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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

Rich Tube Amplification for Your Headphones

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. That sound is improved even further with an onboard MCU + KELAY circuit, which reduces background noise, strengthens bass frequencies, and adds brilliance to treble frequencies. Also on board is a Japanese TOCOS Volume Potentiometer for better control of current, voltage, and resistance. The SMSL SP100 delivers an output of 95 mW (times two) at 32 ohms—ideal for low-impedance headphones. Equipped with an RCA out, the SMSL SP100 can also be used as a stereo preamplifier for other amps and active speakers.

Note: At checkout, choose black or blue.

SMSL SP100 Tube Headphone Amplifier
SMSL SP100 Tube Headphone Amplifier
SMSL SP100 Tube Headphone Amplifier
SMSL SP100 Tube Headphone Amplifier

Color Options

Specs

General 

  • SMSL
  • 6N3 tube
  • MCU + KELAY circuit
  • THD+N: 0.018%
  • SNR: 85 dB
  • Size: 2.2 x 3.6 x 4.3 in (55 x 92 x 110 mm)
  • Weight: 9.9 oz (0.28 kg)
  • Power consumption: 5.5 W

Output Power

  • 32 ohms at 95 mW x 2
  • 64 ohms at 77 mW x 2 
  • 150 ohms at 40 mW x 2 
  • 300 ohms at 21 mW x 2

Shipping

Estimated ship date is Jan 22, 2020 PT.

Payment will be collected at checkout. After this product run ends, orders will be submitted to the vendor up front, making all orders final.

Top Customer Questions

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Recent Activity
So i just bought the M100/SP100 micro-stack as I call it for $50 shipped used. I know your post is old, but if anyone else is looking for info on this setup, this Drop thread is one of the few resources that come up on a Google search. I immediately swapped out the tube with a GE 5670 W tube that I picked up for $8 on eBay and it is 100% worth it. The detail and soundstage size both pick up significantly after swapping from the stock tube. As to whether the tube is just decoration, I have ABd between a few of the solid state setups I own (Burson Timekeeper 3i, SMSL M500, JDS Labs El Stack2+, Ferrum Oor/Hypsos) and it does add a little bit of that "tubey goodness" to the overall sound. I also agree with Zeos' review where he says he thinks the output is more powerful than they list because I have use the M100/SP100 to drive my AKG Q701s and K702s as well as a pair of 150ohm DIY built headphones and it does so with volume to spare and the headphones come out with the requisite fullness and bass depth without struggling or compressing the soundstage especially once you swap out to the 5670 W, but it's not bad with the stock tube either. Overall, I thought I'd give this little stack a try, but didn't expect much and I have been pleasantly surprised. The M100 is a capable DAC that can be paired with the amp of your choice and serve you well. The SP100 is a lovely little tube hybrid box that actually sounds quite good and drives harder than I would have guessed. Throw in the GE 5670 W tube swap and you have yourself a killer setup for cheap. I saw this combo for sale on ebay and Mercari as well, one for $75 shipped and the other for $85. I would have no problen grabbing this setup at those prices on the used market and going to town. I hope this helps anyone who's looking...
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