GRAHAM SLEE Revelation (incl. PSU1 power supply)

$1,540.00

SKU: GSPJCRP



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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.

Revelation Switched Equalization Phono Stage Preamp

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.)

(GSPJCRP)

SKU GSPJCRP
Brand GRAHAM SLEE PROJECTS
Shipping Weight 1.5000kg
Shipping Width 0.260m
Shipping Height 0.100m
Shipping Length 0.160m
1 Year Warranty

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