Phono Preamplifiers

Most modern amplifiers do not have provision for a phono cartridge, so a separate phono preamplifier is necessary. And the phono preamps included in many older integrated amplifiers are fairly basic. You can achieve a worthwhile improvement in sound quality with a separate phono preamp.

When you consider that the signal that the phono cartridge extracts from the groove has to be amplified many thousands of times before it gets to the speakers any improvement in the signal at the front end will be magnified greatly.

Why do you need a phono preamplifier? (answer courtesy of Graham Slee)
Bass takes space. Vinyl is a mechanical medium. The groove contains the wavelength and velocity information for all the musical frequencies contained in it. The signal's wavelength is inversely proportional to frequency. Using the equation:-    wavelength (?) = velocity (V) / frequency (f)

We find a bass frequency of 50Hz has a wavelength ( groove wiggle) of 0.1cm (1mm) at the peak recorded velocity of a vinyl LP (5cm/sec). With 50:50 spacing, you'd only get 40 revolutions, and at 33? RPM that's just 1 minute and 12 seconds!

At 1kHz (middle of the band) the wiggle is 0.05mm - enough for 24 minutes, but at 10kHz, the wiggle is so small it would be swamped by the noise of the vinyl's polymorphic structure.

The cure is to turn the bass down and the treble up while cutting the record master. This is done using a precise formula (RIAA). So when you play a record you need a clever bit of electronics to change it back. That's the job of the Phono Stage.

The more accurate in frequency and phase performance the phono stage is - the better the sound. Not forgetting that the phono stage must not add to the background noise already on the record.

The best phono stages are: Fast (wide bandwidth); Quiet (low noise) and distortion should be inaudible. And that is not an easy task!



Esoteric Sound Surface Noise Reducer

ESOTERIC SOUND

Esoteric Sound Surface Noise Reducer

$770.00 ESSNR

ICON AUDIO MC TX transformer

ICON AUDIO

ICON AUDIO MC TX transformer

$960.00 MCTX

ICON AUDIO PS1 MkII phono preamplifer MM/MC

ICON AUDIO

ICON AUDIO PS1 MkII phono preamplifer MM/MC

$3,150.00 PS12MC

ICON AUDIO PS2 phono preamplifier

ICON AUDIO

ICON AUDIO PS2 phono preamplifier

$1,250.00 PS2

ICON AUDIO PS3 phono preamplifier MM/MC

ICON AUDIO

ICON AUDIO PS3 phono preamplifier MM/MC

$5,300.00 PS3MC

PRO-JECT Phono Box E

PRO-JECT AUDIO

PRO-JECT Phono Box E

$139.00 PJPBE

PRO-JECT Phono Box E BT

PRO-JECT AUDIO

PRO-JECT Phono Box E BT

Bluetooth included

$219.00 PJPBEBT

PRO-JECT PhonoBox

PRO-JECT AUDIO

PRO-JECT PhonoBox

From $199.00 PJPB

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PRO-JECT PhonoBox S2 phono stage

PRO-JECT AUDIO

PRO-JECT PhonoBox S2 phono stage

Available in Black or Silver

$235.00 PJPBS2B

6% OFF RRP $249.00
PRO-JECT PhonoBox USB variable

PRO-JECT AUDIO

PRO-JECT PhonoBox USB variable

From $279.00 PJPBUV

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REK-O-KUT  Re-Equalizer MkII

REK-O-KUT

REK-O-KUT Re-Equalizer MkII

$715.00 RKRE2

REK-O-KUT  Re-Equalizer MkIII

REK-O-KUT

REK-O-KUT Re-Equalizer MkIII

$825.00 RKRE3

REK-O-KUT Audiophile Archival MM Phono Preamp MkII

REK-O-KUT

REK-O-KUT Audiophile Archival MM Phono Preamp MkII

$198.00 RKAAP2

REK-O-KUT De-Hisser

REK-O-KUT

REK-O-KUT De-Hisser

$550.00 RKDH

15% OFF RRP $650.00
REK-O-KUT Professional MM Phono Preamp MkIV

REK-O-KUT

REK-O-KUT Professional MM Phono Preamp MkIV

$110.00 RKMMP4

26% OFF RRP $148.50
REK-O-KUT Ultra MM Phono Preamp

REK-O-KUT

REK-O-KUT Ultra MM Phono Preamp

For 78 collectors, archivists, audiophiles

$250.00 RKUPP

24% OFF RRP $330.00
ROTHWELL  moving coil transformer

ROTHWELL

ROTHWELL moving coil transformer

$450.00 RWMC1

9% OFF RRP $495.00
ROTHWELL Rialto phono pre-amp

ROTHWELL

ROTHWELL Rialto phono pre-amp

$660.00 RWPPA

14% OFF RRP $770.00
ROTHWELL Simplex mm phonostage

ROTHWELL

ROTHWELL Simplex mm phonostage

simple, compact and affordable

$450.00 RWSPPA

9% OFF RRP $495.00
VINCENT PHO-701 Tube Phono Preamplifier

VINCENT

VINCENT PHO-701 Tube Phono Preamplifier

Separate preamp and power supply units

$899.00 VPHO701

ORTOFON ST-7 Step-Up Transformer

ORTOFON

ORTOFON ST-7 Step-Up Transformer

For low output moving coil cartridges

$750.00 OST7

15% OFF RRP $879.00
GT-40 Alpha DAC ADC Phono Headphone Amp

ADL

GT-40 Alpha DAC ADC Phono Headphone Amp

Very resourceful with excellent sound quality

$850.00 GT40a

5% OFF RRP $895.00