Marantz PM-17 Preamp Reviewed

Marantz PM-17 Preamp Reviewed

While Marantz may be largely focused on home theater products as of late there's still an audiophile heart beating within the manufacturer's walls evident in the release of their PM-17 preamp, which captures a lot of the classic Marantz magic but in a far more modern design.

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Having established itself as THE brand for affordable audiophile CD players, Marantz is going out of its way to prevent what's known as 'cherry-picking'. Cherry-picking happens when a brand has one outrageously successful product, but the rest of the range is just so-so; retailers order the star item by the truckload, but rarely stock anything else from the range. In Marantz's case the company would prefer to see its myriad SE-suffixed CD players connected to Marantz amplifiers, and the company has already issued plenty of decent amps worthy of the CD-63SE K.I., et al. But last year the company launched a Ken Ishiwata'd CD player further up the price ladder, and the competition hots up when you're finding homes for £1100 source components.

Additional Resources
• Read more preamplifier reviews from HomeTheaterReview.com.
• Find a receiver to integrate with the PM-17.

MC reviewed the CD-17 K.I. Signature last May; it took until late '97 before the PM-17 amplifier arrived. But it was worth the wait, especially as Marantz decided to make it part of a complete set-up, thus cross-pollinating with another genre. By releasing the ST-17 tuner as well, the K.I. Siggie owner can now create a system offering full remote control of the three components, as well as uniform aesthetics. (Before you ask about suitable speakers, note that Marantz distributes Tannoy in the UK, so they'd prefer it if you sourced your speakers from Scotland.)

You already know about the CD-17 K.I. Signature, its built-to-boogie solidity, sleek low profile and involving, up-front sound. Imagine a CD-63 Mk II SE K.I. exhibiting even greater refinement and better dynamics and you've got its measure. What the matching amp and tuner had to do was reflect this level of sound quality, while sharing the ultra-luxurious finish, feel and functionality. And, given the success of the CD-17, the need for stablemates was pressing: its unique look makes the CD-17 stick out like a Ferrari amongst Fords when sharing shelf-space with most other amps.

Although the 17-Series is offered in black, as was the sample photographed for MC's article, the system really does blossom in a coating of traditional Marantz champagne/gold. It creates a delicious visual contradiction, the gold colouring making the equipment look light and delicate, when the tuner weighs an impressive 5.1kg and the amplifier a meaty 15kg. These are not filled-with-air boxes but substantial constructs which will impress the hell out of you when you unpack them. It's what you'd expect if Porsche ever made hi-fi equipment.

Although you can stack them, you won't be able to put the amp on top as habit would dictate, because it's deeper (and a bit taller) than the CD-17 and the ST-17. They share footprint dimensions of 454x300mm, while the CD player is 81mm tall and the tuner a mere 68mm. The amplifier requires a slot measuring 454x110x444mm (WHD). But I managed to stack 'em with the amp below, and I worried not at all about too much heat, thanks to the system's first talking point: a front-panel mounted temperature gauge.

Try though I may, I can't name another component - not even an all- valve or pure Class-A solid-state amp - which comes fitted with a thermometer. The PM-17's 'Warm-Up Meter', though, tells you more than whether or not the amp needs more ventilation; as its moniker suggests, the gauge tells you when the amplifier has reached the operating temperature for best performance. After roughly 30min depending on ambient conditions, the needle should reach the 2/3rd point on its arc. I ran it for days at the bottom of a stack, admittedly on an open surface, and the needle never moved past the optimum point.

It's tweaky touches like this, along with the extra-large feet, the overkill socketry, the heavy-duty binding posts and a source-direct setting bypassing the tone and balance controls which allow the '17 to remain firmly a part of the audiophile camp, despite remote control status and interior-decorator-friendly looks and dimensions which place it in the 'Next Level Above Midi' arena. The aforementioned cross-pollination between genres is simply the blending of audiophilic performance with convenience, tempering the minimalism of short signal paths and by-passable circuitry with the niceties that midi-system owners take for granted. Buy if the cynic in you thinks that there's a sonic price to pay for these luxuries, check out what's on offer besides a hand-held IR commander.

From left to right, the PM-17's front panel offers a source selector marked 'Phono', 'CD' and line inputs 1-3. The differences are reinforced on the back panel, which features a button to choose between mm and m-c for the phono stage and an earthing post, while CD is singled out from the other line sources with more substantial phono sockets, although all of the connectors are gold-plated. Below the source selector is a headphone output, then a row of controls for record selection, the choice of two tape decks, a speaker on/off button and the IR receptor. The thermometer is positioned dead-centre, above the on/off switch. To the right are balance, bass and treble, the rotary volume control, and the source direct selector for by-pass mode.

Although rated at 60W/ch, the PM-17 acts like an amp boasting three times that power. Driving either the Apogee LCRs or ATC's A7s, it never required a setting past the 11 o'clock position for near-headbanging purposes firing lengthways down a 22x14ft lounge. And however precious its low profile and remote control makes it seem to purists, the PM-17 was designed for a hard life. Among its design details are an overspecified power supply with a 'Super Ring-Core Power Transformer' (which I think is Marantz-ese for a toroidal), dual-mono construction, a 4-gang active volume control, silver-relay input selection and the aforementioned hefty chassis to create a vibration-free environment. External confirmation of the purist intent also includes enormous WBT speaker terminals and pre-amp out socketry for driving a second amplifier.

For serving as the heart of either a purist's system or a facility fanatic's operations centre, the PM-17 seems to have everything covered. It just seems so right, whatever hat you're wearing at the time. The sheer convenience of its comprehensive remote control, with buttons which change function according to which source is selected, the fuss-free behaviour, the comprehensive source routing options - it's one of the most 'fun' Marantz integrateds since the legendary PM-4. What makes it a prime candidate for those who hate to mix brands, though, is the existence of a matching tuner.

Read Page 2 for The High Points, Low Points and Conclusion

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RDS is something which comes in handy in the car - I wouldn't be
without it on the accursed M25 - but not something I'd ever felt to be
necessary for home use. Then again, I live in what is probably the
biggest transmission hell-hole in England: East Kent. Still, I managed
to trigger all of the RDS functions, and got a minor, if transient kick
out of seeing legends scroll by, e.g. "Status Quo Rockin' All Over The
World". Given that I still use tuners so devoid of frills like presets,
let alone the facility to program names for each preset, I must point
out that I was more impressed by the ST-17's beautifully weighted
'gyro' tuning wheel, reminiscent of older Marantz tuners. Amusingly, it
also selects presets, but you have to develop a feel for it; it's
actually easier to access the presets from a numeric keypad, as on the
remote control.

For such a cleanly-styled device, the ST-17 actually boasts a fair
number of controls. In addition to the comprehensive digital display
and the gyro wheel, the ST-17 also provides selection between two
aerials and wide or narrow bandwidths, both functions monitored by
LEDs, a display mode button, a mono button and the myriad keys needed
to address RDS functions like station labelling. LS, SW and FM bands
are offered, along with 60 presets, and the ST-17 is one of the most
substantially-built tuners this side of a Sequerra or a Trio L-01T -
both of which were used for comparison.

And, surprise, surprise, the Marantz slaughtered by these
lofty rivals. How much of it's down to what RDS does to the signal and
how much of it is simply the newness of the ST-17 versus the vintage
Sequerra and Trio I can't say, but the new differed from the old by
exhibiting a character which I can only describe as 'digital'. No, the
difference isn't entirely analogous with that noted between CD and LP,
but it's not that far-fetched a concept. The ST-17 sounded cooler, more
detailed and more forward. On live broadcasts, it came close to the
Trio for scale, but the Sequerra produced a wider stage. Given that all
shared the same aerial and the signals strengths were at maximum, the
ST-17 revealed a slight edge over its OAP rivals through far quieter
backgrounds.

Both the Trio and the Sequerra delivered softer, sweeter highs, but
the Marantz demonstrated faster attack. Bass was drier, too, the Trio
and the Sequerra less suited to the sort of row created by electronic
music. On spoken word, the Marantz avoided chestiness, but exhibited
slightly hissier sibilants. Choosing between 'em? Let's just say that
the qualitative differences are so fine that I wouldn't put it past
regional transmission differences to turn it all around. Suffice to
say, the sessions proved that the ST-17 is a stunning
tuner...especially at 599.

Read a review of the Sequerra Model 1 FM tuner here.

Yup -- 599 for a tuner not embarrassed by an old but revered
Sequerra, or one of Trio's (now Kenwood) sleepers. In fact, it sounded
a lot like a radio version of the CD-17, which boded well for the
system as a whole. Provided the PM-17 complemented the two.

Which it did in spades. As with the Audio Research SP8/VT60 package
reviewed elsewhere in this issue, the combination yielded a silky,
satisfying 'whole' - further confirmation, if any were needed, that
one-make systems can provide undeniable coherence often missing from
mixed-brand assemblies. Or achievable with the latter only through
careful selection and painstaking set-up. Which is something precluded
from Series 17 ownership: set-up was as simple as it gets.

Feeding non-Marantz sources, including the Theta Data III/Pro Gen Va
digital front -end, the aforementioned tuners and a Thorens
Jubilee/Audio Technica AT-F3 to sample the phono stage, the PM-17
emerged as the star of the system. However wonderful the CD-17 K.I.,
it's still an 1100 CD spinner and therefore one of a number of superb
contenders. The ST-17 Tuners are dependent on radio, which sucks in
the UK, so it's about as viable and liberating a source as 8-track,
however good it sounds. But they do complete a system based on the
PM-17, which - if you follow that reasoning - has the toughest job to
perform. But, wow, does it perform.

Its driving capabilities are not an issue, the Apogee LCRs, old Quad
ESL, Rogers LS3/5As and ATC A7s - as varied a mix as you could assemble
- all working well with its 60W. It always erred on the sides of
neutrality and transparency, and so admirably that I was able to A/B/C
the three tuners in its three line-inputs with immediately discernible
results. But that's not to say it lacked character.

At times, the Marantz could sound - especially driven by the CD-17 -
like a slightly less commanding version of the Krell KAV300i
integrated: a bit less slam, a trace less bass extension, but almost as
satisfying for overall competence. More direct competition, Roksan's
delightful Caspian for example, sounded more tube-like if less precise.
What the PM-17 possesses, what makes it so like the Krell, is its
resemblance to pure Class-A designs costing a load more money.

It never screams or shouts, yet it's never reticent. The freedom
from constraint, demonstrated by the way it handles all types of
speakers with ease, unchallenged by their impedances, makes you think
that you spent a lot more than 899. The value-for-money element is
reinforced by the build quality, the styling and the surfeit of
facilities. And while it's never wise for a hi-fi product at this point
to attempt to be all things to all men/women, the PM-17 comes
microscopically close.

I can already feel the saliva welling up in the corners of my mouth in anticipation of a K.I. Signature version...

Additional Resources
• Read more preamplifier reviews from HomeTheaterReview.com.
• Find a receiver to integrate with the PM-17.

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