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The Sushi Box FX Secret Society

That sounds like a perfect use case for an external hard drive power supply (center positive). I've got boxes full of those things.
I do have these wired for center positive, as you're a lot more likely to find a high-current 12V supply center positive than center negative. But of course there's polarity protection so it won't get damaged if I forget.
 
Yeah it seems like a lot for a headphone amp, but considering it's an all-tube headphone amp with a frequency response that goes down to 25Hz, I feel like it's not terrible. The price would also cover the power supply, as this unfortunately has too high of a current draw for a Cioks (1200mA at 12V).

It's technically designed to be able to run in stereo, not just bridged mono like a lot of headphone amps, but for the purpose of NAMM demos I have these wired for a mono input. So if anyone wanted a stereo input (not sure how useful that is on bass) it would be a simple mod.

I don’t know if you’ve looked at prices for US handmade OTL headphone amps lately but they are typically pretty pricey.
 
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Stereo input would definitely be much more useful for a headphone amp. Not making them stereo would be very strange.
The output is obviously independent stereo, but this wasn't designed for music listening, this is designed as a musical instrument amplifier, which are predominantly mono.
 
The output is obviously independent stereo, but this wasn't designed for music listening, this is designed as a musical instrument amplifier, which are predominantly mono.
It would be great to have an AUX IN with a separate volume control for playing to backing tracks.

And potentially a Line Out just to make it more flexible for people's home set ups.
 
It would be great to have an AUX IN with a separate volume control for playing to backing tracks.

And potentially a Line Out just to make it more flexible for people's home set ups.
So nobody actually wants a Li'l Ampy 3, everyone wants something similar but that hasn't been designed yet, got it ;)
 
Hmmm, I need a mouse pad for my new studio desk. Any chance a run of these will hit the website?
I mean if people actually want them I could grab a couple more. It's honestly a pretty nice mousepad, it was a worthwhile impulse buy.
 
Plugging my sushi box preamps thru the broughton proto di and into my quilter 800 works great but I can't help but wonder what they would sound like thru a tube power amp, a sushi box tube power amp? ...
He probably has enough on his plate?...

How many hours to build a tried-and-trued kit like this - one-a-day?...
British Style 100W Lead / Bass Head Amp Kit
Just my free .02 , worth all it costs: a $500 headphone amp ain't gonna move units like a tube compressor (single slice), Grand Slampegg or Furthermore..... methinks 500 dead presidents is a significantly high price threshold for an "accessory".
Very niche, and super cool?...
 
Just my free .02 , worth all it costs: a $500 headphone amp ain't gonna move units like a tube compressor (single slice), Grand Slampegg or Furthermore..... methinks 500 dead presidents is a significantly high price threshold for an "accessory".
I agree. They were designed for a specific purpose, which is a high-quality platform for demoing pedals in a convention setting. I will personally use one at home for casual near-silent jamming at night, and I would be happy to let the others go if someone else has a use for one. But for how much they cost to build I can't justify a more reasonable price, and I would just as soon keep them for future use. Headphone amp is still on Furthermore's LONG list of features, so I don't have a lot of interest in further developing a standalone headphone amp where this one already fits my personal needs.
 
not sure a headphone amp is ideal for all but some may be interested in a 6sl7/6v6 (or 6l6) tube rectified low wattage power amp for quiet jamming or live use with super efficient cabinets and huge cool factor.
something to better the low wattage options already out there, like hotone thunderbass (svt).
no frills, no tone, just in/volume/out
 

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