Thermionic Studios - Recent changes [en]

Ormagoden

Zander — Sun, 27 Sep 2026 20:23:35 GMT

‎Tech Specs

Doubly

Zander — Sun, 27 Sep 2026 07:33:37 GMT

Ormagoden

Zander — Sun, 27 Sep 2026 06:50:48 GMT

‎Technical Specifications & Architecture

Ormagoden

Zander — Sat, 26 Sep 2026 22:42:31 GMT

Created page with "'''Ormagöden''' is a custom-engineered, flagship 220-Watt cathode-biased tube monster bass amplifier head in the Thermionic Studios fleet. It is built explicitly for abso..."

New page

'''Ormagöden''' is a custom-engineered, flagship 220-Watt cathode-biased tube monster bass amplifier head in the [[Thermionic Studios]] fleet. It is built explicitly for absolute volume worship. It will be available for rental for rehearsal, recording, and performance, within the Southern California area.

== Technical Specifications & Architecture ==

{| class="wikitable" style="width: 100%;"
|-
! Parameter !! Specification !! Engineering Notes
|-
| '''Topology''' || Quad Class AB Cathode-Biased Beam Power Tetrode || Optimized for dynamic, touch-sensitive sag, musical even-order harmonics, and a dense mid-range bloom.
|-
| '''Power Output''' || 220 Watts RMS Clean / 240+ Watts Saturated Peak || Continuous clean floor up to 1% THD; pushes past into a soft, square-wave power tube distortion.
|-
| '''Power Tubes''' || 4x Tung-Sol KT-120 Reissue || Massive 60-Watt plate dissipation rating per bottle, engineered to withstand continuous stage punishment.
|-
| '''Phase Inverter''' || 1x Vintage 12BH7 Double Triode || Estate-sale vintage television vertical deflection tube running a Long-Tailed Pair layout. Low internal resistance ($ pprox$ 5,500 $\Omega$).
|-
| '''Driver Stage''' || 2x 12AT7 Dual Triodes (Dedicated Quad-Triode Driver Deck) || Post-Phase Inverter Differential Gain Block. Each of the four triodes is independently dedicated to driving its own KT-120 grid, establishing an un-loaded 24:1 impedance leverage ratio.
|-
| '''Rectification''' || Solid-State Silicon Diode Bridge (4x 1N5408 / UF5408) || 3-Amp / 1000V high-current gates providing zero rectifier sag. Keeps the B+ rail completely rigid to balance out the compression of the cathode furnace.
|-
| '''Cathode Bias Network''' || 150 $\Omega$ Shared / 200W Top-Deck Gold Aluminum Array || Four 50-Watt gold-jacketed chassis-mount power resistors wired in parallel on the top exterior deck of the chassis plate.
|-
| '''Bypass Capacitance''' || 470µF / 100V Electrolytic + MLCC Array || Massive low-frequency reservoir running parallel to the gold resistors to preserve deep, un-attenuated sub-bass transients.
|-
| '''Grid Leak Constraints''' || 240,000 $\Omega$ Maximum Per Tube ($R_{g1}$) || Cathode-bias architecture safely expands the fixed-bias 51k$\Omega$ limit, preventing thermal runaway or grid-loading signal collapse.
|-
| '''Coupling Capacitors''' || Sprague 715P/716P Orange Drops (600V Polypropylene) || 0.1µF off the 12BH7 phase inverter; 0.22µF off the 12AT7 driver plates to maximize low-frequency fundamental transmission.
|}

== Mechanical & Industrial Design ==

The physical build of Ormagöden completely rejects traditional, lightweight consumer amplifier enclosures, utilizing an industrial, heavy-duty structural layout that scales its total weight to an estimated '''60 to 70 pounds''':

* '''The 304 Stainless Steel Battleship Chassis:''' A thick 12-gauge or 10-gauge structural 304 Austenitic Stainless Steel deck pan built to support colossal transformer weight without any physical deflection, twisting, or mechanical warping.
* '''Top-Side Exposed Exoskeleton Bracing:''' Structural stainless steel angle reinforcing trusses are TIG-welded directly onto the ''outside top deck'' of the chassis sheet. The welding process leaves a raw, exposed, multi-colored titanium-like chromatic oxide "rainbow" patina (heat tinting) along the structural weld beads as an intentional aesthetic flex.
* '''The Quad-Tube Thermal Furnace Layout:''' Four KT-120 envelopes radiating up to 482°F (250°C) each are positioned adjacent to top-deck chassis ventilation slots to initiate a natural convective draft, pulling cool air through the bottom deck and dumping infrared energy straight out of the box.
* '''The Dual-Engine Iron Core Platform:'''
** ''The Plate Engine:'' Standalone, high-current Ampeg SVT-class replacement power transformer delivering a continuous 1.0 Amp (1000mA) DC current rail.
** ''The Filament Furnace:'' Dedicated 6.3V AC / 10-Amp auxiliary heater transformer oriented at an exact 90-degree perpendicular phase offset relative to the plate iron core laminations to cross-cancel electromagnetic stray fields and eliminate 60Hz inductive hum.
* '''The Enclosure Vault:''' A solid Baltic birch plywood floor and side-panel base fully upholstered in menacing, deeply embossed Red Croc Faux Leather. The front, back, and roof are wrapped in an unbroken, heavy-duty black steel expanded metal cage grate.
* '''Ergonomic Road Armor:''' Dual Reliable Hardware RH-6630 16-gauge Recessed Edge Handles are mechanically anchored across the top corner seams using structural steel backing washers and pop rivets, allowing a transport dolly or road crew to lift the monolith securely.

== Internal Circuitry & Grounding Discipline ==

Because 304 stainless steel carries a significantly higher internal electrical resistance than standard aluminum, traditional chassis-grounding points are strictly forbidden to eliminate ground loops:

* '''Isolated Single-Point Star Ground Bus:''' A heavy-gauge, continuous piece of bare copper wire runs entirely across the tube sockets to act as an isolated ground rail. Every single preamp, driver, filter, and cathode ground links directly to this copper bus.
* '''The Chassis Ground Anchor:''' The solid copper grounding rail connects to the stainless steel chassis frame at exactly ''one single, dedicated brass bolt'' right next to the main AC power entry.
* '''High-Voltage Lead Dress:''' High-temperature, heavy-gauge Teflon-insulated hookup wires pass through rubber wiring grommets bored via cobalt/carbide tools to prevent the sharp edges of the stainless steel from chafing insulation.
* '''Post-Phase Inverter Master Volume (PPIMV):** Dual-ganged 100k$\Omega$ or 250k$\Omega$ audio-taper potentiometers are positioned between the 12BH7 phase inverter and the 12AT7 driver grids, allowing full preamp saturation while managing live stage monitoring limits.

== Platform & Marketplace Integration ==

Within the [[Thermionic Studios]] ecosystem, Ormagöden functions as a highly protected, tier-locked flagship asset designed to maximize customer passion and drive booking velocity across regional markets:

* '''The Unobtainium Funnel (The Carmel-by-the-Sea Model):''' Much like a custom destination bakery, Ormagöden acts as an idiosyncratic culture hook. Its mythic status attracts musicians who want to experience its unique, high-observation analog tracking environment, serving as the ultimate top-of-funnel draw to book underutilized industrial garage slots.
* '''The Frank Barsalona Honor Loop Integration:''' Access to Ormagöden is tied straight to the automated, transactional [[Band Trust Score]]. Bands cannot buy access; they generate "Honor Capital" on the home front via immaculate room respect and flawless payment processing history. They spend this Honor to lock down touring rentals or book this flagship head across 3 to 4 major metropolitan markets.
* '''Live Performance Edge:''' Pure silicon rectification combined with the un-sagging 1A plate engine ensures that when real-world venue voltage grids sag during live sets, the B+ rail stays rigid. The amplifier preserves a razor-sharp transient note attack while pushing dense, squared even-order musical harmonics straight through the room.

Thermionic Amplifiers

Zander — Sat, 26 Sep 2026 22:39:20 GMT

‎Thermionic Studios

Doubly

Zander — Sat, 26 Sep 2026 22:24:28 GMT

Doubly

Zander — Sat, 26 Sep 2026 21:55:51 GMT

Created page with "<blockquote> <div style="background-color:#222222; border:2px solid #e69710; padding:10px; {{border-radius|8px}}"> <center>'''"You don't do heavy metal in doubly, you know"'''..."

New page

<blockquote>
<div style="background-color:#222222; border:2px solid #e69710; padding:10px; {{border-radius|8px}}">
<center>'''"You don't do heavy metal in doubly, you know"''' - Jeanine Pettibone<br />
[https://www.youtube.com/watch?v=fkfOdi3TkuA|"This is Spinal Tap", 1984]</center>
</div>
</blockquote>

'''"(Heavy Metal in) Doubly"''' as it is properly named, or '''"Doubly"''' as we call it, is our attempt to build and make available what we think is one of the cooler ideas with respect to electric basses:

Stacked Humbucking Jazz Bass Pickups.

Humbucking *and* shielded for a clear and pure signal for the amp

Basses

Zander — Sat, 26 Sep 2026 21:22:53 GMT

Created page with "== Thermionic instruments == * Scar * Doubly * Fakenbacker"

New page

== Thermionic instruments ==

* [[Scar]]
* [[Doubly]]
* [[Fakenbacker]]

@@ Line 1: / Line 1: @@
-'''Ormagöden''' is a custom-engineered, flagship 220-Watt cathode-biased tube monster bass amplifier head in the [[Thermionic Studios]] fleet. It is built explicitly for absolute volume worship.  It will be available for rental for rehearsal, recording, and performance, within the Southern California area.
+{| align="right"
-== Technical Specifications & Architecture ==
+<blockquote>
 {| class="wikitable" style="left; margin-right:20px; background-color:#eeffee; border:2px solid #e69710;" cellpadding="10"
@@ Line 19: / Line 47: @@
 | '''Rectification''' || Solid-State Silicon Diode Bridge (4x 1N5408 / UF5408) || 3-Amp / 1000V high-current gates providing zero rectifier sag. Keeps the B+ rail completely rigid to balance out the compression of the cathode furnace.
 |-
-| '''Cathode Bias Network''' || 150 $\Omega$ Shared / 200W Top-Deck Gold Aluminum Array || Four 50-Watt gold-jacketed chassis-mount power resistors wired in parallel on the top exterior deck of the chassis plate.
+| '''Cathode Bias Network''' || 150-ohm shared / 200W Top-deck gold aluminum resistor array || Four 50-Watt gold-jacketed chassis-mount power resistors wired in parallel on the top exterior deck of the chassis plate.
 |-
 | '''Bypass Capacitance''' || 470µF / 100V Electrolytic + MLCC Array || Massive low-frequency reservoir running parallel to the gold resistors to preserve deep, un-attenuated sub-bass transients.
@@ Line 46: / Line 74: @@
 * '''The Chassis Ground Anchor:''' The solid copper grounding rail connects to the stainless steel chassis frame at exactly ''one single, dedicated brass bolt'' right next to the main AC power entry.
 * '''High-Voltage Lead Dress:''' High-temperature, heavy-gauge Teflon-insulated hookup wires pass through rubber wiring grommets bored via cobalt/carbide tools to prevent the sharp edges of the stainless steel from chafing insulation.
-* '''Post-Phase Inverter Master Volume (PPIMV):** Dual-ganged 100k=ohm audio-taper potentiometers are positioned between the 12BH7 phase inverter and the 12AT7 driver grids, allowing full preamp saturation while managing live stage monitoring limits.
+* '''Post-Phase Inverter Master Volume (PPIMV):** Dual-ganged 250k-ohm audio-taper potentiometers are positioned between the 12BH7 phase inverter and the 12AT7 driver grids, allowing full preamp saturation while managing live stage monitoring limits.
 * '''Rectifier:''' Pure silicon rectification combined with the un-sagging 1A plate engine ensures that when real-world venue voltage grids sag during live sets, the B+ rail stays rigid. The amplifier preserves a razor-sharp transient note attack while pushing dense, squared even-order musical harmonics straight through the room.

← Older revision		Revision as of 07:33, 27 September 2026
Line 1:		Line 1:
		+	{\| align="right"
		+	\| __TOC__
		+	\|}
	<blockquote>		<blockquote>
	<div style="background-color:#222222; border:2px solid #e69710; padding:10px; {{border-radius\|8px}}">		<div style="background-color:#222222; border:2px solid #e69710; padding:10px; {{border-radius\|8px}}">

@@ Line 113: / Line 113: @@
 ==Thermionic Studios==
-* [[5E3 Tweed Deluxe]]
+* [[Ormagoden]]:
-* [[5E3P Tweed ProLuxe]]
+* [[5E3 Tweed Deluxe]]:
 * [[Hiwatt 50]]:
 * [[Marshall 50]]:
 * [[Marshall 50]]:
-* [[Marshall 50 HotRod]]
+* [[Marshall 50 HotRod]]:
 * [[Marshall 100]]:
 * [[Marshall 100]]:

@@ Line 3: / Line 3: @@
 == Technical Specifications & Architecture ==
-{| class="wikitable" style="width: 100%;"
+{| class="wikitable" style="left; margin-right:20px; background-color:#eeffee; border:2px solid #e69710;" cellpadding="10"
 |-
 ! Parameter !! Specification !! Engineering Notes
@@ Line 23: / Line 23: @@
 | '''Bypass Capacitance''' || 470µF / 100V Electrolytic + MLCC Array || Massive low-frequency reservoir running parallel to the gold resistors to preserve deep, un-attenuated sub-bass transients.
 |-
-| '''Grid Leak Constraints''' || 240,000 $\Omega$ Maximum Per Tube ($R_{g1}$) || Cathode-bias architecture safely expands the fixed-bias 51k$\Omega$ limit, preventing thermal runaway or grid-loading signal collapse.
+| '''Grid Leak Constraints''' || 240,000 ohm Maximum Per Tube || Cathode-bias architecture safely expands the fixed-bias 51k$\Omega$ limit, preventing thermal runaway or grid-loading signal collapse.
 |-
 | '''Coupling Capacitors''' || Sprague 715P/716P Orange Drops (600V Polypropylene) || 0.1µF off the 12BH7 phase inverter; 0.22µF off the 12AT7 driver plates to maximize low-frequency fundamental transmission.
 |}
-== Mechanical & Industrial Design ==
+== Headshell ==
 * '''The 304 Stainless Steel Battleship Chassis:''' A thick 12-gauge or 10-gauge structural 304 Austenitic Stainless Steel deck pan built to support colossal transformer weight without any physical deflection, twisting, or mechanical warping.
@@ Line 41: / Line 39: @@
 * '''Ergonomic Road Armor:''' Dual Reliable Hardware RH-6630 16-gauge Recessed Edge Handles are mechanically anchored across the top corner seams using structural steel backing washers and pop rivets, allowing a transport dolly or road crew to lift the monolith securely.
-== Internal Circuitry & Grounding Discipline ==
+== Grounding ==
 Because 304 stainless steel carries a significantly higher internal electrical resistance than standard aluminum, traditional chassis-grounding points are strictly forbidden to eliminate ground loops:
-* '''Isolated Single-Point Star Ground Bus:''' A heavy-gauge, continuous piece of bare copper wire runs entirely across the tube sockets to act as an isolated ground rail. Every single preamp, driver, filter, and cathode ground links directly to this copper bus.
+* '''Grounding Scheme:''' A heavy-gauge, continuous piece of bare copper wire runs entirely across the tube sockets to act as an isolated ground rail. Every single preamp, driver, filter, and cathode ground links directly to this copper bus.
 * '''The Chassis Ground Anchor:''' The solid copper grounding rail connects to the stainless steel chassis frame at exactly ''one single, dedicated brass bolt'' right next to the main AC power entry.
 * '''High-Voltage Lead Dress:''' High-temperature, heavy-gauge Teflon-insulated hookup wires pass through rubber wiring grommets bored via cobalt/carbide tools to prevent the sharp edges of the stainless steel from chafing insulation.
-* '''Post-Phase Inverter Master Volume (PPIMV):** Dual-ganged 100k$\Omega$ or 250k$\Omega$ audio-taper potentiometers are positioned between the 12BH7 phase inverter and the 12AT7 driver grids, allowing full preamp saturation while managing live stage monitoring limits.
+* '''Post-Phase Inverter Master Volume (PPIMV):** Dual-ganged 100k=ohm audio-taper potentiometers are positioned between the 12BH7 phase inverter and the 12AT7 driver grids, allowing full preamp saturation while managing live stage monitoring limits.
-== Platform & Marketplace Integration ==
+== Considerations ==
-Within the [[Thermionic Studios]] ecosystem, Ormagöden functions as a highly protected, tier-locked flagship asset designed to maximize customer passion and drive booking velocity across regional markets:
+The millisecond ''after'' that percussive string-snap cuts through the room, the current hits the 150-Ohm resistor cathode network. The power section is designed to sag and bloom.  It's been designed to not only offer wooly bass tones, but to make sure that those tones do not get lost in a band's mix.
-* '''The Unobtainium Funnel (The Carmel-by-the-Sea Model):''' Much like a custom destination bakery, Ormagöden acts as an idiosyncratic culture hook. Its mythic status attracts musicians who want to experience its unique, high-observation analog tracking environment, serving as the ultimate top-of-funnel draw to book underutilized industrial garage slots.
+For or purposes, Ormagöden is a piece of basic research.  We want to hear what happens when high-powered power tubes are pushed into distortion by a previous gain stage's output.  This is why we have an additional gain stage after the phase inverter.  The phase inverter isn't pushing the power tubes.  An separate gain stage is built-in to push the power tubes so the phase inverter doesn't have to.

@@ Line 8: / Line 8: @@
 '''"(Heavy Metal in) Doubly"''' as it is properly named, or '''"Doubly"''' as we call it, is our attempt to build and make available what we think is one of the cooler ideas with respect to electric basses:
-Stacked Humbucking Jazz Bass Pickups.
+; Doubled-up Jazz Bass Pickups (four total coils) wound into two actual coil-splittable humbuckers.
-Humbucking *and* shielded for a clear and pure signal for the amp
+What follows is our journey developing the idea and the instrument.