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GRAHAM SLEE
Reflex M PSU1
Phono Pre-Amplifier MM (+ PSU1 Power Supply)
3,899.00 RON (TVA inclus)
Compara
Cantitate:
Stoc:DISPONIBIL
GRAHAM SLEE - muzicalitate si calitate la un pret incredibil si dimensiuni miniaturale.
Versatile, usor de utilizat si mai ales "prietenoase" din punct de vedere al matching-ului
cu celelalte componente din sistem (Pick-up, Amplificator sau Casti), produsele
GRAHAM SLEE si-au facut un renume demn de invidiat de-a lungul timpului.
Fabricate exclusiv in UK, manual, au dobandit nenumarate premii de-a lungul timpului,
devenind celebre in egala masura atat Phono Stage-urile cat si Head Amp-urile.
Din 1 Februarie 2017, in Romania, la STEREO PLANET.
Effortless Dynamics and Fascinating Spatial Imagery
The Reflex M phono preamp will deliver a masterful performance from your vinyl records.
Not only that, but it will give you a convincing and stable stereo sound stage with a sense of height and depth
as well as horizontal positioning.
Made for high output cartridges in the region of 1.6 - 9.2 mV (MM; HOMC; MI), it can also be partnered with
our Elevator EXP step-up amplifier, with which it makes an excellent phono preamp combo suitable for low-output (MC)
magnetic cartridges.
The Reflex M is available with basic power supply, or the better PSU1 power supply, and a choice of voltages and
ower plugs.
There is also an option to have a mono switch fitted.
Why You Need a Dedicated Phono Preamp for a High-Output Cartridge
A switchable MC/MM phono preamp will give you the convenience of being able to switch between cartridge types,
but it won't be able to make MM and other high output cartridges perform at their best!
That's because its input has got to be optimized for low-output moving coil - it has to be an ultra-low noise input, and
ultra-low noise inputs have low saturation voltages (that's a fact).
When switched to MM and your high-output cartridge sends a large-transient upper-midrange music signal to it,
the input saturates and is shunted by the second stage's integrator capacitor which is:
a) the wrong load, and: b) seriously affects a thing called "slew-rate" - it slows right down - considerable distortion is the result.*
It's OK if your music is quiet all the way, but music is dynamic and hits transient peaks.
Recording desk PPM meters red-line at +8dB (2.5 times the signal), but in reality the signal overshoots to nearer +14dB
which is 5 times bigger.
Add the fact that magnetic cartridge output voltage rises in proportion to frequency (they all do), and clearly-audible highs
are going to be +10dB higher than the cartridge's official 1kHz output rating.
With peak added-on the input is called on to accept nearly 80mV for the average 5mV output cartridge.
The low-output MC optimized input can only handle a quarter of that, after which it saturates, so for most transient highs
right at our most sensitive hearing frequencies the result is quite unpleasant.
The sound is described as "grain" or "vinyl-burn" and sets you on edge through every loud and busy passage.
The solution is the Reflex M - it's dedicated to high output cartridges.
It proves you don't have to resort to low-output MC to get the best sounds.
The Reflex M won't give you premature saturation! Its input is optimized for high output cartridges so it won't hit the stops
no matter how hot the signal.
Plus it has lightning reflexes - that's why we call it the Reflex M - its slew rate which determines its tempo performance and
superbly precise stereo imaging, is far higher and is purely natural compared to a switchable MC/MM phono preamp.
You will hear just what a high-output cartridge is capable of and believe us, you'll need a really special low-output MC to be
able to match it.
But if you did eventually decide to try low-output MC you can keep the lightning reflexes of the Reflex M and put our
Elevator EXP ahead of it.
The pairing make an incredible MC partnership capable of extracting the best from the best of MCs.
Suitable Cartridges
Moving magnet (MM); high-output moving coil (HOMC); high output moving iron (MI) - in the output range:
1.6 - 9.2 mV (ref 1kHz at 5cm/sec)
Your amplifier's volume control is intended to be set to give you the loudness you want and should be adjusted accordingly.
With the lowest output cartridges you will need to turn the volume control higher than you would use with other sources
such as a CD player.
Using Moving Coil Cartridges
Conventional (or low-output) moving coil cartridges output around one tenth of those of 'MM sensitivity'.
The Reflex M can be used in conjunction with a step-up transformer or even better, the Elevator EXP step-up amplifier,
to allow you to use moving coil cartridges.
Alternatively a dedicated MC phono preamp such as the Reflex C may be used.
The benefit of using the Elevator EXP with a Reflex M is the ability to use all cartridge sensitivities just by swapping connections.
Our customers often prefer the sound of the Elevator EXP & Reflex M combination for MC to the Reflex C.
* Source: Cambridge University Press, "The Art Of Electronics" on slew rate limitations.
Versatile, usor de utilizat si mai ales "prietenoase" din punct de vedere al matching-ului
cu celelalte componente din sistem (Pick-up, Amplificator sau Casti), produsele
GRAHAM SLEE si-au facut un renume demn de invidiat de-a lungul timpului.
Fabricate exclusiv in UK, manual, au dobandit nenumarate premii de-a lungul timpului,
devenind celebre in egala masura atat Phono Stage-urile cat si Head Amp-urile.
Din 1 Februarie 2017, in Romania, la STEREO PLANET.
Effortless Dynamics and Fascinating Spatial Imagery
The Reflex M phono preamp will deliver a masterful performance from your vinyl records.
Not only that, but it will give you a convincing and stable stereo sound stage with a sense of height and depth
as well as horizontal positioning.
Made for high output cartridges in the region of 1.6 - 9.2 mV (MM; HOMC; MI), it can also be partnered with
our Elevator EXP step-up amplifier, with which it makes an excellent phono preamp combo suitable for low-output (MC)
magnetic cartridges.
The Reflex M is available with basic power supply, or the better PSU1 power supply, and a choice of voltages and
ower plugs.
There is also an option to have a mono switch fitted.
Why You Need a Dedicated Phono Preamp for a High-Output Cartridge
A switchable MC/MM phono preamp will give you the convenience of being able to switch between cartridge types,
but it won't be able to make MM and other high output cartridges perform at their best!
That's because its input has got to be optimized for low-output moving coil - it has to be an ultra-low noise input, and
ultra-low noise inputs have low saturation voltages (that's a fact).
When switched to MM and your high-output cartridge sends a large-transient upper-midrange music signal to it,
the input saturates and is shunted by the second stage's integrator capacitor which is:
a) the wrong load, and: b) seriously affects a thing called "slew-rate" - it slows right down - considerable distortion is the result.*
It's OK if your music is quiet all the way, but music is dynamic and hits transient peaks.
Recording desk PPM meters red-line at +8dB (2.5 times the signal), but in reality the signal overshoots to nearer +14dB
which is 5 times bigger.
Add the fact that magnetic cartridge output voltage rises in proportion to frequency (they all do), and clearly-audible highs
are going to be +10dB higher than the cartridge's official 1kHz output rating.
With peak added-on the input is called on to accept nearly 80mV for the average 5mV output cartridge.
The low-output MC optimized input can only handle a quarter of that, after which it saturates, so for most transient highs
right at our most sensitive hearing frequencies the result is quite unpleasant.
The sound is described as "grain" or "vinyl-burn" and sets you on edge through every loud and busy passage.
The solution is the Reflex M - it's dedicated to high output cartridges.
It proves you don't have to resort to low-output MC to get the best sounds.
The Reflex M won't give you premature saturation! Its input is optimized for high output cartridges so it won't hit the stops
no matter how hot the signal.
Plus it has lightning reflexes - that's why we call it the Reflex M - its slew rate which determines its tempo performance and
superbly precise stereo imaging, is far higher and is purely natural compared to a switchable MC/MM phono preamp.
You will hear just what a high-output cartridge is capable of and believe us, you'll need a really special low-output MC to be
able to match it.
But if you did eventually decide to try low-output MC you can keep the lightning reflexes of the Reflex M and put our
Elevator EXP ahead of it.
The pairing make an incredible MC partnership capable of extracting the best from the best of MCs.
Suitable Cartridges
Moving magnet (MM); high-output moving coil (HOMC); high output moving iron (MI) - in the output range:
1.6 - 9.2 mV (ref 1kHz at 5cm/sec)
Your amplifier's volume control is intended to be set to give you the loudness you want and should be adjusted accordingly.
With the lowest output cartridges you will need to turn the volume control higher than you would use with other sources
such as a CD player.
Using Moving Coil Cartridges
Conventional (or low-output) moving coil cartridges output around one tenth of those of 'MM sensitivity'.
The Reflex M can be used in conjunction with a step-up transformer or even better, the Elevator EXP step-up amplifier,
to allow you to use moving coil cartridges.
Alternatively a dedicated MC phono preamp such as the Reflex C may be used.
The benefit of using the Elevator EXP with a Reflex M is the ability to use all cartridge sensitivities just by swapping connections.
Our customers often prefer the sound of the Elevator EXP & Reflex M combination for MC to the Reflex C.
* Source: Cambridge University Press, "The Art Of Electronics" on slew rate limitations.
Specifications
Input and output connectors: RCA/phono sockets, hard gold plated
Input sensitivity range: 1.6mV to 9.2mV (recommended)
Output range (for above inputs): 179mV to 1030mV
Maximum input: 46mV rms
Maximum output: 5.2V rms
Gain: 41dB (112) at 1kHz
Input impedance: 47k Ohms plus 100pF
Output impedance (driving impedance): 1k Ohm (will drive 10k Ohms and above)
Noise at output: -68dB Quasi-peak 20Hz to 20kHz
Distortion: typically 0.01%
RIAA accuracy: < 0.3dB
Frequency response: 20Hz - 100kHz ("flat", corrected to RIAA)
Channel balance: 0.2dB
Channel separation: 60dB
Power supply: remotely powered using option of basic or optional PSU1 linear power supply
Dimensions (W x H x D): 107 x 50 x 180 mm
Color: silver
Input and output connectors: RCA/phono sockets, hard gold plated
Input sensitivity range: 1.6mV to 9.2mV (recommended)
Output range (for above inputs): 179mV to 1030mV
Maximum input: 46mV rms
Maximum output: 5.2V rms
Gain: 41dB (112) at 1kHz
Input impedance: 47k Ohms plus 100pF
Output impedance (driving impedance): 1k Ohm (will drive 10k Ohms and above)
Noise at output: -68dB Quasi-peak 20Hz to 20kHz
Distortion: typically 0.01%
RIAA accuracy: < 0.3dB
Frequency response: 20Hz - 100kHz ("flat", corrected to RIAA)
Channel balance: 0.2dB
Channel separation: 60dB
Power supply: remotely powered using option of basic or optional PSU1 linear power supply
Dimensions (W x H x D): 107 x 50 x 180 mm
Color: silver
| Producator: Produs: | ||
| Imagine |
 |
|
| Produs |
GRAHAM SLEE Phono Pre-Amplifier MM (+ PSU1 Power Supply) Reflex M PSU1 |
|
| Descriere |
GRAHAM SLEE - muzicalitate si calitate la un pret incredibil si dimensiuni miniaturale. Versatile, usor de utilizat si mai ales "prietenoase" din punct de vedere al matching-ului cu celelalte componente din sistem (Pick-up, Amplificator sau Casti), produsele GRAHAM SLEE si-au facut un renume demn de invidiat de-a lungul timpului. |
|
| Specificatii |
Specifications Input and output connectors: RCA/phono sockets, hard gold plated Input sensitivity range: 1.6mV to 9.2mV (recommended) Output range (for above inputs): 179mV to 1030mV Maximum input: 46mV rms Maximum output: 5.2V rms Gain: 41dB (112) at 1kHz Input impedance: 47k Ohms plus 100pF Output impedance (driving impedance): 1k Ohm (will drive 10k Ohms and above) Noise at output: -68dB Quasi-peak 20Hz to 20kHz Distortion: typically 0.01% RIAA accuracy: < 0.3dB Frequency response: 20Hz - 100kHz ("flat", corrected to RIAA) Channel balance: 0.2dB Channel separation: 60dB Power supply: remotely powered using option of basic or optional PSU1 linear power supply Dimensions (W x H x D): 107 x 50 x 180 mm Color: silver |
|
| Premii | ||
| Preţ: | 3,899.00 RON (TVA inclus) | |
| Disponibilitate | Disponibil | |
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