Technical data

The preamp is connected for MM-pickup

Frequency response: 0 Hz - 4,2 MHz, -3 dB
Frequency response with DC-servo: 0,4 Hz - 4,2 MHz, -3 dB
Power bandwidth at 10 Vrms, 68 ohms: 0,4 Hz - 270 kHz, -3 dB
Equivalent input noise: 220 nV
Equivalent input noise, with perfect balance: 160 nV (25 nV with super low noise transistors)
Signal to noise ratio: 93 dB
Signal to noise ratio, with perfect balance: 96 dB (109 dB with super low noise transistors)
Dynamic headroom: 131 dB
Dynamic headroom, with perfect balance: 134 dB (150 dB with super low noise transistors)
Distortion: < 0,001 %
Slew rate: 19 V/us
Step response: Perfect without overshoot
Gain: 13 (22 dB)
Input impedance: 47 kohms// 470 pF (0-270 kohms//20 pF and up, limited only by physical dimensions , user selectable)
Output impedance: 800 micro ohms
Output current: 300 mA
Gain bandwidth product: 750 MHz
The amp uncompensated
Frequency response: 0 Hz - 13 MHz, -3 dB
Power bandwidth at 10 Vrms, 68 ohms: 0,4 Hz - 440 kHz, -3 dB
Gain bandwidth product: 12 GHz
Slew rate: 31 V/us

 

 

The preamp is connected for MC-pickup

Frequency response: 0 Hz - 270 kHz, -3 dB
Frequency response with DC-servo: 0,4 Hz - 270 kHz, -3 dB
Power bandwidth at 10Vrms, 68 ohms: 0,4 Hz - 270 kHz, -3 dB
Equivalent input noise: 220 nV
Equivalent input noise, with perfect balance: 160 nV (25 nV with super low noise transistors)
Signal to noise ratio: 71-76 dB
Signal to noise ratio, with perfect balance: 74-80 dB (90-96 dB)
Dynamic headroom: 111 dB
Dynamic headroom, with perfect balance: 114 dB (130 dB)
Distortion: < 0,001 %
Slew rate: 14 V/us
Step response: Perfect without overshoot
Gain: 137 (43 dB)
Input impedance: 100 ohms// 10 nF (0-270 kohms//20 pF and up, limited only by physical dimensions, user selectable)
Output impedance: 13 mohms
Output current: 300 mA
Gain bandwidth product: 750 MHz
The amp uncompensated
Frequency response: 0 Hz - 440 kHz, -3 dB
Power bandwidth at 10Vrms, 68 ohms: 0,4 Hz - 440 kHz, -3 dB
Gain bandwidth product: 12 GHz
Slew rate: 31 V/us

 

The correction (RIAA) amp

Frequency response without correction network: 0 Hz - 6 MHz, -3 dB
Frequency response without correction network with DC-servo: 0,4 Hz - 6 MHz, -3 dB
Power bandwidth at 10 Vrms, 68 ohms: 0,4 Hz - 51 kHz, -3 dB
Equivalent input noise: 700 nV
Distortion: < 0,001 %
Slew rate: 3,5 V/us
Step response: Perfect without overshoot
Gain: 16 at 1 kHz (24 dB)
Input impedance: 680 ohms
Output impedance: 60 mohms + resistor
Output current: 100 mA
RIAA accuracy typ 0,008 dB, max 0,2 dB
Supply current (both pre amp and RIAA amp) 70-90 mA at 18 V supply
Power bandwidth at 10 Vrms, 68 ohms: 0,4 Hz - 440 kHz, -3 dB
Gain bandwidth product: 12 GHz
Slew rate: 31 V/us
Dimensions: 238,8 (9,4") x 162,6 (6,4") mm