What's in the box? 1 - Made in USA PA555 1 - 15V power supply PN PS27s 1 - This owners manual PA555 Preamplifier 1 - Love for great audio Power IN 1 PA555 Preamplifier SPECIFICATIONS Input Impedance: 10K ohms Max Output Gain: 11.1 dB...
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Mullard long plate made in Great Britain 12AX7. The THD all of the gain of the PA555 is from the 12AX7 tube. The out- was improved quite a lot in our testing. The crosstalk also im- put section is a pair of emitter followers to drive the output.
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NOS tubes we would have to charge considerably 7025 - This is the Military part number for a 12AX7. more for the PA555. In all honesty I do like the factory tube. ECC83 - This is the same as a 12AX7 it is the European part It has very good bass response that you will miss with some number.
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15 VDC RCA's stereo inputs for connection to your source; DAC, Power input is 15 Phono Stage/Pre, VDC for connec- CD player or other. Output RCA's for tion to the external Rolls PS27s power connection to your adapter. power amplifier.
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