Pearl Graphene Ultra, £49,995
JMF only build one preamplifier. The PRS 1.5 comes from a long and continued line of development and technology and has been continually improved, upgraded and refined when possible. Like all JMF products these are designed to be reference units which last a lifetime so are internally upgradeable when new technology allows. This is dedication to the craft and to the investement that customers initially make upon purchase.
The PRS 1.5 is a dual mono design with fully balanced circuitry and a very short signal path, and relies on the innovative JMF developed CSV volume control. Other features include a subchassis construction with integral suspension system, JMF’s 24 carat gold analog printed circuit boards, PLS linear power supply technology and a proprietary Orose® enclosure made of 10 to 16mm thick anodized and brushed aluminum parts. Each PRS 1.5 undergoes 100 hours of soak test and individual hand calibration.
The PRS 1.5 feature set includes 3 balanced and 3 single ended inputs, 2 sets of balanced outputs and 1 unbalanced, fixed and variable output for active sub-woofers, a headphone amplifier, or tape loop. Bypass for a surround sound AV processor and a 4mm ground terminal. Each PRS 1.5 comes with th very sturdy JMF Audio MBR1 Remote Control, user selectable code-set to prevent from interference
LOTUS WRITES:
“When we first trialled the mighty Wadax Atlantis Reference Server and DAC and built test bed systems for it, we tried it with a number of statement preamps. Some of these can easily top £50-£60,000 pounds but surprsingly many were veiled and simply not good enough. You could hear them holding the Wadax back. It was a new lesson in ultimate performance envelopes.
There is no better unit than the PRS 1.5 to illustrate that price is often not a good metric for expected performance, nor for that matter is size and ostentatiousness. Quite simply, we have not heard a linestage which let more though, nor in a manner more complete, more neutral and naturally balanced. It is the ultimate in straight wire gain and I genuinely believe it’s an out and out bargain in todays marketplace. As an added bonus, it also includes hands down the best remote I have ever held. “
“As you won’t find a preamp that does what the PRS 1.5 does elsewhere, so you won’t swap it for The Next Big Thing.”
“The PRS 1.5 Preamplifier and HQS 6002 Amplifier they are clearly the most musically fulfilling amplification devices I’ve had the pleasure of living with.”
“Most amplifiers mess with the soundstage width or depth slightly, they either accent or push back the rhythmic properties of the music, flatten dynamics or compromise – even mildly – one aspect of the musical whole. These amps… don’t.”
“When I say that JMF Audio makes my favorite solid-state amps, I’m saying that these amplifiers transcend their specific category and circuit type and just play music”
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