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Vacuum Tube Valley: Issue 11

Vacuum Tube Valley: Issue 11

CONTENTS

6SN7 DRIVER OF CHOICE History, data and differnt types of 6SN7s.

LISTENING TO 6SN7s Sound reveiw of different typrs of 6SN7s.

OCTAL LINE STAGE PROJECTS A valve rectified (5Y3GT) pre-amplifier using a 6SN7GT/12SN7GT/12SX7GT.

RICHARDSON ELECTRONICS Inside Richardson Electronics, tube manufacturer and seller.

MID-PRICED VINTAGE HIFI A view at mid-priced vintage hifi gear.

COMPUTING WITH TUBES The first real time machine.

TUBE DUMPSTER: 6688 6688 (pre-amp pentode) tube investigated.

ASUSA A-4 KIT REVIEW Stereo EL34 push-pull amplifier kit .

OTL HEADPHONE AMP An OTL design using 6080s.

VTV LISTENS TO CAPACITORS Signal cap group test.

VINTAGE SPEAKERS AND MICROPHONES IN JAPAN A look back At Japanese oldes.

TEST BENCH: POWER SUPPLIES Power supplies investigated.

FREDs AND SCHOTTKYS Silicon rectifiers discussed.

 

Price; £9.00 +p&p

 

Specifications: 
  • KEY FEATURES
  • the 6SN7 story
  • 6SN7 listening test
  • OTL headphone amp design
  • 6688 investigated
  • 6SN7 pre-amp design
  • ASUSA kit review
  • BOOK SPECIFICATION
  • paperback
  • black and white print
  • 42 pages
  • 218mm x 280mm
  • 155g

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