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dpFX PedalsdOTRsmoker, a FET pre-amp inspired by the Orange OTR-120 circuit.
The idea originally was given to me by a friend guitarist that was experimenting with various pre-amps. As a fan of the OTR-120 he suggested that it would be a nice option to have a transistor based reproduction of the OTR's pre-amp in a pedal footprint. And... here it is!
While many builders tend to call it "tube emulation" I am not a fan of this term despite the fact that many people out there use it.
The goal was to build a FET-based circuit with similar topology, same controls, with a frequency response close to the original pre-amp and
with a relatively high-gain capabilities.
The parametric EQ (Bass/Treble) is exactly the same as in the original circuit and the Presence control was implemented in a similar way, originally in the triode's cathode, here on the FET's source. The F.A.C. (Frequency Attenuation Control) behaves in the exact same way while minor changes have been made to the capacitor selection in order to maintain its flexibility similar to the original.
A voltage doubler has been added in order to provide the FETs and the circuit with the necessary headroom and gain range.
The circuit has been tuned for gain-oriented use and even with the gain knob at minimum position the sound doesn't clean up completely but it has a slight grit and goes up to high gain levels when turned to maximum.
dOTRsmoker is actually an all-around drive/distortion pedal with great range and flexibility. We designated it as "pre-amp" because its design
was based on a pre-amp and of course it can be used as one since it provides more than enough output volume especially in high gain settings
and can take other boost/drive pedals in front of it if you want to push it.
- True bypass
- Voltage Required: DC 9 Volt (voltage doubler inside)
- Polarity: Negative tip
- Current consumption: 8mA
- Enclosure dimensions: 120 x 95 x 35mm (4.72 x 3.74 x 1.37in)
- Weight: ~360gr
#dpFXpedals #dpFX #boutiquepedals #guitarpedals #preamppedal #preamp #distortionpedal #overdrivepedal #handmadeeffects #handpaintedpedals #pedalseffects #pedalsandeffects #otr120 #orangeotr120 #fetpreamp #guitareffects #guitarpreamp
The idea originally was given to me by a friend guitarist that was experimenting with various pre-amps. As a fan of the OTR-120 he suggested that it would be a nice option to have a transistor based reproduction of the OTR's pre-amp in a pedal footprint. And... here it is!
While many builders tend to call it "tube emulation" I am not a fan of this term despite the fact that many people out there use it.
The goal was to build a FET-based circuit with similar topology, same controls, with a frequency response close to the original pre-amp and
with a relatively high-gain capabilities.
The parametric EQ (Bass/Treble) is exactly the same as in the original circuit and the Presence control was implemented in a similar way, originally in the triode's cathode, here on the FET's source. The F.A.C. (Frequency Attenuation Control) behaves in the exact same way while minor changes have been made to the capacitor selection in order to maintain its flexibility similar to the original.
A voltage doubler has been added in order to provide the FETs and the circuit with the necessary headroom and gain range.
The circuit has been tuned for gain-oriented use and even with the gain knob at minimum position the sound doesn't clean up completely but it has a slight grit and goes up to high gain levels when turned to maximum.
dOTRsmoker is actually an all-around drive/distortion pedal with great range and flexibility. We designated it as "pre-amp" because its design
was based on a pre-amp and of course it can be used as one since it provides more than enough output volume especially in high gain settings
and can take other boost/drive pedals in front of it if you want to push it.
- True bypass
- Voltage Required: DC 9 Volt (voltage doubler inside)
- Polarity: Negative tip
- Current consumption: 8mA
- Enclosure dimensions: 120 x 95 x 35mm (4.72 x 3.74 x 1.37in)
- Weight: ~360gr
#dpFXpedals #dpFX #boutiquepedals #guitarpedals #preamppedal #preamp #distortionpedal #overdrivepedal #handmadeeffects #handpaintedpedals #pedalseffects #pedalsandeffects #otr120 #orangeotr120 #fetpreamp #guitareffects #guitarpreamp
KONSERT. A preamp in a pedal, based on the preamp of the Sunn Concert amplifier (Lead / Bass).
The circuit of this pedal is a replica of the preamp used by Sunn for the Concert Lead and Concert Bass amplifier.
The original schematics were used and a couple of more features were added to make it more versatile.
Volume, Boost and Distort and EQ functions are exactly set (circuitwise) as in the original circuit.
Internally, an extra power supply circuit was added in order to provide the necessary dual rail supply voltages that the original premp was using. All you need is the typical 9V power supply you use for your pedals.
**** Added features:
- Instrument Out. Use this output to connect the preamp to your pedals.
- Line Out. Use this output to connect the preamp directly to a power amp.
- XLR Out. Balanced output for connection with audio consoles etc.
Knobs & switches:
- D: Drive gain (works anti-clockwise)
- V: Volume
- B: Bass
- M: Mids
- T: Treble
- Brite toggle switch: Change the input setting Normal/Brite.
- Treble Boost toggle switch: Brighten your sound even more.
- Left footswitch: It acts as a bypass for the Instr.-Out and as a mute
for the Line-Out and the XLR-out.
- Middle footswitch: Boost ON/OFF
- Right footswitch: Distort ON/OFF
▹ Voltage Required: DC 9 Volt
▹ Polarity: Negative tip
▹ Current consumption: 65mA
▹ Weight: ~450gr
▹ Enclosure dimensions: 95 x 151 x 35 mm (3.74 x 5.95 x 1.38 in)
#dpFXpedals #dpFX #dpeffects #concertlead #concertbass #concertleadpreamp #concertbasspreamp #sunnamps #sunnpreamp #sunnconcertbass #sunnconcertlead #preamppedal #boutiquepedals #pedalbuilder #distortionpedal #overdrivepedal #handmadepedals #handpaintedpedals #guitareffects #basseffects #guitarpedals #basspedals #preamp #guitarpreamp #basspreamp #konsert #greekpedals #pedalsandeffects
The circuit of this pedal is a replica of the preamp used by Sunn for the Concert Lead and Concert Bass amplifier.
The original schematics were used and a couple of more features were added to make it more versatile.
Volume, Boost and Distort and EQ functions are exactly set (circuitwise) as in the original circuit.
Internally, an extra power supply circuit was added in order to provide the necessary dual rail supply voltages that the original premp was using. All you need is the typical 9V power supply you use for your pedals.
**** Added features:
- Instrument Out. Use this output to connect the preamp to your pedals.
- Line Out. Use this output to connect the preamp directly to a power amp.
- XLR Out. Balanced output for connection with audio consoles etc.
Knobs & switches:
- D: Drive gain (works anti-clockwise)
- V: Volume
- B: Bass
- M: Mids
- T: Treble
- Brite toggle switch: Change the input setting Normal/Brite.
- Treble Boost toggle switch: Brighten your sound even more.
- Left footswitch: It acts as a bypass for the Instr.-Out and as a mute
for the Line-Out and the XLR-out.
- Middle footswitch: Boost ON/OFF
- Right footswitch: Distort ON/OFF
▹ Voltage Required: DC 9 Volt
▹ Polarity: Negative tip
▹ Current consumption: 65mA
▹ Weight: ~450gr
▹ Enclosure dimensions: 95 x 151 x 35 mm (3.74 x 5.95 x 1.38 in)
#dpFXpedals #dpFX #dpeffects #concertlead #concertbass #concertleadpreamp #concertbasspreamp #sunnamps #sunnpreamp #sunnconcertbass #sunnconcertlead #preamppedal #boutiquepedals #pedalbuilder #distortionpedal #overdrivepedal #handmadepedals #handpaintedpedals #guitareffects #basseffects #guitarpedals #basspedals #preamp #guitarpreamp #basspreamp #konsert #greekpedals #pedalsandeffects
𖠰G̷̈̒̌͛͑̚͝ͅR̴̺͙̺̰͌̉͒̉͠M̴̏𖠰AVAILABLE NOW.
DIRTY DRONE DISTORTION - a doom drone stompbox (3rd batch)
This one is for heavy doom drone sounds, no matter if you run your stringed instruments (electric guitar/bass/etc) or a synth through it, the Dirty Drone Distortion will add 10 tons of weight to it. It is housed in a sturdy aluminum enclosure, hand-painted with ‘industry burnout’ camo patterns in black and silver. The circuit is a modded vintage SUNN MODEL T preamp based distortion with HIGH and LOW control and a build in duo-oscillator DIRTY DRONE section. MIX control blends the DRONES with the pedal’s input, before the distortion kicks in. But the machine can also be used as a stand alone drone synth, if you fancy. Each oscillator has a FREQUENCY control for and a WAVEFORM toggle-switch for TRIANGLE and SQUARE wave selection. The upper toggle has 3 positions, the middle position disables that oscillator, if a single non-overlaping waveform is desired. The third toggle engages the EXTREME DISTORTION mode when flipped to the right. (NOTE! this is not explained or shown in the 1st demo video, since i have changed this function after recording it.) The NORMAL DISTORTION (toggle left) results in the wonderfully saturated distortion this circuit is famous for. The right stomp-switch with indicator LED is the DRONE KILL switch, it engages or shuts down the oscillators completely for hands-free operation. The left stomp switch is the TRUE BYPASS with it’s own indicator LED (the LEDs are violet/UV and lime green, order my vary). VOLUME attenuates the global output level (BEWARE: the pedal is VERY loud!). Powered by 9V DC via a ‘boss-style’ 2.1mm DC socket (negative pin inside). Power supply not included. Handmade by GRM for Metsään.
Some demovideos can be found from youtube or the Metsään website.
https://metsn.tumblr.com/post/708974793317384192
#METSÄÄN #dirtydrone #dirtydronedistortion #thismachinekillsfascists #dronesynthesizer #dronepedal #dirtpedal #DirtyDrone #distortion
#distortionpedal #doomdrones
#doommetal #dronemetal #doomcore
#pedal #guitarpedal #fuzz #stompbox #noiseagainstfascism #noisenotmusic #anarxnoise
DIRTY DRONE DISTORTION - heavy tone controlled distortion with build in doom drone oscillators
DM for preorders. (185€+shipping) The last batches went rather fast. When i have done proper documentation, they will be also made available via METSÄÄN and other online shopping strip malls.
This one is for heavy doom drone sounds, no matter if you run your stringed instruments (electric guitar/bass/etc) or a synth through it, the Dirty Drone Distortion will add 10 tons. It is housed in a sturdy aluminum enclosure, hand-painted with ‘industry burnout’ camo patterns in black and silver. The circuit is a modded vintage SUNN MODEL T preamp based distortion with HIGH and LOW control and a build in duo-oscillator DIRTY DRONE section. MIX control blends the DRONES with the pedal’s input before the distortion kicks in. Each oscillator has a TUNE control and a WAVEFORM toggle-switch for TRIANGLE and SQUARE wave selection. The third toggle engages the EXTREME DISTORTION mode when flipped to the right. (NOTE! this is not explained or shown in the 1st demo video, since i have changed this function after recording it.) The NORMAL DISTORTION (toggle left) results the mighty saturated distortion this circuit is famous for. The right stomp-switch with indicator LED is the DRONE KILL switch, it engages or shuts down the oscillators completely for hands-free operation. The left stomp switch is the TRUE BYPASS with it’s own indicator LED (the LEDs are violet/UV and lime green, order my vary). VOLUME attenuates the global output level (BEWARE: the pedal is VERY loud!). Powered by 9V DC via a ‘boss-style’ 2.1mm DC socket (negative pin inside). Power supply not included. Handmade by GRM for Metsään.
#METSÄÄN #dirtydrone #dirtydronedistortion #thismachinekillsfascists #dronesynthesizer #dronepedal #dirtpedal #DirtyDrone #distortion
#distortionpedal #doomdrones
#doommetal #dronemetal #doomcore
#pedal #guitarpedal #fuzz #stompbox #noiseagainstfascism #noisenotmusic
Available now.
DIRTY DRONE DISTORTION - Distortion with build in doom drone oscillators
Still need to make a demo video with the NORMAL distortion setting, as the previous one only shows the EXTREME setting. Stay detuned.
This one is for heavy doom drone sounds, no matter if you run your stringed instruments (electric guitar/bass/etc) or a synth through it, the Dirty Drone Distortion will add 10 tons. It is housed in a sturdy aluminum enclosure, hand-painted with ‘industry burnout’ camo patterns in black and silver. The circuit is a modded vintage SUNN MODEL T preamp based distortion with HIGH and LOW control and a build in duo-oscillator DIRTY DRONE section. MIX control blends the DRONES with the pedal’s input before the distortion kicks in. Each oscillator has a TUNE control and a WAVEFORM toggle-switch for TRIANGLE and SQUARE wave selection. The third toggle engages the EXTREME DISTORTION mode when flipped to the right. (NOTE! this is not explained or shown in the 1st demo video, since i have changed this function after recording it.) The NORMAL DISTORTION (toggle left) results the mighty saturated distortion this circuit is famous for. The right stomp-switch with indicator LED is the DRONE KILL switch, it engages or shuts down the oscillators completely for hands-free operation. The left stomp switch is the TRUE BYPASS with it’s own indicator LED (the LEDs are violet/UV and lime green, order my vary). VOLUME attenuates the global output level (BEWARE: the pedal is VERY loud!). Powered by 9V DC via a ‘boss-style’ 2.1mm DC socket (negative pin inside). Power supply not included. Handmade by GRM for Metsään.
https://metsn.tumblr.com/post/703926314059579393
#METSÄÄN #dirtydrone #dirtydronedistortion #thismachinekillsfascists #dronesynthesizer #dronepedal #dirtpedal #DirtyDrone #distortion
#distortionpedal #doomdrones
#doommetal #dronemetal #doomcore
#pedal #guitarpedal #fuzz #stompbox #noiseagainstfascism #noisenotmusic
#fuzzpedal #pedalporn #pedalfetish #pedalboard #pedalcommodity #dirtstomp #stompbox
Available now.
DIRTY DRONE DISTORTION - Distortion with build in doom drone oscillators
Still need to make a demo video with the NORMAL distortion setting, as the previous one only shows the EXTREME setting. Stay detuned.
This one is for heavy doom drone sounds, no matter if you run your stringed instruments (electric guitar/bass/etc) or a synth through it, the Dirty Drone Distortion will add 10 tons. It is housed in a sturdy aluminum enclosure, hand-painted with ‘industry burnout’ camo patterns in black and silver. The circuit is a modded vintage SUNN MODEL T preamp based distortion with HIGH and LOW control and a build in duo-oscillator DIRTY DRONE section. MIX control blends the DRONES with the pedal’s input before the distortion kicks in. Each oscillator has a TUNE control and a WAVEFORM toggle-switch for TRIANGLE and SQUARE wave selection. The third toggle engages the EXTREME DISTORTION mode when flipped to the right. (NOTE! this is not explained or shown in the 1st demo video, since i have changed this function after recording it.) The NORMAL DISTORTION (toggle left) results the mighty saturated distortion this circuit is famous for. The right stomp-switch with indicator LED is the DRONE KILL switch, it engages or shuts down the oscillators completely for hands-free operation. The left stomp switch is the TRUE BYPASS with it’s own indicator LED (the LEDs are violet/UV and lime green, order my vary). VOLUME attenuates the global output level (BEWARE: the pedal is VERY loud!). Powered by 9V DC via a ‘boss-style’ 2.1mm DC socket (negative pin inside). Power supply not included. Handmade by GRM for Metsään.
https://metsn.tumblr.com/post/703926314059579393
#METSÄÄN #dirtydrone #dirtydronedistortion #thismachinekillsfascists #dronesynthesizer #dronepedal #dirtpedal #DirtyDrone #distortion
#distortionpedal #doomdrones
#doommetal #dronemetal #doomcore
#pedal #guitarpedal #fuzz #stompbox #noiseagainstfascism #noisenotmusic
#fuzzpedal #pedalporn #pedalfetish #pedalboard #pedalcommodity #dirtstomp #stompbox
BURNT OUT INDUSTRY CAMO
A new batch of #dirtydronedistortion in the making. Stay setuned.
This one is for heavy doom drone sounds added to your stringed instruments (electric guitar/bass/etc). A sturdy black aluminum enclosure hand-painted with broken hexagon scorced industry camo patterns in matte black and silver is housing a vintage SUNN MODEL T preamp based distortion with HIGH and LOW end booster and a build in duo-oscillator DRONE section. MIX control blends the DRONES with the pedal’s input before the distortion kicks in. Each oscillator has a TUNE control and a WAVEFORM toggle-switch for TRIANGLE and SQUARE wave selection. A third toggle switch adds a very subtle different distortion flavor. A DRONE KILL stomp-switch with UV indicator LED engages or shuts down the oscillators for hands-free operation. VOLUME dials in the global output volume (it’s a loud one!). True bypass with greenish indicator LED. Powered by 9V DC via a ‘boss-style’ 2.1mm DC socket (negative inside). PSU not included. Handmade by GRM for Metsään.
#thismachinekillsfascists #dronesynthesizer #dronepedal #dirtpedal #DirtyDrone #distortion
#distortionpedal #doomdrones
#doommetal #dronemetal #doomcore
#pedal #guitarpedal #fuzz #noiseagainstfascism #noisenotmusic
#fuzzpedal #pedalporn #pedalfetish #pedalcommodity
