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'72RI Thinline and Robert Quine's old MIJ 50's RI, that he modded with Rio Grande pickups.
Highest position on Explore: 10 on Monday, June 23, 2008
Boss RE-20 Space Echo, Moogerfooger Ring Modulator, Electro Harmonix Tube Zipper, Soul Preacher and Little Big Muff, Reverend Drivetrain II
Home made valve power amp based on the old Mullard 5-20 with some fairly significant tweaks.
Valves:
GE 6267
GE JAN 6CG7/6FQ7
Electro Harmonix 6CA7EH
Sovtek 5AR4
Iron:
Sowter UA21 outputs
Primary Windings mains
VVT chokes
Current schematic:
as of 9-2007; minus new power strip and cables, PZung Harmonic Percolator. And the velcro isn't done yet. Designed to collapse and fit into a Samsonite suitcase. It's already too big.
(For all those interested, one can check out v3.1 here: dAve Pedal Board v3.1)
Chain: Guitars(2) > EH SwitchBlade > Boss TU-2 Chromatic Tuner > EH Small Stone > MXR Distortion+ > Boss BD-2 Blues Driver > Ibanez TS9 Tube Screamer > Morely Volume Pedal > Boss TR-2 Tremelo > Dunlop Uni-Vibe > Boss RV-3 Digital Reverb/Delay > Boss DD-3 Digital Delay > EH Deluxe Memory Man > Fender Twin Reverb
A more compact version under test along side the larger MK III prototype. Cobbled together with bits of previously used wood and an old 19" 6U aluminium rack blanking cover.
Basic specifications are:
6059/CV4006 input pentode running as pentode
6CG7/6FQ7 phase splitter as LTP with a constant current sink in the tail
6CA7/EL34/KT77 push pull output at ~450V with cathode bias (around 19-20W idle dissipation using zeners to tighten things up towards fixed bias)
Sowter UP-21 output transformers, VVT chokes & Primary Windings HT transformers.
Kelly Bowery Pine Tele, Electrosonic Thermosinc Amp, E H Deluxe Memory Man and Prescription Electronic's Yardbox Fuzz pedal.
Dels runs his rig through some sexy toys. Pictured here is the Electro-Harmonix Bass Micro Synth and a Looper. Not pictured are his Fulltone Bass Drive and the Ashdown/Aguilar bass combo he runs. It's sweet bling to the bass player.
electro-harmonix 6922 electron tube made in Russia.
This tube sounds better than Sylvania tube on my YAHA headphone amp. I like the face on the box.
Turns out this tube is broken as the white head shows. I ordered a replacement tube for it.
Rolleiflex 3.5F & Rolleinar 2 & Kodak Ektar 100
Creston “Flying Dutchman” guitar, Prescription Electronics Yardbox fuzz, Electro-Harmonix Deluxe Memory Man and an Electrosonic Thermosonic amplifier.
UFO Master-Blaster Station by Bambino. same game used for electronic sounds in Memories of Green on Blade Runner soundtrack.
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"One of the best scenes in the film occurs early on, when Deckard (Harrison Ford) has an awkward meeting with Rachael (Sean Young). The music heard in this scene fits it perfectly, yet was taken from an earlier Vangelis album. The piece, 'Memories Of Green', is distinctive for its melancholy, 'drunk' piano sound. Raphael Preston: 'We used an Electroharmonix Electric Mistress flanger pedal on 'Memories Of Green', putting a Steinway Grand through it. The electronic noises on there came from one of the first hand-held electronic games, a Japanese thing called the Bambino UFO Master Blaster Station! I had to play it for the length of the piece without losing the game, because when you lost, it made the most horrible noise." Sound on Sound web.archive.org/web/20160102144623/http://www.soundonsoun...
Amp is a take on a Mullard 5-20 using a 6CG7 as the phase splitter with a CCS in it's tail. It uses a NOS GE 6267, Electro-Harmonix 6CG7 & 6CA7 and a Sovtek 5AR4. Output transformers are Sowter UP21S. (tapped version of the UA21)
Power tansformers are primary windings for a mullard 5-20 and the chokes are made by VVT.
I've now tried Tung-Sol EL34B, JJ KT77 and these 6CA7. They all sound good but I have to admit to really liking these 6CA7's a lot.
I believe I have reached maximum pedal density on the pedalboard.
Put the CS-3, Big Muff and Swollen Pickle ( the wife wonders who the hell names these things ) and Fat Sandwich on loop through the NS-2. Put the CH-1 at the front of the effects pedals with an MXR Analog Chorus at the end. The Beat Buddy Mini and foot switch round out the "band".
Beautiful photo of a nearly full Monorocket Lexington by Monsturo. Nice selection of modules from a variety of manufacturers. Lots of oscillators, multiple filters and several sequencers for control. The Harvestman Stilton Adaptor is used for integrating external effects. LINK: www.myspace.com/monsturo .
Pedals:
TC Electronics PolyTune
Zvex Vexter Series Fuzz Factory
Digitech Bad Monkey
Vox VFS2a
Electro-Harmonix Holy Grail Plus
Electro-Harmonix Memory Boy
Artcessories ABY Coolswitch
T-Rex Fuel Tank Junior
Vibro Champ, Sole-Mate reverb, DMM, Plane Ticket Plus, Kelly Bowery Pine Tele. My rig hasn't changed in six or seven months.
PEDALBOARD, Facebook's biggest German speaking pedal nerd group with +16.000 members, chose our guitarist's baby as board of the week ❤
Here's the link to the article about Michael and his pedals (German only, sorry): www.pedalboard.org/blog/board-zum-sonntag-michael-bertl
Have a great week! ✌
#pedalboard #soundwork #wampler #pigtronix #boss #okko #redwitch #electroharmonix #sourceaudio #strymon #onecontrol #dunlop #walrus #lava #temple
Complete Triode Electronics.com ST-70 Tube Amp Build Kit.
Kit Inlcudes:
All parts needed for a complete Upgraded ST-70 Type Build except for the tubes. Including our custom made transformers which are made to original specs right here in Chicago Il. USA: PA-060-S Power Transformer (Nearly twice the lamination stack size of the original), A470-S Output Transformers, C354 Choke. As well as our Upgraded Heavy Duty Stainless Steel Chassis, TriodeElectronics ST-70 Driver Board (EF86 or 6AU6 Model, or no driver board for $64.95 less), and our TriodeElectronics Upgraded Capacitor Board.
What's so special about our Dynaco upgrade boards? The object of our upgrade boards is to provide a replacement for the original boards that would result in a perceptible improvement in sound quality and overall performance. These boards emulate the simple but highly effective (due to the short signal path and single gain stage) original Dynaco circuit, but with lower hum, noise, distortion and a wider voltage swing across heavier loads than a 7199, 6GH8, 6BL8/ECF80, 6U8/ECF82, or 6AN8, are capable of. The manual includes information on adapting the amplifier to different output & board tubes, adjusting resistor & capacitor values if desired, plus a comprehensive Troubleshooting Guide. Our newest version of the EF86 board has been slightly revised to accept 6922, 6DJ8, 7308, and 6CG7 in the phase inverter position as well as 12AU7, 12BH7, and ECC99 that were previously supported. Our 6AU6 version of the board is also available but does not support 6922, 6DJ8, 7308, or 6CG7.
Our Kit's a great choice if you really want to learn more about how your amplifier operates, too. You see, unlike many other Kit's, you are not totally locked in to only certain components, nor are you stuck with unchangeable circuit values which limit the versatility of your amplifier and further modifications. There's no "big secrets", you don't need permission from a "guru" to change or tweak it, the manual has instructions for about every change you could imagine making. Instructions are included for triode connecting the output tubes, which will give you a taste of hi-end triode-it is for the cost of 4 resistors, about $1. So, you've got a choice..you can just plug in & play, or you can do your own experimenting if you'd like to, learn a lot and become your own neighborhood Dynaco guru. And you won't break the bank doing it, either. The stock board and parts kit includes, transformers, choke, rca jacks, binding posts, metal film resistors, polypropylene capacitors, wire, Bias Pot, and sockets. which do just fine..but if you like you can modify many component values and try different or exotic parts and tweak to your heart's content. The board sounds fine even with the off the shelf, current production tubes, and special grading and matching is not absolutely necessary. It is a good example of what can be done with the original type of circuit with improved components, and makes a good case for the virtues of simplicity and short signal path in audio design. The TriodeElectronics ST70 boards emulate the simple but highly effective (due to the short signal path and single gain stage) original Dynaco circuit, but with lower hum, noise, distortion, and a wider voltage swing across heavier loads, than a 7199,6GH8,6BL8/ECF80, 6U8/ECF82 or 6AN8 are capable of. Comes without tubes, see our "Tubes for Dynacos" link at bottom of page for them. The board manual includes information on adapting the amplifier to different output & board tubes, adjusting resistor & capacitor values if desired, plus a comprehensive Troubleshooting Guide.
All kits include a comprehensive instruction manual with step by step build instructions. The sonic upgrade will be immediately noticed from a stock st70 type amp. With our board you are not captive to one design. It was made with the experimenter in mind. The driver board manual has the instructions to modify the board to use different tubes and part values, so later you are free to try different things that might sound better in your system.
Our ST70 Upgrade Cap Board Replaces the original aluminum can capacitor and increases capacity from the original 30-20-20-20 to over 500uF 's, using high quality capacitors which are bypassed by WIMA metalized polypropylene caps for superior high frequency response. This board gives the amp the bass definition the original lacked. Amp can be used with a 5AR4/GZ34 tube rectifier or solid state diode plugin unit (sold separately). It also replaces the bias supply capacitors & diode as well.
Kit also includes: 77-MIP-8 Amphenol Sockets, AGC Fuse Holder, Power Switch, Gold Plate Binding Posts, Gold teflon insulated RCA jacks, Bias Test Point Jacks, 10k bias potentiometers, offboard resistors included 10ohm biaset resistors (1V biaset), 20ft of brown cloth wire and more!
For our international customers you can also order the kit with our PA-521-S 230/240v export power transformer instead of the PA-060-S.
The kit is sold with everything you need to put it together except tubes, the driver board requires 2x EF86 or equivalent (or 6AU6 for the other version of board) tubes, and one of either 12AU7/ECC82 (or equivalent), or 12BH7 or ECC99. The power section of the amplifier requires four EL34/6CA7 tubes. If you will be using a tube rectifier (recommended) you will also need a 5AR4/GZ34 Tube. If you will be using a solid state rectifier let us know so we can adjust the cap board values for a higher voltage rating. We sell a octal plug in solid state rectifier if you want this option. With our kit you can have hours of tweaking and reconfiguring this amp to best suit your system and needs. Different, driver configurations, driver tube types, output tube types, and triode connection, all can be used and are explained. This is an amp you won't get bored with. We are very proud to offer you this amp, and thanks to our customers, whose feedback and suggestions, helped make this happen, and we look forward hear about how you customized, and what tweaks you have done to your amp.
We now offer the kit "without a driver board option", in case our driver board doesn't suit your needs, or you have an old original board you want to press back into service.
TriodeElectronics.com Kits, Tubes, Transformers, Sockets, Jacks, Binding posts, Capacitors, Resistors, Boards, Info, Tube Data, Links TriodeElectronics.com
Complete Triode Electronics.com ST-70 Tube Amp Build Kit.
Kit Inlcudes:
All parts needed for a complete Upgraded ST-70 Type Build except for the tubes. Including our custom made transformers which are made to original specs right here in Chicago Il. USA: PA-060-S Power Transformer (Nearly twice the lamination stack size of the original), A470-S Output Transformers, C354 Choke. As well as our Upgraded Heavy Duty Stainless Steel Chassis, TriodeElectronics ST-70 Driver Board (EF86 or 6AU6 Model, or no driver board for $64.95 less), and our TriodeElectronics Upgraded Capacitor Board.
What's so special about our Dynaco upgrade boards? The object of our upgrade boards is to provide a replacement for the original boards that would result in a perceptible improvement in sound quality and overall performance. These boards emulate the simple but highly effective (due to the short signal path and single gain stage) original Dynaco circuit, but with lower hum, noise, distortion and a wider voltage swing across heavier loads than a 7199, 6GH8, 6BL8/ECF80, 6U8/ECF82, or 6AN8, are capable of. The manual includes information on adapting the amplifier to different output & board tubes, adjusting resistor & capacitor values if desired, plus a comprehensive Troubleshooting Guide. Our newest version of the EF86 board has been slightly revised to accept 6922, 6DJ8, 7308, and 6CG7 in the phase inverter position as well as 12AU7, 12BH7, and ECC99 that were previously supported. Our 6AU6 version of the board is also available but does not support 6922, 6DJ8, 7308, or 6CG7.
Our Kit's a great choice if you really want to learn more about how your amplifier operates, too. You see, unlike many other Kit's, you are not totally locked in to only certain components, nor are you stuck with unchangeable circuit values which limit the versatility of your amplifier and further modifications. There's no "big secrets", you don't need permission from a "guru" to change or tweak it, the manual has instructions for about every change you could imagine making. Instructions are included for triode connecting the output tubes, which will give you a taste of hi-end triode-it is for the cost of 4 resistors, about $1. So, you've got a choice..you can just plug in & play, or you can do your own experimenting if you'd like to, learn a lot and become your own neighborhood Dynaco guru. And you won't break the bank doing it, either. The stock board and parts kit includes, transformers, choke, rca jacks, binding posts, metal film resistors, polypropylene capacitors, wire, Bias Pot, and sockets. which do just fine..but if you like you can modify many component values and try different or exotic parts and tweak to your heart's content. The board sounds fine even with the off the shelf, current production tubes, and special grading and matching is not absolutely necessary. It is a good example of what can be done with the original type of circuit with improved components, and makes a good case for the virtues of simplicity and short signal path in audio design. The TriodeElectronics ST70 boards emulate the simple but highly effective (due to the short signal path and single gain stage) original Dynaco circuit, but with lower hum, noise, distortion, and a wider voltage swing across heavier loads, than a 7199,6GH8,6BL8/ECF80, 6U8/ECF82 or 6AN8 are capable of. Comes without tubes, see our "Tubes for Dynacos" link at bottom of page for them. The board manual includes information on adapting the amplifier to different output & board tubes, adjusting resistor & capacitor values if desired, plus a comprehensive Troubleshooting Guide.
All kits include a comprehensive instruction manual with step by step build instructions. The sonic upgrade will be immediately noticed from a stock st70 type amp. With our board you are not captive to one design. It was made with the experimenter in mind. The driver board manual has the instructions to modify the board to use different tubes and part values, so later you are free to try different things that might sound better in your system.
Our ST70 Upgrade Cap Board Replaces the original aluminum can capacitor and increases capacity from the original 30-20-20-20 to over 500uF 's, using high quality capacitors which are bypassed by WIMA metalized polypropylene caps for superior high frequency response. This board gives the amp the bass definition the original lacked. Amp can be used with a 5AR4/GZ34 tube rectifier or solid state diode plugin unit (sold separately). It also replaces the bias supply capacitors & diode as well.
Kit also includes: 77-MIP-8 Amphenol Sockets, AGC Fuse Holder, Power Switch, Gold Plate Binding Posts, Gold teflon insulated RCA jacks, Bias Test Point Jacks, 10k bias potentiometers, offboard resistors included 10ohm biaset resistors (1V biaset), 20ft of brown cloth wire and more!
For our international customers you can also order the kit with our PA-521-S 230/240v export power transformer instead of the PA-060-S.
The kit is sold with everything you need to put it together except tubes, the driver board requires 2x EF86 or equivalent (or 6AU6 for the other version of board) tubes, and one of either 12AU7/ECC82 (or equivalent), or 12BH7 or ECC99. The power section of the amplifier requires four EL34/6CA7 tubes. If you will be using a tube rectifier (recommended) you will also need a 5AR4/GZ34 Tube. If you will be using a solid state rectifier let us know so we can adjust the cap board values for a higher voltage rating. We sell a octal plug in solid state rectifier if you want this option. With our kit you can have hours of tweaking and reconfiguring this amp to best suit your system and needs. Different, driver configurations, driver tube types, output tube types, and triode connection, all can be used and are explained. This is an amp you won't get bored with. We are very proud to offer you this amp, and thanks to our customers, whose feedback and suggestions, helped make this happen, and we look forward hear about how you customized, and what tweaks you have done to your amp.
We now offer the kit "without a driver board option" , in case our driver board doesn't suit your needs, or you have an old original board you want to press back into service.
TriodeElectronics.com Kits, Tubes, Transformers, Sockets, Jacks, Binding posts, Capacitors, Resistors, Boards, Info, Tube Data, Links TriodeElectronics.com
Want to to home-brew your own TriodeElectronics.com Upgraded, Dynaco(tm) style, Mk3 mono tube amp clone? Heres the Kit for you. The Mk3 was the top of the Classic Dynaco line. Sixty, all tube, watts, in a compact design. This Kit includes our most requested Mk3 upgrades, and will yield a world class amp. Our Kit's a great choice if you really want to learn more about how your amplifier operates, too. You see, unlike many other Kit's, you are not totally locked in to only certain components, nor are you stuck with unchangeable circuit values which limit the versatility of your amplifier and further modifications. There's no "big secrets", you don't need permission from a "guru" to change or tweak it, the manual has instructions for about every change you could imagine making. Instructions are included for triode connecting the output tubes, which will give you a taste of hi-end triode-itis for the cost of 4 resistors, about $1. So, you've got a choice..you can just plug in & play, or you can do your own experimenting if you'd like to, learn a lot and become your own neighborhood Dynaco guru. And you won't break the bank doing it, either. The stock board and parts kit includes, transformers, choke, rca jack, terminal strip, metal film resistors, polypropylene capacitors, wire, bias potentiometer, wire, and sockets. Which do just fine..but if you like you can modify many component values and try different or exotic parts and tweak to your heart's content. The boards will adapt to output tubes which need very low drive circuit impedance/ DC grid resistance like 8417's- or may be modified to whip out enough voltage to drive 300B's or 6B4's!! The board sounds fine even with the off the shelf, current production tubes, and special grading and matching is not absolutely necessary. It is a good example of what can be done with the original type of circuit with improved components, and makes a good case for the virtues of simplicity and short signal path in audio design. The TriodeElectronics Mk3 boards emulate the simple but highly effective (due to the short signal path and single gain stage) original Dynaco circuit, but with lower hum, noise, distortion, and a wider voltage swing across heavier loads, than a 7199,6GH8,6BL8/ECF80, 6U8/ECF82 or 6AN8 are capable of. Comes without tubes, see our "Tubes for Dynacos" link at bottom of page for them. The board manual includes information on adapting the amplifier to different output & board tubes, adjusting resistor & capacitor values if desired, plus a comprehensive Troubleshooting Guide. A online pictorial manual (like for our st70 kit) will be ready shortly. Thanks for the interest.
A431 S Output Transformer:
The primary is wound the same as the original A431, same number of turns, sections and wire size, using the same patented Dynaco winding method, and made on the same core size and material. Only improved insulation material used (thus making the transformer more resistant to abuse) and nice long (10 inch/ 25 cm minimum) teflon insulated leads have been added.
This transformer has what you'd expect out of a Dynaco transformer, like healthy low frequency inductance, high resistance to distortion caused by output tube imbalance, and low distortion overall.
This type of transformer can be used with many tube types, such as 6550, KT88, KT90, 6CA7/EL34 (like Mk 2), 6B4G. It may be used with triode, pentode, or ultralinear (screen tap connection) wired tube arrangements.
Transformer specs are: 4300 ohms CT primary with screen taps, 4,8 and 16 ohm secondary. 20 Hz to 20 KHz response at 60W, within 1 db, 30 Hz to 15 KHz at 120 watts. Max DC per side (suggested) 120 ma. Exact same dimensions as the original A431 Dynaco transformer: Height 4 3/4 inches (120 mm) Width 4 inches (101 mm), Depth over covers 4 1/2 inches (114 mm), mounting centers are 3 inches (75 mm) by 3 1/2 inches (88 mm).
P782 S Power Transformer:
Replacement power transformer for Dynaco (tm) Mark 3 and Mark 2 amplifiers. Bolts directly on without modifications. Also a bolton replacement for 60 watt (2 6550's or KT88's) Rated 400-0-400V (800VCT) at 200 ma (actually, will deliver up to 300 ma continuous, albeit at a slightly lower voltage) , 5V at 3A, 6.3VCT at 5A, also has 60V bias tap. Primary 117VAC 60 Hz. Transformer dimensions are 4 3/4 inches high X 3 3/4 wide X 3 3/4 inches deep over the covers, mounting hole centers are 2 7/8 inchs X 3 inches. Overseas Customers see the dropdown menu below for our Export version 120/220, works on 240/230 as well.
C354 Choke:
Replacement for chokes in Dynaco ST70, Mk2, Mk3 and Mk4. 1 1/2 inches (40 mm) tall on 2 3/8 inch (60 mm) mounting hole centers. 55 ohms, 1.5 henries, 10% tolerance, 2500 volt DC hipot tested, 200 ma DC. New unit made in Chicago,USA by transformer professionals with decades of experience manufacturing high voltage transformers.
Chassis:
Stainless Steel, Super, Heavy Duty, Punched, Chassis. Same dimensions as original. Our newest version of the Chassis has cut-outs for upgrade speaker binding posts, iec power cord connector, and bias point. Original or repro Mk3 cages will fit as on original. Nice stainless steel finish. Comes with top and bottom pieces. Custom built chassis made right here in Chicago IL. USA.
Driver Board:
Our Mark 3 board uses a cascoded triode front-end, which gives "pentode gain with triode noise" and allows the use of a wide variety of possible tubes with pinouts same as 12AU7, by simply changing 2 resistors on the board.Our newest version includes a filament jumper allowing use of tubes with 9AJ or 9LP pinout, thus allowing use of 6CG7/6FQ7 or 6N1-P as a phase splitter with no changes required other than changing the board jumper. For more information, please see our Dynaco Page. The kit includes all off board resistors. Kits Also include Board instruction manual, but not tubes, each board requires 1 each 12AU7/ECC82 (or equivalent, 6189,5814,etc) plus one each of either 12AU7/ECC82, 12BH7, 6CG7/6FQ7 or 6N1-P. Standard coupling capacitors are Xicon metallized polypropylene. You can get Sprage 715P polypropylene film & foil instead for a little extra. You can also order without a driver board. See dropdown menu at bottom.
Upgrade Cap Board:
These SDS Labs Power Supply boards replace the original can capacitors in Dynaco Mk3, Mk2. Fit on standoffs under the output transformers, no cutting or drilling required to install, just bolt in, hook up the wires and go!
The Mk3 board increases capacity to 50-50-50-50 uF (two 100 uF in series per section)and the voltage rating to 630V per section to eliminate capacitor problems the original 525V rated cap has that are caused by high line voltages and allows the use of solid-state diode replacements as well as the original tube (5AR4/GZ34 or 5U4) rectifier. Capacitors supplied with the board + parts kits, are Panasonic TS Series parts, temperature rated 85 C. Boards measure 3 inches (approx 77 mm) wide by 4 inches ( 102 mm) long, with about 1/4 (6.5 mm) overhang on each side for mounting standoff. Tightens up the power supply for Tremendous Bass.
Transformers come with manufacturer's 6 month exchange warranty on materials & workmanship