Revelation Switched Equalization Phono Stage Preamp
£777.00 GBP VAT inclusive
Phono Stage For 78's, Pre & Post RIAA Vinyl Records
The Revelation phono-stage preamp provides the correct EQ for virtually every
gramophone record ever made.
It has 7 equalisation networks which combine using three 3-way front panel
switches to equalize 15 different recording curves - 12 of them equalize known
record label recording curves including the modern-day RIAA - 3 are for
experimentation.
For the response
curve charts and information about
re-mastering 78's,
copying old records to CD and noise reduction click here.
Reflex Phono Stage Preamp Performance
The Revelation phono stage preamp is based on our highly successful
Era Gold
Reflex phono stage preamp.
The Era Gold Reflex was positively
reviewed by Michael Fremer in September
2007's Stereophile magazine and was awarded recommended system component in the
October edition, listed as a "class A" component
along with the much coveted triple dollar value-for-money sign.
Re-mastering 78's and Vinyl to CD
Like the earlier Jazz Club phono-stage preamp, it is trusted by re-mastering services large and small to take the hard work
out of re-mastering 78's and pre RIAA vinyl records - giving far better results
than their previously used conventional and complicated equipment line-up.
It too is also owned by many private enthusiasts who find it invaluable in
archiving records of all era's and genres onto CD with minimal fuss, or simply
enjoying listening to older records restored to their correct tonal balance.
The wideband phono stage preamp technology it uses is unique to Graham Slee,
and it not only makes old records sound more realistic with its openness and
"airy" transparency, it often removes the need to de click because our wideband
technology doesn't emphasize record damage noise like most phono stages do.
Design Features
The Revelation uses many similarly selected components from branded specialist
high-quality audio component manufacturers as the
Jazz Club. These are not "boutique" or
"designer" components but components selected on real technical merit, and the
difference they make, on listening, is obvious.
It differs from the Jazz Club phono stage in its internal grounding method as
well as its equalisation network impedances. The grounding method has been
optimized further to extract even more of the subtle detail, which takes the
listening experience another step closer to reality, whatever the music's genre.
The EQ network impedances have been lifted to further exploit the ultra-high
slew rate of its amplifier stage. These improvements make the Revelation phono
stage and the Reflex on which it's based the ultimate in live sounding phono
stages, as attested by
Michael Fremer comparing live and reproduced music
performances.
Like all our wideband designs, best performance is obtained by the unit being
powered continuously, and a period of "burn-in" (approximately 3 weeks) should
be observed for its components to fully form and stabilize. To ensure proper
continuous correct operation, the Revelation phono stage is supplied with our IEC
approved PSU1 in-line power supply unit. Voltages and cord-sets are country
specific and are included with the PSU1
The cartridge sensitivity and gain is fixed for Moving Magnet or High Output
Moving Coil pick-up cartridges and the input impedance is 47k Ohms. For use with
low output Moving Coil pick-ups, the Elevator EXP head amplifier should be used
ahead of the Revelation. These stages are designed to work together to give an
unsurpassed moving coil performance for their price-bands and far beyond.
A mono switch is included on the rear panel to conveniently use a stereo
pick-up for mono work. For exacting mono work a mono pick-up should be used in
stereo mode and the unused input shorted. It is not advisable to convert stereo
recordings to mono using a mono switch as the summing function puts emphasis on
centre channel signals.
Specification
typical measured results.
| Nominal Input
sensitivity: |
4 mV rms ref 1kHz |
| Maximum input: |
40 mV rms ref 1kHz |
| Nominal output: |
532 mV rms |
| Maximum output: |
5.3 V rms prior to clipping at any
frequency |
| Gain: |
42.5 dB (133) |
| Input
resistance: |
47k Ohms |
| Input
capacitance: |
100 pf |
| Recommended
minimum load impedance (output): |
10k Ohms |
| Noise: |
-68 dB CCIR quasi-peak 20Hz - 20kHz |
| Distortion: |
0.02% |
| RIAA accuracy: |
0.2 dB at each measurement point |
| RIAA Frequency
response: |
20Hz - 20kHz |
| Extended RIAA
Frequency Response: |
20Hz - 50kHz |
| Non RIAA
Frequency accuracy: |
Refer
to charts |
| Bandwidth: |
1.6MHz limited by input filter |
| Channel balance: |
0.2 dB |
| Channel
separation: |
64 dB |
| Case Size: |
107 x 165 x 45 mm ex. connectors,
controls and feet |
| Weight: |
0.7 kg approx. (PSU1: 0.7 kg approx.) |
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