Some love for the Benchmark HPA4/LA4


Making this thread to show my love for this amazing preamp. Yea, all the use usual descriptions apply. Yadda yadda it is great.

It is 1:15 AM  in the morning and my kid and wife are asleep. I am not cranking it but listening at very very low volume (I have great headphones available but it sounds amazing on the speakers right now).  It is the preamp that is doing the great sound at low volume. I won't get into details., but damn this is something special. I am on my 4 or 5th scotch but do let that cloud your perception of what I am saying. I knows what I am talking about.

You guys going direct to amp from DAC. Put this into the circuit (for $2500) and tell me it is not better.
yyzsantabarbara
That is an easy one for me. I have been blabbing on A’gon about which component I think is the real giant killer. It is the LA4 without a doubt. I say this because I think the LA4 can be used in all scenarios I have personally encountered. I do not mess around with tube amps so I have no clue about compatibility there.

If your preamp has some noise, and all the preamps I listed above do have some noise. My personal feeling is that the LA4 would be my preference in all of those systems. The unit does not look that nice so I can understand people not being interested in it. However, if you are looking for total silence from a preamp then this is the unit to try out.

I guess the question to ask yourself is, what do you want your preamp to do? As I said earlier, what I want from a preamp is a great volume control (how is it al low volume), multiple inputs for my 4 sources, and silence in the circuitry to not alter the sound in audible way. That is the HPA4/LA4.

The HPA4 also made me want to spend close to $3K more to buy an incredible headphone (Meze Empy), which I I love. I used to hate headphones and only bought the HPA4 instead of the LA4 because of reviews stating it was one of the best headphone amps in the world (for $500 more than the LA4). So I am listening to more music today at all hours of the day with the HPA4. That is a good thing.

The AHB2 is good or great depending on what you want from your amp. I can see 50% here liking it and 50% not. However, my perception of what a preamp should do makes me think most people would like it. Maybe my perceptions of a preamps role are not shared by others, I don’t know. I live in an audiophile desert, except for A’gon.

I have some new speakers now (Thiel CS3.7) and I am looking to get a second amp in the future with a warmer sound signature (with a caveat). The Luxman m900u (which I love) or the CODA #8 or #16 which I need to demo. The AHB2 is very good with these 2 Ohm speakers but it may not be great. The AHB2 was great with easier to drive speakers (KEF LS50) and I cannot use the AHB2 in mono for these new speakers based what I hear is feedback from Benchmark themselves.

Before I get a second amp (the caveat), I am working with a sound engineer to apply Digital Room Correction to my room (for DAC streaming only not analog sources). Going to be starting that project today with the microphone I just got. It will be done using Convolution file(s) running on my ROON Server.
I recently replaced an old Audio Research preamp with a Benchmark LA 4. It started when I connected my dac directly to my power amp and liked what I heard.  I began looking for a preamp that would accomplish the same thing but provide additional inputs, preferably balanced .  I read rave reviews of the LA 4 in both Stereophile and Absolute Sound.  I decided to order the LA4 from Music Direct since they allow a 60 day trial. I’ve been listening for several weeks now and concur with a yyz.  Great preamp at a bargain price.  Absolute Sound is promising a full review any time now since they have only published a brief summary. Also, it’s available in two configurations, the “shoebox “ shape it generally comes in and a rack mount shape which is longer and lower but exactly the same inside.  
I’ve not seen or heard one yet but definitely a product of interest to me.

Currently running Audio Research sp16 preamp in one system and a Bel Canto c5i integrated in another. Noise is not an issue in either case.
I have the HPA4 and love it. I’ve bought many high end preamps over the years. Most of the big names and I spent well over $20K on a couple of them but I’m convinced that the HPA4 is the best I’ve ever heard.

I’m running a full Benchmark system with Revel speakers at the moment. The DAC3B is a reference in recording studios for a reason. I enjoy it’s neutral reproduction. The HPA4 is like a straight wire into the ABH2 amp. I ran a single ABH2 for a few weeks. It is an outstanding amp but I bought a second one and a pair in mono takes the sound to a new level.

https://www.stereophile.com/content/benchmark-la4-line-preamplifier

https://www.stereophile.com/content/benchmark-media-systems-ahb2-power-amplifier

If I want color I have that option in speaker and amps that I can switch in and out. I haven’t been doing that since I bought the Benchmark system because it’s just that good.