*Record Mysteries

What’s More Important – The Right Label or the Right Stamper Numbers?

Hot Stamper Pressings Featuring the Violin Available Now

In this case, since the stampers are the same, it’s the label that tells you how good your pressing may — heavy accent on the may — sound.

Lately we’ve been having exceptionally good luck with the early label pressings of many of the London violin concerto records we’ve done shootouts for.

However, the notes you see below do not belong to the wonderful Sibelius record pictured here.

They belong to another London record. We give out lots of bad stampers on this blog, but almost never do we give out the good ones. (When we do give out the best stampers, we usually keep the title a mystery, as is the case of the record here. To see the other titles whose Shootout Winning stampers have been revealed, please click here. The list to date is short but not to worry, more are on their way.)

The amazingly good sounding pressing on the early label took the recording to another level. Our shootout notes read:

  • Amazing violin sound and performance.
  • Very dynamic and realistic.
  • So much subtlety.

Key Takeaways

  • The top four copies all had the same stampers, yet the sound varied noticeably from side to side, from Super Hot (A++) to White Hot (A+++), with one earning the grade between, Nearly White Hot (A++ to A+++).

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Caribou Is Usually Noisy and Sounds Bad, But Why?

Hot Stamper Pressings of the Music of Elton John Available Now

There’s a good reason you’ve practically never seen this album for sale on our site. In fact there are quite a number of good reasons.

The first one is bad vinyl — most DJM pressings of Caribou are just too noisy to sell. They can look perfectly mint and play noisy as hell; it’s not abuse, it’s bad vinyl.

Empty Sky is the same way; out and out bad vinyl, full of noise, grit and grain.

The second problem is bad sound. Whether it’s bad mastering or bad vinyl incapable of holding onto good mastering, no one can say. Since so many copies were pressed of this monster Number One album (topping the charts on both sides of the Atlantic):

  • Perhaps they pressed a few too many after the stampers were worn out.
  • Or pulled too many stampers off the mother.
  • Or made too many stampers from the father.
  • Or used crap vinyl right from the start.

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WW, LW, JW? Which Stampers Sound the Best?

Hot Stamper Pressings of Rock and Pop Albums Available Now

UPDATE 2026

In 2005 we acquired more than a dozen sealed copies of a popular Warner Bros. title, how I don’t remember. (For now we are keeping that title, and even the band that recorded it, a mystery. It might have been The Doobie Brothers, but then again, it might not.)

Our story goes like this:

Knowing that no two of these pressings would sound exactly the same, we decided to crack them open, clean them up and play them.

2005 was very early in the development of Hot Stamper Shootouts. By 2007 we were much better at them, and not coincidentally, that is also the year we decided that Heavy Vinyl pressings were just not good enough for us to bother selling.

All three of the major stamper prefixes for Warners were represented in the various matrix numbers: WW, JW and LW. Once we started to play them it quickly became clear that most copies of this record just do not sound very good.

The typical copy is hard, midrangy, opaque, dull and badly lacks Tubey Magic.

Only one of the prefixes — WW, JW, LW — actually has any hope of sounding good, and surprisingly it’s not the one I would have expected it to be. Live and learn, right?

We liked either JW or WW back in 2005, I don’t remember which, but the evidence we compiled over the ensuing twenty years contradicted that finding.

Live and learn is right, because since the dark days of 2005, we have done this shootout many times, at least five by my count, and it turns out that the stampers we tend to like are exactly the ones we tend to like in general for Warner Bros.

Here is the full stamper sheet from a shootout we did not long ago laying out the stampers we like for this mystery title: LW, with low numbers.

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Symphonie Fantastique – Three Mastering Options

Hot Stamper Pressings of the Music of Berlioz Available Now

UPDATE 2026

Years ago we played a reissue of the title you see pictured which prompted us to make some observations and ask some questions about the approach the mastering engineer might have taken.

And this one comes complete with the bonus 7″ entitled “Berlioz Takes a Trip,” in which Bernstein explores the work “with musical illustrations by the New York Philharmonic.”

Clocking in at around 45 minutes, Symphonie Fantastique is a difficult work to fit onto a single LP,  which means that the mastering engineer has three options when cutting the record:

  1. Compress the dynamics,
  2. Lower the level, or
  3. Filter the deep bass.

On this side two it seems that none of those approaches were taken by the engineer who cut this record in the early 80s — there’s plenty of bass, as well as powerful dynamics, and the levels seem fine.

How he do it? Who knows? Like so much in the world of records, it’s a mystery.

What’s Your Theory Then?

Side one, however, is bass shy. Did the engineer filter out the lower frequencies, or is it just a case of pressing variation being the culprit. Who can say?

If we had many more copies with these same stampers for side one, all with less bass, we might be able to draw a conclusion about that, one that might be highly probable but of course not dispositive, black swans being a regular part of our experience.

The very next copy we might find with those stampers could have plenty of bass.

Then we would be forced to say that our highly probable theory had been falsified conclusively.

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What Exactly Does Van Gelder Stamped in the Deadwax Tell You?

Hot Stamper Pressings of CTI Titles Available Now

The section of the stamper sheet we wrote up after our most recent shootout belongs to George Benson’s White Rabbit album, the one released by CTI in 1972.

We think these stampers illustrate an important reality regarding the variability of record pressings, and it’s one that we run into on regularly during shootouts.

Keep in mind that the notes you see were made without the listener knowing what the stamper numbers were for the copy being evaluated. Some relevant facts:

  • Rudy Van Gelder cut all the original domestic pressings for the album that we played in our shootout since those are the only ones we know of to have the potential for Hot Stamper sound. (Hint: forget the reissues, imports, etc.)
  • The stampers for the two copies you see below were the two worst performers out of the six we had to work with. (We started out with more than six copies to audition. Unfortunately, some of the copies we clean and play get tossed out during the shootout for having noise issues — scratches that play, bad vinyl, inner groove distortion, etc. Noisy copies of  fairly common jazz records are not saleable no matter how good they sound.)
  • The top pressing shown below earned good, not great Hot Stamper grades of 1.5+ on both sides. This is the minimal rating any Hot Stamper pressing must earn to be offered to our customers. As you can see, A12/B2 are the stampers for this pressing.
  • There was another A12 side one in our shootout that did slightly better, earning a 2+ grade. The pressing you see at the bottom also had an A12 side one, but it did not make the grade. (The N/A means we didn’t play side two of that copy because the 1+ side one makes the record not worth the bother.)

We know that White Rabbit is an outstanding George Benson album, recorded by the immensely talented Rudy Van Gelder himself. All the original pressings were mastered by him as well. We’ve been doing shootouts for the album for more than a decade and in that time have heard some amazing sounding copies. I don’t recall one ever being returned, for any reason.

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Is It Hard for You to Imagine Similar Stampers Sounding So Different?

Hot Stamper Pressings of Living Stereo Recordings Available Now

Subtitle: it’s also hard to imagine that space and time are two aspects of the same reality, spacetime, but that’s why we employ rigorous scientific methods to test our theories and — in some cases — prove ourselves wrong.

We here at Better Records like testing records. We want to know if the predictions we make about the titles we play are accurate, which is simply to say, do they match the data derived from our blinded shootouts?

In the case of the stampers for this mystery title, it turns out that whatever intuitions we may have had going in would have been no help at all. Who could possibly predict that, for sound quality on side one, 13s would substantially beat 12s, 12s would beat 15s, and that 15s would beat 11s.

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Graham Nash’s Wild Tales and Their Mysteries Many and Deep

Hot Stamper Pressings of the Music of Graham Nash Available Now

What hurts so many pressings of this album is a generally lifeless quality and a lack of presence in the midrange.

Were the stampers a bit worn for those copies, or no good to start with, or was it bad vinyl that couldn’t hold the energy of the stamper, or perhaps some stampers just weren’t cut right?

Maybe it’s something as simple as the pressing plates going out of alignment at some point in the cycle?

Don’t ask us. We sure don’t know. And one thing we’ve learned over the years is not to pretend to.

These are record mysteries, and they are mysteries that will always be mysteries, if for no other reason than the number of production variables hopelessly intertwined at the moment of a pressing’s creation can never be teased apart no matter how smart you are.

As we never tire of saying, thinking is really not much help with regard to finding better sounding records.

Not surprisingly, we’ve found that cleaning and playing them seems to work fairly well.

Those two things work fairly well because nothing else works at all.

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Could This Be the Sound Audiophiles Complain About with Vintage Pressings?

Hot Stamper Pressings of the Music of Red Garland Available Now

A rare and expensive (!) early stereo pressing that we played in a recent shootout for Bright and Breezy was passable at best.

As you can see from the notes reproduced below, we found the sound to be “sweet, relaxed, but badly veiled and lacking weight and bass.” (Note that records without a 1.5+ grade or better on both sides are not considered Hot Stamper pressings.)

In other words, it sounded too much like an old record, and not a very good one at that. The world is full of them. (For this album, clearly the best sound is found on the right OJC.)

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3s Can Have Amazingly Good Sound, or 3s Can Have Mediocre Sound

Hot Stamper Pressings of Living Stereo Recordings Available Now

But how can you tell which 3s copies sound amazing and which 3s copies don’t?

Below you will see the stamper sheet for a shootout we did not long ago.

A lot of our stamper sheets look like this one, close to half I would guess.

As you can see, the stampers and the sound are all over the map. This is not the least bit unusual in our experience. It’s simply the nature of records — they tend to come off the press with very different sound depending on factors that no one seems to understand very well, not even us!

Note that the album you see pictured is not the record we did the shootout for.

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What Can You Learn from a Mercury Shootout Like This One?

Hot Stamper Pressings of Mercury Classical Recordings Available Now

The short answer is that you can’t learn much from this shootout, because we’re not telling you which title the stampers you see below belong to.

Be that as it may, in the case of this mystery title the conventional wisdom turns out to be correct — the earlier numbered pressings did better than the later numbered pressings, and the early labels did better than the later labels.

That happens a lot, and we are happy to admit that it does. Why? Because the experimental evidence — the data — say that is what happened.

As usual for posts in which the stamper sheet from a shootout is reproduced in its entirety, the stamper numbers shown below will belong to a different album than the one you see pictured.

These can be found under the heading of Mystery Stampers. Most of these posts will illustrate something to be learned from a Hot Stamper shootout, but because the information reveals the shootout winning stampers, the actual title of the record is rarely revealed.

Much more useful stamper information can be found using this link, which includes plenty of stamper numbers for specific titles that are best avoided by audiophiles looking for top quality sound. In addition, we post the winning and losing stampers for some titles that are an unreliable guide to good sound. Unreliable stampers are also quite common.

The right stampers are only one of the many reasons some copies win our shootouts and others don’t, but in the case of this rare Mercury, a record that we only had four copies of, the RFR-2/2 stampers were clearly the best, with no other set of stampers coming close. The best of the others earned grades no better than 2+/2+.

One lesson that was clear was that the best stampers were, to quote our reviewer, “a step up!”

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