Parasound Phono preamp

Zphono


http://www.parasound.com/zphono.php

Works with all line drive preamplifiers
RIAA curve accurate to 0.25 dB
Ultra-low distortion
Switchable gain for moving magnet or moving coil cartridges
Exclusive AC polarity switch to eliminate hum
Ultra high-speed, low-noise opamps
Audiophile grade resistors and capacitors
Gold-plated RCA input and output jacks
Unique half-rack width chassis; 1 rack space high

Schiit Mani Phono preamp




http://www.schiit.com/products/mani

Gain 1 = L, Gain 2 = L (Decca Mode)
Gain: 30dB
THD: <0.005%, A-weighted, at 1V RMS
SNR: >90dB, A-weighted, inputs shorted
Crosstalk: -75dB, 20-20kHz
Sensitivity: 9mV for 300mV output
Overload Margin: >20dB

Gain 1 = L, Gain 2 = H (Standard MM Mode)
Gain: 42dB
THD: <0.008%, A-weighted, at 1V RMS
SNR: >82dB, A-weighted, inputs shorted
Crosstalk: -75dB, 20-20kHz
Sensitivity: 2.3mV for 300mV output
Overload Margin: >20dB

Gain 1 = H, Gain 2 = L (Low Output MM/High Output MC Mode)
Gain: 48dB
THD: <0.01%, A-weighted, at 1V RMS
SNR: >80dB, A-weighted, inputs shorted
Crosstalk: -75dB, 20-20kHz
Sensitivity: 1.3mV for 300mV output
Overload Margin: >20dB

Gain 1 = H, Gain 2 = H (MC Mode)
Gain: 59dB
THD: <0.03%, A-weighted, at 1V RMS
SNR: >70dB, A-weighted, inputs shorted
Crosstalk: -75dB, 20-20kHz
Sensitivity: 0.3mV for 300mV output
Overload Margin: >20dB

Input Impedance: Selectable 47 ohms (typical for MC cartridges) or 47k ohms (typical for MM cartridges)
RIAA Accuracy: +/- 0.2dB, 20-20kHz
Output Impedance: 75 ohms
Topology: Fully passive RIAA network with ADA4897 and AD8066 gain stages, thin-film resistors, and film capacitors throughout
Power Supply: “wall wart” style 16VAC transformer, regulated +/- 5V rails
Power Consumption: 4W
Size: 5 x 3.5 x 1.25”
Weight: 1 lb

Lehmann Audio Black Cube and Black Cube Statement Phono Stages

Black Cube

https://www.lehmannaudio.com/phono-stages/black-cube.html

Black Cube
Sensitivity for output level 775 mV/ 0 dB (with activated high gain jumper)
Gain 1 kHz
Maximum input level 1 kHz
Signal to noise ratio (RMS unweighted) MM: 3.8 mV/1 kHz; MC: 0.38 mV/1 kHz
MM: 46 dB; MC: 66 dB
MM: 45 mV; MC: 4,5 mV
MM: 71 dB; MC: 63 dB
Gain 36 dB, 46 dB, 56 dB, 66 dB
Channel separation > 85 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 50 Hz, 6 dB/oct.
Power consumption < 3 W

Black Cube Statement

https://www.lehmannaudio.com/phono-stages/black-cube-statement.html

Black Cube Statement
Sensitivity for output level 775 mV/0 dB (with activated high gain jumper)
Gain 1 kHz
Maximum input level
Signal to noise ratio (RMS unweighted) MM: 7.4 mV/1 kHz; MC: 0.74 mV/1 kHz
MM: 41 dB; MC: 61 dB
MM: 58 mV; MC: 5.6 mV
MM: 78 dB; MC: 57 dB
Gain 31 dB, 41 dB, 51 dB, 61 dB
Channel separation > 85 dB at 10 kHz
Input impedance 47 kohms, 1 kohm, 100 ohms
1 x custom load
Output impedance < 100 ohms
Input capacitance 100 pF
Channel mismatch typ. 0.5 dB
Bass filter 50 Hz, 6 dB/oct.
Power consumption app. 1 VA