Violectric HPA V280 - balanced headphone amp - impressions and discussion thread
Dec 30, 2020 at 5:28 PM Post #856 of 1,098
Dec 30, 2020 at 7:57 PM Post #857 of 1,098
Jan 7, 2021 at 11:18 PM Post #858 of 1,098
Just got a pair of Sennheiser HD660S on sale from Crutchfield, I figured they'd be a good pairing with V280/ V850 and i've been regretting selling my 650's over the past few months. MY GOODNESS, basically all of my gripes with the 650 on a Valhalla 2 are gone and i'm loving the 660S. Big step up in imaging, treble resolution and detail. Bass quality is also dramatically better than my old 650's on a tube amp. The Violetric stuff really shines with the higher ohm headphones and I couldn't recommend it enough for any Sennheiser fan out there. Back to blissful acoustic and piano tracks now...
 
Jan 7, 2021 at 11:35 PM Post #859 of 1,098
Just got a pair of Sennheiser HD660S on sale from Crutchfield, I figured they'd be a good pairing with V280/ V850 and i've been regretting selling my 650's over the past few months. MY GOODNESS, basically all of my gripes with the 650 on a Valhalla 2 are gone and i'm loving the 660S. Big step up in imaging, treble resolution and detail. Bass quality is also dramatically better than my old 650's on a tube amp. The Violetric stuff really shines with the higher ohm headphones and I couldn't recommend it enough for any Sennheiser fan out there. Back to blissful acoustic and piano tracks now...

I LOVE the 660's on my V220. :thumbsup:
 
Jan 8, 2021 at 12:00 AM Post #861 of 1,098
My favourite solid-state headphone amplifier is the Violectric V280: excellent tonal balance and range, detail and ambience in real space without hype or etch. The V280 is wonderful on vocals and acoustic instruments. It has just a touch of “tube liquidity”! It pairs really well with the Gjallarhorn JM Edition, the HD-600, Focal Clear, the Beyer DT1770, and the Beyer DT880 (600 ohm). I have the DIP switch set to +12 dB for the DT880. The V280 is my go-to h/p amplifier for other low impedance h/p in my collection.
 
Jan 8, 2021 at 12:14 AM Post #862 of 1,098
I just received a note that the ZMF Auteur (black limbawood) that I ordered in the November “sale” will arrive tomorrow...excited to pair the Auteur with V280 and with BHC 1.1+ (mega-capacitors etc.) I will post the experience.
 
Jan 11, 2021 at 1:47 AM Post #863 of 1,098
I need to audition the ZMF cans again... from reading on here it seems like the Vierte would be my true endgame, a good cumulation of all of my preferences. I'll definitely be getting HD800S this year for gaming, since i've never heard anything remotely as good as those for imaging in games. Got an LCD-X for my bass cannon of choice and i've been adoring having the 660S for casual listening and something that's light as a feather on the head. While I love my LCD-X it's cumbersome wearing a pound and a half for 4+ hours lol. Just did an A/B test of the HD 58X/ 600/ 6XX (650)/ 660S. Happy to find out the 660S is my fave, but wow do those 58X put in some work for the price.
 
Jan 11, 2021 at 9:48 AM Post #864 of 1,098
My favourite solid-state headphone amplifier is the Violectric V280: excellent tonal balance and range, detail and ambience in real space without hype or etch. The V280 is wonderful on vocals and acoustic instruments. It has just a touch of “tube liquidity”! It pairs really well with the Gjallarhorn JM Edition, the HD-600, Focal Clear, the Beyer DT1770, and the Beyer DT880 (600 ohm). I have the DIP switch set to +12 dB for the DT880. The V280 is my go-to h/p amplifier for other low impedance h/p in my collection.

How much volume can you get put of the DT880's if you are at +12Db's? I use +6Db's on my V220 and get a large range of volume.
 
Jan 11, 2021 at 10:03 AM Post #865 of 1,098
How much volume can you get put of the DT880's if you are at +12Db's? I use +6Db's on my V220 and get a large range of volume.
At the +12 dB setting, I can turn the volume knob to “1pm” before the volume gets too high for me. I am using the right-side 1/4” - not the XLR. Dynamic range is fine. As an aside, for the DT1770 pro (250 ohm) I revert to the 0 dB setting (due to higher dB/V for 1770 versus 880). I am also thinking about Custom Cans (U.K.) mods for DT880 to use balanced cabling. I have not decided yet between one-cup or two-cup wiring.
 
Jan 12, 2021 at 8:10 AM Post #866 of 1,098
Just got a pair of Sennheiser HD660S on sale from Crutchfield, I figured they'd be a good pairing with V280/ V850 and i've been regretting selling my 650's over the past few months. MY GOODNESS, basically all of my gripes with the 650 on a Valhalla 2 are gone and i'm loving the 660S. Big step up in imaging, treble resolution and detail. Bass quality is also dramatically better than my old 650's on a tube amp. The Violetric stuff really shines with the higher ohm headphones and I couldn't recommend it enough for any Sennheiser fan out there. Back to blissful acoustic and piano tracks now...
Not sure how to read this. The 660S are not high impedance headphones.

Certainly the V280 is killer with most headphones.
 
Jan 13, 2021 at 11:38 PM Post #867 of 1,098
Not sure how to read this. The 660S are not high impedance headphones.

Certainly the V280 is killer with most headphones.
Well, with bearing in mind my only other set is the LCD-X at 20 ohm, the 150 ohm (up to 400 at driver resonance) is significantly higher than those. They play really well with the V280's powerband is what I was getting at I suppose. Every other amp i've owned makes peak power down low in the resistance, whereas the V280 peaks at 100ohm for power. Just got my balanced 4.4mm pentaconn female to balanced XLR adapter in today, and now having the 660S balanced on my V850/ V280 stack is incredible. The amount of control and finesse of the treble with these is outstanding for the price point. They're very engaging and detailed to my ears vs the other 600 series cans (650 in particular) yet are never harsh or fatiguing to listen too. These are the perfect compliment to my LCD-X's that i've been looking for. Turns out pairing the German companies together isn't so bad of a match eh?
 
Jan 14, 2021 at 6:32 AM Post #868 of 1,098
Well, with bearing in mind my only other set is the LCD-X at 20 ohm, the 150 ohm (up to 400 at driver resonance) is significantly higher than those. They play really well with the V280's powerband is what I was getting at I suppose. Every other amp i've owned makes peak power down low in the resistance, whereas the V280 peaks at 100ohm for power. Just got my balanced 4.4mm pentaconn female to balanced XLR adapter in today, and now having the 660S balanced on my V850/ V280 stack is incredible. The amount of control and finesse of the treble with these is outstanding for the price point. They're very engaging and detailed to my ears vs the other 600 series cans (650 in particular) yet are never harsh or fatiguing to listen too. These are the perfect compliment to my LCD-X's that i've been looking for. Turns out pairing the German companies together isn't so bad of a match eh?
High impedance cans start at the low end with 250 ohm Beyers.

The 660S was designed to run off portable devices, neither it nor the LCD-X need much amp at all. They're both more efficient than average, and low impedance. The V280 is an 800 pound gorilla for those cans. I'm surprised if you have any range of volume control.

You're saying you like your 660S out of the V280 more than your 650s?
 
Jan 14, 2021 at 10:36 AM Post #869 of 1,098
High impedance cans start at the low end with 250 ohm Beyers.

The 660S was designed to run off portable devices, neither it nor the LCD-X need much amp at all. They're both more efficient than average, and low impedance. The V280 is an 800 pound gorilla for those cans. I'm surprised if you have any range of volume control.

You're saying you like your 660S out of the V280 more than your 650s?
Using the -12dB gain I have plenty of volume control for my liking, more than my LCD-X. I like having headrooom on the amp, part of the reason why I got the V280 is so that anything I plug into it gets a healthy dose of power. I no longer own HD650’s I sold them several months ago since I wasn’t using them. After a comparison last weekend of the HD58X, 600, 650, and 660S my favorite off my gear was the 660S. They all have their strengths, but the 660S is leaps and bounds better than the others in treble, and soundstaging / imaging. Bass is tighter and faster as well to my ears. The 650’s real strength is vocals and while the 660S’s lag a little behind there they make up for it everywhere else.
 
Jan 14, 2021 at 11:34 AM Post #870 of 1,098
Using the -12dB gain I have plenty of volume control for my liking, more than my LCD-X. I like having headrooom on the amp, part of the reason why I got the V280 is so that anything I plug into it gets a healthy dose of power. I no longer own HD650’s I sold them several months ago since I wasn’t using them. After a comparison last weekend of the HD58X, 600, 650, and 660S my favorite off my gear was the 660S. They all have their strengths, but the 660S is leaps and bounds better than the others in treble, and soundstaging / imaging. Bass is tighter and faster as well to my ears. The 650’s real strength is vocals and while the 660S’s lag a little behind there they make up for it everywhere else.

I agree. I went through all the Senn's and kept the HD660's. To me, they are the most transparent headphones that I own.
 

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