Half-Speed Disasters

Linked here are more than 100 Half-Speed mastered records that have exceptionally poor sound compared to the Hot Stamper pressings we’ve auditioned, which inludes both vintage early pressings and reissues.

On this blog we detail precisely what problems Half-Speed mastering causes. These hundred or so pressings are proof of the damage it can do to perfectly good recordings.

Getting Who’s Next Exactly Backwards

Hot Stamper Pressings of the Music of The Who Available Now

A classic case of live and learn.

What follows is the commentary for the Canadian One Sided Half-Speed that we had auditioned around 2000. It came in a regular jacket, not the one you see pictured, and was part of a big overstock batch I had gotten my hands on a number of years before.

Getting It Exactly Backwards

Half of this record is Half-Speed Mastered! There’s an interesting story behind this album. Those of you who’ve been collecting audiophile records for a long time may remember that Who’s Next was released as an MCA Masterphile Half-Speed Mastered pressing produced in Canada. I remember liking it back in the day, which had to be 15 years ago at least. But they are very rare and I haven’t played one in many years.

I ran into some sealed Canadian pressings of Who’s Next, and when I cracked one open to play it I noted it had Masterphile written in the deadwax on one side. Apparently they had made so few Masterphile pressings that the metal work was still useable and they decided to press some “regular” records with one of the stampers.

And I remember I used to tell people that the good side, side one, was the Masterphile side. Then three or four years ago [circa 2000], I had occasion to play the record. Lo and behold, side one was bright and phony, and side two was rich and sweet, like the good Track Label pressings! I had gotten it exactly backwards.

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So at 45 RPM – One Side Bad, Another Awful, What’s a Mother to Do?

Hot Stamper Pressings of the Music of Peter Gabriel Available Now

In 2016 a version of So came out using this currently popular vinyl format:

2 180g discs / 45 RPM / Deluxe, Numbered, Limited Edition /Half Speed mastered

As of this writing, there are 15 copies on Discogs, the cheapest of them starting at $139.77.

Sounds like it must be pretty good for that kind of money!

This So release was mastered by a fellow named Matt Colton, who has been doing this kind of work for a very long time, judging by the fact that he has 3,775 technical credits under his name on Discogs.

That did not stop this particular 2 LP set from being one of the worst sounding albums we have played in quite a while.

Let’s take a closer look at the specifics. We played sides one and four of the two-disc, four-sided album. That was more than enough to evaluate the sound quality.

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MoFi Sure Added Plenty of Sparkle to These Acoustic Guitars

Hot Stamper Pressing of the Music of Ry Cooder Available Now

UPDATE 2026

This review is from many years ago, the last time we had a copy of the album in stock to play. Hard to imagine I would not still agree with it though.

As you probably know, the MoFi of Jazz goes for big bucks nowadays — $500 and up. Is it worth it? 

You’ve got to be kidding. It’s a nice record as far as it goes, but it suffers from the same shortcomings as just about every Mobile Fidelity pressing we bother to play these days (with some obvious exceptions of course).

We have a test pressing, and knowing that the MoFi is the standard against which many audiophiles prefer to judge our Hot Stampers, we listened to it first before going about our comparison test.

Our MoFi copy is actually tonally correct, which was a bit of a surprise. (Yours of course could very well be otherwise.)

Right away we could hear exactly what people like about it, the same thing that has always impressed audiophiles about half-speed mastered records: their often outstanding transparency.

Jazz on MoFi has zero-distortion, utterly clear, spacious, see-through sound.

But listen past that and what do you hear?

Don’t those guitars seem to have that MoFi Tea-for-the-Tillerman “sparkly” quality you hate: all pluck and no body, all detail and no solidity?

Nothing has any weight.

Nothing sounds natural.

Nothing sounds real.

It’s pretty, maybe, but it sure ain’t right.

It’s the kind of sound that shouts out to the world “Hey, look at me, I’m an audiophile record! See how I sound? So clear! So clean!”

Which isn’t bad for about two minutes, and then it’s positively insufferable.

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Back to the Stone Age with The Pines of Rome on Mobile Fidelity

Hot Stamper Pressings on Decca & London Available Now

An audiophile hall of shame pressing and another MoFi LP reviewed and found wanting.

MoFi’s version of this The Pines of Rome (#1-507) is one of the worst sounding classical records they ever produced, and that’s saying something, because practically all of their classical catalog is just awful — thin and bright, with sloppy bass and completely unnatural string tone.

As hard as it may be to believe, the MoFi of the Pines of Rome makes the typical Classic Records pressing sound good, shrill strings and all.

The UHQR is somewhat better, especially in the lower octaves, but it’s maybe a D+ or C-, not an audiophile record if we are using the term to mean what it no longer means —  a pressing with higher quality sound. (more…)

The Most Serious Fault of the Typical Half-Speed Mastered LP?

Hot Stamper Pressings of Revolver Available Now

UPDATE 2026

This commentary must be fairly old because we haven’t bothered to play anything put out by Sundazed in longer than I can remember.

The most serious fault of the typical Half-Speed mastered LP is not incorrect tonality or poor bass definition, although you will have a hard time finding one that doesn’t suffer from both.

It’s dead-as-a-doornail sound, plain and simple.

And most Heavy Vinyl pressings coming down the pike these days are as guilty of this sin as their audiophile forerunners from the 70s. The average Sundazed record I throw on my turntable sounds like it’s playing in another room. What audiophile in his right mind could possibly find that quality appealing? (Apparently the guy who wrote this absurd list of records you should buy It has a number of inexcusably at best mediocre and mostly awful sounding Sundazed records.)

But Sundazed and other companies just like them keep turning out this crap. Somebody must be buying it.

So how does the famous MoFi pressing of Revolver sound? In a word, clean. Also not as crude as the average British import, and far better than any Japanese or domestic pressing we heard.

But it’s dead, man. It’s just so dead.

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MoFi Proves Once Again It Has No Idea How to Make a Good Record

Hot Stamper Pressings of the Music of Women Who Rock Available Now

We recently auditioned the Mobile Fidelity pressing of Learning to Crawl and wrote down our impressions as the record was playing that you see below.

We try to be very specific about the strengths and weaknesses of the records we play, which is why we reproduce our notes — in this case for audiophile records — whenever possible. (There are plenty of shootout notes for vintage pressings on the blog as well.)

The title at the top of our post-it sets the stage for what you are about to read: the specific faults of an “especially bad MoFi.”

Do they make any other kind? Well, sometimes, to be sure, but the good ones are few and far between.

It must be hard to make a record sound this bad, but if anyone can do it, Mobile Fidelity has proven that they are the men and women for the job. Let’s get down to brass tacks.

Side One

Dull drums at intro.
Bass compressed and wooly.
Vocal present and hard.
Everything else recessed.

Side Two

Very dry snare and guitar.
Flat, edgy and lifeless.
Not even clear.
Just shitty.
Lacks bass here too.

Consensus

NFG.

This one definitely belongs in the Mobile Fidelity hall of shame (along with 66 of their other titles). My CD sounds better.

To aid you in understanding just how lost the buyers of these audiophile records are these days — and who am I to talk? — we reproduce the five most recent reviews from Discogs as of 5/2026 below.

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Double Vision – MoFi Reviewed

Hot Stamper Pressings of Classic Rock Albums Available Now

This title is yet another record that belongs in the audiophile hall of shame.

Like most Mobile Fidelity pressings, it’s better suited to the stone age stereos of decades past.

There is a Mobile Fidelity Half-Speed Mastered version of this album currently in print, and an older one from the days when their records were pressed in Japan (#052).

We haven’t played the latter in years; as I recall it was as lifeless and sucked-out in the midrange as many of the other famous MoFi’s of that period, notably The Doors (#051) and Trick of the Tail (#062), which is perhaps the most lifeless record this ridiculous label ever released.

Is there any doubt that the newer MoFi pressing of the album will be every bit as bad or worse? (more…)

Should You Feel Guilty about Owning the CBS Half-Speed?

Hot Stamper Pressings of Rock and Pop Albums Available Now

UPDATE 2026

The review you see reproduced below was written in 2010 or so. As embarrassing as it may be in the eyes of some audiophiles, I think I actually owned the very pressing we reviewed at the time.

Back in the dark days of the 80s, if an audiophile pressing sounded better than whatever random domestic copy I had managed to find — not knowing anything about pressings variations — I would unhesitatingly give it a home in my collection.

As far as I was concerned, it was the best way to hear the music, and what could possibly be more important than that?

I didn’t see it as a stopgap or benchmark the way I would now. For the purposes of enjoying the music, the Half-Speed was simply the best available pressing I was aware of at the time.

(“I was aware of at the time” is at the heart of every mistaken judgment we audiophiles make. We can’t be blamed for not knowing what we don’t know. What we can be blamed for is not acting on the available information that makes it easy to learn just how much we don’t know and what we may be missing as a result.)

Keeping bad sounding records in my collection is something that I did with many of the records I owned, long after I should have known better, including a favorite of mine, Powerful People. When my stereo finally got good enough to show me how badly MoFi had ruined the sound, I was mortified.

But all through the 80s and 90s I cannot deny that I played that Mobile Fidelity pressing scores of times and loved every minute of it. Thrilled to it even. The Half-Speed of Guilty too, just not as often. (How much of Barbra Streisand’s nasally-singing can one man take? We all have our limits!)

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We Drop the Needle on Another Sad Excuse for an Audiophile Pressing

More on the Subject of Half-Speed Mastering

This is an A&M Audiophile Sampler, made in Canada and pressed on Japanese vinyl .

There is a bit of a story behind this title. It’s not the kind of record we normally would buy, or even bother to play truth be told.

A customer had emailed us saying it sounded great. It was cheap so we grabbed one for fun. Our notes read:

  • Sucked out middle
  • Clean and hard (maybe like a CD?)
  • This sucks

Hard to imagine one of our customers liked the sound of this pressing, but I assure you that one of them did, so make of that what you will.

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Remastered, But Why on Earth Would They Bother?

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Supersax Plays Bird is awful music with awful sound.

In 1980 this record single-handedly convinced me that MoFi would lower themselves to remastering records that have little in the way of actual musical value.

UPDATE 2022

I just looked up the mastering engineer credited with cutting the original pressings in 1973, Wally Traugott. Now what are the chances that Stan Ricker cut this record better than Wally Traugott? One in a million? That would be my guess.

Which simply means that the right domestic pressing on Capitol might just be a good sounding record.

But why should anyone care? The music is hopeless.

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