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Modwright PH 9.0 Tube Phono Stage


Modwright PH 9.0 Tube Phono Stage - None / Black is ordered from manufacturer upon request.

Easy load adjustment from the front panel!
Easy gain adjustment!
Two Phono inputs!
Mono Switch!


The latest upgrade we now offer is the 'T' upgrade, or the PH 9.0XT. This adds tube rectification and a high voltage pre-regulator to the external supply. The tube rectifier adds more body, broader soundstage and the ability to further tune the sound to your tastes with the use of different rectifier tubes.

PH 9.0 = $3500 Retail.
PH 9.0X = $4750 Retail.
PH 9.0XT = $5250 Retail.

Just in from HiFi Choice!!!
HiFi Choice PH 9.0 Review!

Given 5 Stars by HiFi Choice and also the Group Test Winner award when compared to other phono stages in the same price range!

Grover Neville of Part Time Audiophile does a great job of explaining the benefits of the ‘X’ upgrade, in his follow up review:
Follow up review of our ‘X’ upgrade for the PH 9.0!

Please note, the unit may be purchased as a PH 9.0X or upgraded at any time to the ‘X’ level!

ModWright Instruments PH9.0 Phono Stage Review

ModWright Instruments PH 9.0 Phono Stage: A New Paradigm in Affordable Excellence

PH 9.0 phono stage review with Pure Fidelity TT and Kiseki Purple Heart Cart!

System Review with Wilson Sabrina’s!

We are excited to present the new PH 9.0 Tube Phono stage with on-the-fly loading and attenuation controls. Following in the footsteps and true Design DNA of the Reference PH 150, the PH 9.0 offers most of the same performance and flexibility of the PH 150 at a much lower price and smaller form factor.

The rise of interest in vinyl has led to demand for flexible, high performance phono stages to make the most of ALL of our vinyl. The PH 9.0 is quiet, musical, physically compact and flexible enough to suit the simplest to the most complex analog rigs!

We chose Lundahl MC step-up transformers, separate MM and MC inputs, compact external power supply on a long umbilical and vacuum tube design to maximize flexibility. The use of external supply, careful grounding, layout and solid engineering result in an extremely quiet tube phono stage!

The power supply is small and has no controls and may be tucked out of the way anywhere. The phono stage itself is 10“Wx10“Wx4“H. Its compact form factor allows flexible placement.

Like the PH 150, front panel controls for MM, Mute, MC input select, On-The-Fly MC loading and gain adjustment for MM and MC carts allows for easy adjustment to suit different cartridges and systems. Mono/Stereo toggles is locate on the rear panel.

Fully balanced, transformer coupled XLR outputs are available as an add cost option. The base unit has single ended RCA outputs only.




What the PH 9.0X upgrade includes:
The upgrade to the PH 9.0X involves the addition of a pair of Lundahl gapped output transformers, commonly used in SET tube amps. The addition of these transformers also means the elimination of a pair of chokes and coupling caps, all in the signal path.

Why this upgrade?:
The circuit change made to the PH 9.0X, make it much closer to the PH 150 in terms of overall circuit design. Various other circuit differences in the PH 9.0 vs. the PH 150 were implemented, to see where the PH 9.0 could be improved. Most either made no difference, or for whatever reason, did not sound as good in the PH 9.0. This circuit change however DOES make a difference. The use of the Lundahl output transformers was one of the cost cutting design changes made to the PH 150 to achieve the PH 9.0. I found that the improvements were simply big enough that it warranted offering the upgrade, as an add cost option for the PH 9.0.

Sonic Benefits:
The sonic benefits of this circuit change are obvious and significant! There is better bottom end, more weight and authority to the sound as well as improved resolution, detail and soundstage.

For a more TECHNICAL explanation of the upgrade, please see the downloadable file on this page, in the right column.

Early Feedback from first customers!

‘Your PH 9.0 is a work of art! I cannot imagine a phono stage sounding any better, and I have heard lots of phone stages.’

‘I am completely amazed at how synergistic and well-integrated and balanced your gear is! Thank you for making listening to music such a joy.’

‘It sounds amazing! I never like or use this word, but it is the best word for what I was hearing – holographic!
Great bass. Sweet extended highs. Great balance. Great body. Amazing sense of space. Every orchestral instrument, every jazz instrument sounds like it is in the room with me!Incredibly amazing lifelike sound.


Technical Specs

  • MC Gain: 64dB (58dB, 52dB)
    MM Gain: 52dB (46dB, 40dB)
    Gain Adjust: 0, -6dB, -12dB
    Inputs: MM & MC
    MC Loading: 10-20-50-100-250-470
    MM Loading: 47K fixed.
    Stereo/Mono: Rear Toggle.
    Frequency: 20Hz – 50Khz (+/-.2dB)
    Tubes: (2)6C45, (2)6922/6dj8/7308
    Power Supply: External, solid state
    Phono Dim = 10“Wx10“Dx4“H
    Power Supply Dim = 7“Wx9“Dx3“H
    Power Umbilical: 4-pin XLR, 6 ft
    Balanced Outs: Transformer Coupled (add cost option)

Please Note that the power supply remains black regardless of color choice