PRE-AMPLIFIERS, 1995 TO 2006.

INTEGRATED PRE-AMPLIFIER 2006.
Picture 10 tube preamp in 2,000, history,
Schematic of 10 tube preamp April 2000, development
of better phono topology using cascode j-fet + triode stage,
Picture of the 10 tube preamp 2006.
Five schematics of block diagram, phono, line + tone,
output buffers, and power supply.
Explanations for all schematics and final performance.

ROCKET PHONO PRE-AMPLIFIER, DEC 2005.
Description and picture of a rather good system,
Picture of the Rocket, Schematic of the Rocket,
Full schematic explanation.
Schematic of reverse RIAA Eq testing circuit.
Picture of chassis underside of Rocket with Wimas and Auricaps.
See 'Nemo line level preamp & psu' page for power supply details.

NEMO LINE LEVEL PRE-AMPLIFIER & PSU,  DEC 2005.
Picture of the Nemo line level preamp and "Bunnerong" power supply.
Nemo history and notes,  Schematic of the line level amp,
explanation notes, capacitor differences,
Picture of preamp underside.
Schematic of power supply and explanations.

LINE LEVEL PRE-AMP FROM 2003.
Fig 1,2 & 3, pictures of line level preamp supplied in 2003.
Fig 4 is the schematic for the input and output stages.
Full explanations are included.

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