Schematics Database

ST-70 Clone PCB with power tubes on PCB.jpg

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

ST-70 MK2 Modified,Picture .jpg

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

ST-70 Mic pre-project.pdf

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

ST-70 Power Supply Question.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

ST-70 Rebuild.jpg

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

ST-70 VTA upgrade board.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

ST-70 with 12AT7.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

ST-70 with Triple 12AT7 driver board.jpg

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

ST70 - Dynaco ST-70 PC-3 driver board parts layout - photo __.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

ST70 Page.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

ST70 with 12AU7-EF86 driver.gif

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

ST70R Kennedy Audio Modification.pdf

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

ST70R modified.pdf

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

Shannon Advanced ST-70 Amplifier.pdf

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

Stereo 70 12AU7-12AX7 driver Board.pdf

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

Stereo Amplifier Reviews Dynaco Stereo 70 Tube Amp Reviewed.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

The Amp Garage View topic - best replacement tube for 7199 in old Ampegs.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

This is a schematic for the VTA ST-70 - 3 x 12AT7.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

Thread ST70 series I vs series II AudioKarma_org Discussion Forums BoardReader.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

Triode Electronics-Dynaco Upgrades.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

Triple 12AU7 driver stage.gif

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

Ultra Linear Hafler & Keroes Semi Williamson.pdf

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

Ultra Linear Output Transformers.pdf

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

VTA70 driver PCB upgrade.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

Williamson type ST-70 1999.gif

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

diytube_com • View topic - ST-70 Power Supply Question.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

diytube_com • View topic - ST70 Tube Alternates.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

diytube_com • View topic - Triode Electronics 6AU6 driver board for Stereo 70.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

dynaco-st-70-chassis-st70-cutout.png

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

dynacost70mods.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

schem-35w-ulab1-el34-st70-mod-May-2014.GIF

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

shannon%20outputs.jpg

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

shannon%20power%20supply.jpg

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

steele 70 MK2.gif

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler > ST70 Stuff

120W PCB Question.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler

3 tube drive for ST70 using in production tube.gif

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler

6316287609_26611f6440_z.jpg

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler

6316593826_519cb9ef60_b.jpg

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler

6319709595_d6debae7dd_b.jpg

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler

6319729045_a5918e2e12_z.jpg

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler

6l6.gif

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler

Acrosound 6-50 Class A PP Monobloecke, von Jochen Wankmiller.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler

Acrosound Ampp abt 20WEL84 Amp.jpg

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler

Article Installation of the EFB(tm) Bias Circuit in a Dynaco ST-35.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler

AudioXpress Article-Fraser-V2 2017-05.pdf

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler

DESIGN FOR A HIGH-QUALITY AMPLIFIER - Williamson 1947 Part 1 WW 1947-04.pdf

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler

Differences between the Dynaco PAS-2, PAS-3 and PAS-3X preamps.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler

DynaMutt_octal.pdf

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler

Dynaco Classic Circuit.gif

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler

Dynaco Company History.mht

Category: Audio > Circuits > Power Amplifiers > Tube > Dynaco-Hafler