with.
Sep 3, 2019
kyeblue
10
Sep 30, 2019
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My Bellari HA540 arrived last week and it absolutely blow me away, music sounds full and clear across all range, from Anne-Sophie to AC/DC. I don't know how much this is associated with the NOS Mullard CV4004 which is sold as $249 on tubeDepot. I am totally happy with this unit except it has a noticeable background hum halfway past the volume setting. Not sure how much of this can be taken care of using a better power supply (any recommendation) . The stock one looks pretty cheap. It is interesting that the tube barely lights up, there is a very very dim orange light that I can barely see, and it does not generate a lot of heat either. I am going to roll with a re-issued Mullard CV4004 to see how much difference it is. Guess that I am going to pass up on little dot and enjoy my HA540. P20 is definitely interesting one to try. I have ordered a customized Beyerdynamic 990 Pro that can be fit with a balanced cable, but it will take a while to arrive。 SMSL DP3 also has a balanced headphone out as I am also looking at a network streamer.
Sep 30, 2019
Eli35
585
Oct 1, 2019
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That was very detailed, thanks a lot for sharing the info! Really, I love this kind of posts, kudos :)
Oct 1, 2019
MDuser69
7
Sep 3, 2019
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Why is there no photo? These are just renders...
Sep 3, 2019
RayF
13830
Sep 6, 2019
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You need a new computer.
Sep 6, 2019
Calaverasgrande
1393
Sep 3, 2019
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Perplexing choice of tube. Not easy to source replacements or tube roll for different sound signature. I would have thought they would choose a 12ax7 or 12at7. They are easy to find everywhere. 6N3 tube is a dual triode, so it could conceivably be amplifying both sides of a stereo signal. But without galvanic isolation on the inputs, and a very special custom transformer on the outputs. In order to allow both line output and headphone output from the same amplifer, I am going to have to assume this is a bunch of opamps with a tube wedged into the middle of the circuit to slather the signal with Toob sound®. Shame really, because a lot of the magic of tubes is that they operate single ended in most audio circuits, so you don't get that crossover distortion. And you can make a very very simple circuit, rendering it a very uncomplicated and straightforward audio signal.
Sep 3, 2019
Fayne
607
Sep 4, 2019
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The problem is less of finding the tubes, and more of finding properly tested and balanced tubes. Raw bulk untested 6N3 tubes are super easy to find for reasonable cost if you have a tester, not being one of the ultra popular tubes and all. Russian NOS of the 6N3P-EV are fairly cheap on eBay (~$45 for 50 count as of last month when I bought em), and the 6N3 is current production in China and are readily available. Better yet? You can use a bloody GE 5670W, the most amazingist of the enhanced 6922 designs (with a different pinout). These are super easy to find balanced and tested for under $25 (tube depot), or just in bulk at $4-5 a pop (eBay). That said, the output power is complete anemic (crap), and if this was any brand other than SMSL, I’d wonder if they’d just thrown the tube in for looks. I personally wouldn’t buy one... but that is totally not because of the tube choice. (edited for readability)
(Edited)
Sep 4, 2019
Banetbob
19
Sep 3, 2019
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The product description says: " Equipped with an RCA out, the SMSL SP100 can also be used as a stereo preamplifier for other amps and active speakers." The picture of the back panel only shows two RCA inputs, though. Some disconnect here?
Sep 3, 2019
Banetbob
19
Sep 4, 2019
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I see in the manual the RCAs are indicated as "In" and "Out", not IN 1 and IN 2 as they are on the unit. The manual also notes that the "Out" jacks are signal pass-throughs with no volume control or amplification.
Sep 4, 2019
marks8
16
Oct 11, 2019
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either works for either - switched my powered speakers from In1 to In2 and DAC from In2 to In1 and back again... it works either way?!?
Oct 11, 2019
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