PH9 Phono Preamplifier By Audio Research
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Product Summary:
The PH9 delivers refined tube-driven phono performance with exceptional clarity, adjustable cartridge loading, flexible system integration, and user-friendly controls for immersive, high-fidelity vinyl playback across a wide range of turntable setups.
Click To Read MoreTrial Period
90 Days (Exchange)
Countries Shipped
USA
Burn-In Time
100 Hours
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Analog, Audio Research, Phono Preamp
PH9 Phono Preamplifier By Audio Research
$12,000
The PH9 delivers refined tube-driven phono performance with exceptional clarity, adjustable cartridge loading, flexible system integration, and user-friendly controls for immersive, high-fidelity vinyl playback across a wide range of turntable setups.
Click To Read MoreProduct Description
The PH9 delivers high-performance phono preamplification designed to pair seamlessly with a wide range of cartridges and turntable systems.
At its core, three 6H30 vacuum tubes support a clean, refined signal path that combines the warmth and musicality associated with tube audio with impressive transparency and detail retrieval. The result is a natural, engaging listening experience that accurately reveals the unique character of different cartridges and tonearms.
To support system flexibility, the PH9 offers five selectable impedance settings for cartridge loading, conveniently adjustable via the included metal remote control. Additional user-friendly features include cartridge impedance monitoring, tube hour tracking, auto shutdown functionality, and an intuitive onboard menu system.
Developed by Audio Research, a brand recognized for decades of innovation in high-fidelity audio, the PH9 is designed to provide exceptional vinyl playback performance, long-term reliability, and lasting value for dedicated music enthusiasts.
Reviews
The Speaker Shacks
“The Audio Research receives an Outstanding product award from The Speaker Shack which I really do think that PH9 should be on your list if you are wanting to get the best, and the Foundation series gives you that, the best for any system unless you can afford the more costlier ARC’s that is.”
https://www.thespeakershacks.co.uk/2019/09/audio-research-ph9-phono-stage-review.html
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Specifications
- Frequency Response: ±2 dB of RIAA, 5 Hz to 20 kHz; 1 dB points below 0.3 Hz and above 80 kHz
- Distortion: Less than .015% at 3V RMS 1kHz output
- Gain: 58 dB at 1 kHz
- Input Impedance: Selectable loads: 47k, 1000, 500, 200, 100 Ohms
- Output Impedance: 200 ohms. Recommended load 50k-100k Ohms and 100 pF. (10k Ohms minimum and 2000 pF maximum).
- Output Polarity: Non-inverting
- Maximum Input: 80 mV RMS at 1kHz
- Rated Outputs: 0.5V RMS 10 Hz to 60 kHz, into 100K ohm load (maximum balanced output capability is 0.46V RMS at less than 0.5% THD at 1kHz)
- Controls: 6 Push Buttons: Power, Menu, Option, Enter, Input, Mute
- Power Supplies: Electronically regulated low and high voltage supplies. Automatic 2 minute warm-up/brown-out mute. Line regulation better than .01%
- Noise: 77 dB, shorted inputs
- Tube Complement: (3)-6H30P dual triodes, plus (1 each) 6550WE and 6H30P in power supply
- Power Requirements: 100-125VAC 60Hz (200-250VAC 50/60Hz) 120 watts maximum. Standby: 2 watts
- Dimensions:
- Width: 19″ (48 cm)
- Height: 6.5″ (13.7 cm)
- Depth: 13.7″ (34.8 cm)
- Handles extend 1.6″ (4 cm) forward of front panel
- Weight: 15.4 lbs. (7 kg) Net
- Shipping Weight: 23.5 lbs. (10.7 kg)
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Product Description
Lehmann Black Cube SE II – Precision Phono Stage for True Audiophiles
The Black Cube SE II builds on the acclaimed SE circuit, upgraded with superior sockets and an adjustable bass filter, allowing you to fine-tune your system to your personal listening preferences. Designed for maximum musical engagement, it delivers the sensation that your favorite recordings were crafted just for you, bringing instruments and vocals closer than ever.
Tailored for Every System
Compatible with nearly all MM and MC cartridges, the Black Cube SE II includes solder-free slots for custom impedance adjustments, plus an extra hardwired plug-in location for immediate flexibility. Optional matching resistors can be provided with your order at no extra cost, making it easy to optimize the phono stage for your system.
Audiophile-Grade Audio Circuitry
At its core, a high-precision passive RIAA filter network sits between two linear gain stages, built with surge-proof, narrow-tolerance polypropylene capacitors. This design preserves transients, dynamics, and timbres with exceptional clarity. Professional-grade input stages reduce noise while enhancing precision and power. Additional modules handle hum, high-frequency interference, and random voltage suppression, and the double-sided audio board ensures a low-interference signal path.
Dependable PWX Power Supply
The external PWX power supply features a custom toroidal transformer with static shielding, providing stable, safe, and powerful operation. Gold-plated Neutrik XLR connectors maintain secure connections, while shielded cables and mechanically damped aluminum housings minimize vibrations and interference.
Elegant Design
With a choice of silver, black, or chrome-plated front panels, the Black Cube SE II combines audiophile-grade performance with a refined aesthetic that looks as good in your HiFi rack as it sounds in your system.
Professional Endorsement
Known for its neutral, natural sound, Lehmann equipment is trusted by professional recording studios and music experts worldwide. The Black Cube SE II offers a high-fidelity listening experience that reveals every nuance in your favorite recordings.
Note: The sonic profile of Lehmann gear is perhaps the most neutral we can find. This brand is quite popular with our professional music/recording studio clients.
Reviews
AUDIO
“Upgraded to the SE version by the PWX, it was definitely poking the fire again like almost no other phono pre in its price range. Merciless heavy rock by Vanilla Fudge or massive bigband attacks by Count Basie were just about to blaze through the listening room. Pimped in such a hot manner, the Lehmann Black Cube SE II is state-of-the-art.”
https://jaguaraudio.com/wp-content/uploads/2021/06/EN-2020_01-AUDIO-Black_Cube_II.pdf
Hifi News
“This is a true audiophile phono stage and, partnered with equipment of equal quality, the results are remarkable. Indeed, the SE II is difficult to fault even compared to the competition in a much higher price bracket. The exceptionally low background noise allied to a fabulous rhythmic and tonal rendition makes it worthy of consideration for those seeking the most detail from their vinyl without having to make a hyperspace price jump.”
https://jaguaraudio.com/wp-content/uploads/2021/06/EN_review_Hifi_News_02_2010_SEII_screen.pdf
Hifi News
“To ?nd more depth and detail in music I know so well was a remarkable experience and I warmed to this little gem of a phono stage all over again.”
Specifications
The impressing technical details of the Black Cube SE II.
Sensitivity for output level 775 mV/ 0 dB (with activated high gain switch): MM: 3.8 mV/1 kHz; MC: 0.38 mV/1 kHz
Gain 1 kHz: MM: 46 dB; MC: 66 dB
Maximum input level 1 kHz: MM: 45 mV; MC: 4,5 mV
Signal to noise ratio (RMS unweighted): MM: 71 dB; MC: 63 dB
Gain: 36 dB, 46 dB, 56 dB, 66 dB
Channel separation: > 80 dB at 10 kHz
Input impedance: 47 kohms, 1 kohm, 100 ohms, 1 x custom load, 1 x hardwire slot
Output impedance: 47 ohms
Input capacitance: 100 pF
Channel mismatch: typ. 0.5 dB
Bass filter: 16 settings between 7 Hz and app. 90 Hz
Power consumption: < 3 W
Outer dimensions W x D x H:
Audio section: 114 mm x 124 mm 50 mm
PWX power supply: 93 mm x 233 mm x 45 mm
Weight:
Audio section: 0.6 kg netto
PWX power supply: 1.0 kg netto
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