Hello boys and girls, and ROBSCIX, leeperry and SpudHarris.
I was reading about 30 pages of your guys posts from "09 :P (after I bought the opamps unfortunately)
I'm on a quest to smoothen out a common problem with the STX, namely the harshness and bloated bass. This is especially a problem with the Denon D2000.
So I went and bought:
LT1057, AD797BR, OPA827AID, 2xLME49710HA and THS4032.
And wow bigger differences then I could have ever thought, I was worried the harshness was tied into the TI HP amp built into the STX, and since I am only rolling I/V opamps it limits things.
Anyway I thought I would throw back my feedback:
(Using MusicBee with Wasapi, 24bit/44.1kHz output and testing with the AKG K242HD for now, since its more analytical, makes it easier to spot differences.)
- SS:harsh, dynamic, crisp, bassy
- Bass:muddy and bloated
- Mids: perfect
- Highs: harsh
- Soundstage: Big (naturally) with accurate imaging but not neccissarily great,
- Speed: medium, slow with bass
- clarity test: 8/10
- Listening time: 35min at most
- SS: HARSHER!!!! very dynamic, very tight, unbelievable clarity, airy
- NO resonances or natural overtones, ultra crisp.
- I can see why they are one of the best, but definately not the nicest to listen to in this application.
- has some burn in time, harshness drops a bit.
- I can literally hear a musicians spit as he plays the sax
- Bass: tight, balanced, has it when its needed, but isn't emphasized
- Mids: overly tight, sharp
- Highs: extremely tight, way way way to sharp, and more painfully harsh then the JRC
- Soundstage: Big (naturally), bigger then JRC, great imaging
- Speed: very fast - contributes to tightness and over sharpness
- clarity test: 11/10
- Listening time: 15 min
- SS: naturaly Smooth and tight, loses some detail due to not being as dynamic, slightly oldschool feal?
- Does not like medium or low quality files (256kb mp3 and lower)
- reveals clipping issues and artifacts in MP3s(subpar files) very easily
- not good to pair with analytical phones
- Naturally smooth (doesnt artificially smoothen or sharpen), also it doesn't tame naturally harsh recordings
- wonderful resonances especially on the entire drum kit
- warm and cold: as need be
- very good at detail retrieval
- After burn in becomes much more involving
- a bit of noise.
- Bass: not overpowering, tight with good impact, maybe a bit slow, and distorts easily?
- Mids: perfect balance, but resonates like hell
- Highs: smooth and tight, pleasant
- Soundstage: medium, smaller then the JRC, good imaging
- Speed: fast but appears slow due to slight lack of dynamics
- clarity test: 6/10
- Listening time: 300min+ depending on songs, avoiding dynamic complex songs.
- THS4032 - perfect for AKG K242hd
- SS: Smooth, tight, very dynamic, very detailed, intimate, warm and bright
- Matches the JRC clarity, without bloating the bass and without being harsh.
- treble can be a bit much
- forgiving - doesn't clip
- Bass: impactful, good extension, not overpowering, textured well
- Mids: weighty, and slightly forward (prefect for akg k242hd)
- Highs: crystal clear, bright, emphasizes by the same amount as the denons naturally, crisp but not harsh.
- Soundstage: large (naturally), slightly smaller then the JRC, GREAT imaging, best out of them all
- Speed: fast
- clarity test: 10/10
- Listening time: 130min+ depending on songs, avoiding very bright songs
- SS: very warm, bassy, bright, lacks dynamics, slightly harsh
- more dynamic then LT1057, but way less then THS4032 and AD797BR
- Brighter then THS4032
- same amount of bass as JRC2114, and arguably same quality
- artificial feeling? voices aren't intimate (can be on the odd occasion)
- slightly sibilant in its over brightness.
- mids are strange.
- Bass: very textured, boosted by same amount as JRC
- Subbass in spades, muddied a bit
- Mids: natural sounding, if not a bit flat
- Highs: Overly bright, fatiguing, slightly harsh.
- Soundstage: medium-large (slightly artificial sounding) smaller then the JRC, imaging is good, nothing special
- Speed: slightly slow
- Clarity test: 6.5/10
- Listening time: 35min
- 2xLME49710HA (yes i did make it fit, was the off-height twin leaning towers of piza)
- SS: Tight, difficult to discribe, accurate, slightly warm, medium dynamics
- feels slightly warm, but sound is slightly disengaging
- more dynamic then OPA827, LT1057, but less than THS4032 and AD797BR
- smooth, crisp, can be harsh if the song is.
- can get fatiguing
- Bass: tight, smooth, probably the nicest out of them all
- Mids: seems a bit recessed, disengaging
- Highs: neutral
- Soundstage: Big (slightly artificially) with good imaging
- Speed: fast
- Clarity test: 7.5/10
- Listening time: 180min+ (with a few breaks)
I'm busy trying to fix a faux impedance decreasing adapter, since v1 has some crosstalk issues, before I test with the D2k, because the impedance mismatch makes it too bright, and too bassy.
Unfortunately now i want to test:
OPA132UA, LT1364CN8 (Is it worth going for the LT1363 in an adapter?), LT1208CN8, LT1122, LME49990
and I'm broke after paying $700 to fix my Honda Blackbird.... sigh... And just as a side note I am after balance and smoothness, and as much clarity as I can get with that. So far the THS4032 is the winner, but I have a feeling the LT1364 will take the spot