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beelzebum

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@beelzebum

Active 7 years, 4 months ago
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  • Profile picture of beelzebum

    beelzebum replied to the topic Different output tubes in the forum 2 Stroke Amplifier Design and Building 8 years, 11 months ago

    To start off, here is a link to some very useful information.

    http://www.diyparadise.com/tubeloadline/tubeloadlines.html

    All things being equal to someone else’s amp (voltage, bias, load) then a similar tube should sound similar in your amp. The load is your speaker, and every speaker responds differently to different frequencies, meaning the…[Read more]

  • Profile picture of beelzebum

    beelzebum replied to the topic Different output tubes in the forum 2 Stroke Amplifier Design and Building 8 years, 11 months ago

    To start off, here is a link to some very useful information.

    http://www.diyparadise.com/tubeloadline/tubeloadlines.html

    All things being equal to someone else’s amp (voltage, bias, load) then a similar tube should sound similar in your amp. The load is your speaker, and every speaker responds differently to different frequencies, meaning the…[Read more]

  • Profile picture of beelzebum

    beelzebum replied to the topic Different output tubes in the forum 2 Stroke Amplifier Design and Building 8 years, 11 months ago

    To start off, here is a link to some very useful information.

    http://www.diyparadise.com/tubeloadline/tubeloadlines.html

    All things being equal to someone else’s amp (voltage, bias, load) then a similar tube should sound similar in your amp. The load is your speaker, and every speaker responds differently to different frequencies, meaning the…[Read more]

  • Profile picture of beelzebum

    beelzebum replied to the topic Different output tubes in the forum 2 Stroke Amplifier Design and Building 8 years, 11 months ago

    To start off, here is a link to some very useful information.

    http://www.diyparadise.com/tubeloadline/tubeloadlines.html

    All things being equal to someone else’s amp (voltage, bias, load) then a similar tube should sound similar in your amp. The load is your speaker, and every speaker responds differently to different frequencies, meaning the…[Read more]

  • Profile picture of beelzebum

    beelzebum replied to the topic Different output tubes in the forum 2 Stroke Amplifier Design and Building 8 years, 11 months ago

    To start off, here is a link to some very useful information.

    http://www.diyparadise.com/tubeloadline/tubeloadlines.html

    All things being equal to someone else’s amp (voltage, bias, load) then a similar tube should sound similar in your amp. The load is your speaker, and every speaker responds differently to different frequencies, meaning the…[Read more]

  • Profile picture of beelzebum

    beelzebum replied to the topic Different output tubes in the forum 2 Stroke Amplifier Design and Building 8 years, 12 months ago

    It would be easy to just list tubes that I like for various reasons, but that would not be benificial to you. A power tube’s sound depends on a lot of other factors. Even though people are following the same basic schematic, your choice of speaker, power supply, output transformer, and preamp tube will affect the power tube’s sound. It would be…[Read more]

  • Profile picture of beelzebum

    beelzebum replied to the topic Different output tubes in the forum 2 Stroke Amplifier Design and Building 8 years, 12 months ago

    It would be easy to just list tubes that I like for various reasons, but that would not be benificial to you. A power tube’s sound depends on a lot of other factors. Even though people are following the same basic schematic, your choice of speaker, power supply, output transformer, and preamp tube will affect the power tube’s sound. It would be…[Read more]

  • Profile picture of beelzebum

    beelzebum replied to the topic Different output tubes in the forum 2 Stroke Amplifier Design and Building 8 years, 12 months ago

    It would be easy to just list tubes that I like for various reasons, but that would not be benificial to you. A power tube’s sound depends on a lot of other factors. Even though people are following the same basic schematic, your choice of speaker, power supply, output transformer, and preamp tube will affect the power tube’s sound. It would be…[Read more]

  • Profile picture of beelzebum

    beelzebum replied to the topic Different output tubes in the forum 2 Stroke Amplifier Design and Building 8 years, 12 months ago

    It would be easy to just list tubes that I like for various reasons, but that would not be benificial to you. A power tube’s sound depends on a lot of other factors. Even though people are following the same basic schematic, your choice of speaker, power supply, output transformer, and preamp tube will affect the power tube’s sound. It would be…[Read more]

  • Profile picture of beelzebum

    beelzebum replied to the topic Different output tubes in the forum 2 Stroke Amplifier Design and Building 8 years, 12 months ago

    It would be easy to just list tubes that I like for various reasons, but that would not be benificial to you. A power tube’s sound depends on a lot of other factors. Even though people are following the same basic schematic, your choice of speaker, power supply, output transformer, and preamp tube will affect the power tube’s sound. It would be…[Read more]

  • Profile picture of beelzebum

    beelzebum replied to the topic the silence is deafening in the forum 2 Stroke Amplifier Design and Building 9 years, 3 months ago

    It sounds like your 1/4″ plug is shorting. Shrink wrap the wires separately before screwing the plug together.

  • Profile picture of beelzebum

    beelzebum replied to the topic the silence is deafening in the forum 2 Stroke Amplifier Design and Building 9 years, 3 months ago

    It sounds like your 1/4″ plug is shorting. Shrink wrap the wires separately before screwing the plug together.

  • Profile picture of beelzebum

    beelzebum replied to the topic the silence is deafening in the forum 2 Stroke Amplifier Design and Building 9 years, 3 months ago

    It sounds like your 1/4″ plug is shorting. Shrink wrap the wires separately before screwing the plug together.

  • Profile picture of beelzebum

    beelzebum replied to the topic the silence is deafening in the forum 2 Stroke Amplifier Design and Building 9 years, 3 months ago

    It sounds like your 1/4″ plug is shorting. Shrink wrap the wires separately before screwing the plug together.

  • Profile picture of beelzebum

    beelzebum replied to the topic the silence is deafening in the forum 2 Stroke Amplifier Design and Building 9 years, 3 months ago

    It sounds like your 1/4″ plug is shorting. Shrink wrap the wires separately before screwing the plug together.

  • Profile picture of beelzebum

    beelzebum replied to the topic Burning through Pilot Light Bulbs in the forum 2 Stroke Amplifier Design and Building 9 years, 7 months ago

    I looked at the images you have. I can’t tell from the image, but do you have both resistors installed on your input jack. I couldn’t see the 68k grid stopper between the jack tip and pin 2 of the 12ax7.

  • Profile picture of beelzebum

    beelzebum replied to the topic Burning through Pilot Light Bulbs in the forum 2 Stroke Amplifier Design and Building 9 years, 7 months ago

    I looked at the images you have. I can’t tell from the image, but do you have both resistors installed on your input jack. I couldn’t see the 68k grid stopper between the jack tip and pin 2 of the 12ax7.

  • Profile picture of beelzebum

    beelzebum replied to the topic Burning through Pilot Light Bulbs in the forum 2 Stroke Amplifier Design and Building 9 years, 7 months ago

    I looked at the images you have. I can’t tell from the image, but do you have both resistors installed on your input jack. I couldn’t see the 68k grid stopper between the jack tip and pin 2 of the 12ax7.

  • Profile picture of beelzebum

    beelzebum replied to the topic Burning through Pilot Light Bulbs in the forum 2 Stroke Amplifier Design and Building 9 years, 7 months ago

    I looked at the images you have. I can’t tell from the image, but do you have both resistors installed on your input jack. I couldn’t see the 68k grid stopper between the jack tip and pin 2 of the 12ax7.

  • Profile picture of beelzebum

    beelzebum replied to the topic Burning through Pilot Light Bulbs in the forum 2 Stroke Amplifier Design and Building 9 years, 7 months ago

    I looked at the images you have. I can’t tell from the image, but do you have both resistors installed on your input jack. I couldn’t see the 68k grid stopper between the jack tip and pin 2 of the 12ax7.

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