APPJ mini2013 6J1+6P1 Tube Amplifier
APPJ mini2013 6J1+6P1 Tube Amplifier
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Product Description
Featuring two 6J1 driver tubes and two 6P1 power tubes, the new mini2013 6J1+6P1 tube amp delivers great noise performance, frequency response, and power output for the price. It’s beautifully built with a solid metal chassis in the color of your choice, and provides enough oomph to drive your favorite bookshelf speakers Read More

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maya923
29
Jul 25, 2019
Topping D50 DAC via USB from Mac to Definitive Technology SuperCube III to Klipsch R-51Ms. Horn speakers, great bass, wow, I LOVE IT!!! And I'd love to tube roll to experiment. Any suggestions?
MaskedAdvance
0
Dec 30, 2018
Four months after receiving the APPJ amp I am noticing a faint but audible high pitched whistle through the tweeters of my speakers. Think crickets. Researching tube amplifier's possible problems brought up several possible causes: 1) old/defective tubes. I swapped around all the tubes of this unit several times - first the driver tubes, then the output tubes. No difference. I swapped around my matisse clone preamp out for a little bear P5 tube buffer and it was the same. so... 2) possible microphonics. I dont know about this one. Seems unlikely. Microphonics result in feedback not something subtly bothersome, but loud whine like baby screaming not like many crickets. 3) ground loops? really? no I dont think so. How else to solve this? Unit has no warranty. Massdrop can't / won't help.
ashiraki
186
Oct 26, 2018
My wife wants to get into records. She says the turn table that she wants says it needs a pre-amp. I don’t really know what that is. Can I just buy this and connect the turn table to it? Then obviously connect this to speakers
Bellyofthebizd
10
Oct 27, 2018
Its rather RIAA correction than gain boost
ashiraki
186
Oct 28, 2018
Thanks guys!
West_Tee
7
Oct 26, 2018
Does anyone know if this is something that will be able to be used for Phono amplification? Thanks, Michael
yopo
2
Oct 29, 2018
fearlessraccoon
1
Oct 15, 2018
My APPJ mini is defective. Both the smaller tubes made a popping sound when I first fired it up, got really bright then dimmed. It works sort of, but the power output is way down. With the volume cranked up all the way, it still doesn't get very loud with any of the 4 pairs of speakers I tried using - and I do not listen to my music very loud AT ALL, I'm using this in a nearfield situation in my small office space.
I'm still waiting to hear back from a "specialized team" at Massdrop who is supposed to be handling this. Has anyone else experienced this sort of issue?
Jdjung
146
Oct 26, 2018
What is your speaker efficiency?
Davestef
143
Sep 24, 2018
do these have enough power to use with kef LS50's?
damien_chung
74
Oct 27, 2018
Lol its 3w per channel
Bellyofthebizd
10
Oct 27, 2018
You can buy 2 of them to use as a 200 usd monoblocks
zamlock
2
Sep 4, 2018
Can I connect it to an amp or power amp by controlling the volume. Basically looking for a change in sound signature.
highfiman3549
0
Sep 10, 2018
You can connect a preamp to this amp, but you cannot connect an amp to this amp.
The bugle boy is reference to sought after vintage tubes. Which if you are a tube head and know what it is in reference to, is even more eye-rolling. I'm pondering picking one up to power an old pair of JBLs that I've used as nearfields. Or to power some passive single driver reference cubes. If I do, I will certainly sand that crappy artwork off of the front.
mmmmmmdrop
6
Aug 24, 2018
Remove Corny Graphic?
I'm wondering if any one has removed the corny screen print graphics on the front of the unit. The script font and the anthropomorphized Tube playing a horn are a bit too much for my tastes.
mmmmmmdrop
6
Oct 25, 2018
Hey. That's interesting. i did not know this. I don't know that it makes it better or worse... I don't suspect that the tubes on these are Amperex.
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Small, when used on a tube, that trademark is not too bad. But at the size and contrast it displays on the front of these amps.
jportman
6
Oct 30, 2018
Too much to go into here. "Tube Rolling" i.e. trying different tubes in your amp is one of the side benefits/activities hobby of tube gear besides the great sound. Most of the new tubes sound inferior to the ones made in the in the 50-80's. Construction, material quality, (some even had gold pins!) skill in assembly all were factors, Plenty of "new old stock" tubes are available from tube retailers and eBay to support your quest in achieving the perfect sound balance for you. Have fun.
Schatt
1
Aug 10, 2018
Does it come with any power cord and speaker cables? If not, what kind of speaker cables are recommended?
David_L
15
Aug 11, 2018
No power cable, no speaker cable.
Speaker cable personal choice, I used some ofc speaker cable I already had in the garage placed plugs on each end and connected to some Tannoy Saturn speaker.
Schatt
1
Aug 11, 2018
Thanks, David.
Personally, I think it is poor business decision not to include, at the least, a power cable.
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