PHS 7.2 phono pre-amplifier
The PHS 7.2 is a reference phono pre-amplifier, which remarkable performance is bettered only by JMF Audio’s flagship PHS 7.3 pre-amplifier. The PHS 7.2 is intended for demanding vinyl records lovers.
For further information, please refer to the main page > Phono pre-amplifiers
The PHS 7.2 phono preamplifier inherits from the PHS 7.3’s design, circuitry, power supplies, mechanical parts and meets the same manufacturing quality requirements.
PHS 7.2
Number of outputs
3 (2 balanced, 1 un-balanced)
Number of inputs
2
Original input module types
MC/MM (x2)
Analog circuit board technology
PGP 24 carat gold
Linearization filter type
ALP
Linearization passive components
Precision grade (made in France to JMF Audio’s specifications)
Recording curves
Subsonic filter
Yes
Hand calibrated inputs and outputs
Yes
balanced and adaptive
Input stage type
RIAA
Technical specifications:
Connectors
XLR metal case, gold contacts | RCA metal case, gold contacts
Input impedance range
defined by input module type and settings
RIAA deemphasis curve conformance
+/- 0.05dB (1k..20kHz), +/- 0.1dB (20Hz..20kHz)
Interference rejection on the inputs
100dB typ.
Output impedance
Gain range
50 ohms
0, -10, -20dB (ctrl. with front panel switch)
Maximum gain output/input
75dB (low level MC cartridge)
Enclosure
Orose® up to 16mm thick machined anodized aluminum, machined steel buttons and rose-gold
Dimensions
482 wide (front panel) x 320 deep x 106 high mm including feet (19” x 12.6” x 4.2” high)
Net weight
14 kg (31 lbs), version B
Finishes
Silver or Black anodizing
200mV (typ. MM cart), 20mV (typ. MC cart), Gain min
Maximum input level
10V (+22dBu) into 10k ohms load
Maximum output level
1Hz..150kHz (intentionally limited for RF immunity)
Global circuits bandwidth
>96dBA (10V output, Gain min, typ. MC cart, IN1)
Signal to noise ratio (SNR)
<0.002% (10V output 1kHz, Gain min, BW.20kHz)
Total harmonic distortion (THD)
>100dB (10V output 1kHz, Gain min)
Channel separation
0 / 180° (ctrl. with front panel switch)
Phase range
Subsonic filter
-12dB/oct, 13Hz (ctrl. with front panel button)
100V, 120V, 220-240V AC - 50/60Hz (according to country of destination), version B
AC mains power supply
<25W, version B
Power consumption
Measurements with Audio Precision APX555 equipment. Voltage values are RMS. Specifications are based on the manufactured products at date of writing and may change with product evolution.
For further information, please refer to the main page > Phono pre-amplifiers