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T202 Line Out - Tone Cab Output?

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  • T202 Line Out - Tone Cab Output?

    Fellow T-Fanatics, I'm currently using a unique set-up to provide a noise-free line output from my T202, using a Boss NS-2 Noise Suppressor pedal to clean up the signal.
    I've posted about this previously so I'll skip the details.
    Pin 3 of the recovery board feeds the noise gate trigger input of a Boss NS-2 Noise Suppressor pedal, via a 9dB attenuator (simple L-pad resistor circuit) but no transformer isolator or buffer. It's a parallel output, the signal remains connected to wherever Pin 3 normally goes to. The input of the Boss NS-2 is buffered, as are all Boss pedals.
    The Tone Cabinet output on the main amp board (sorry I forget which pin, maybe 24?) is directly connected to a 15dB attenuator (simple L-Pad, but no transformer isolator or buffer) into the guitar input of a Korg A5 multi-effect unit. I suspect this input is buffered as it feeds a digital DSP effects unit.
    The attenuated Tone Cabinet output is perfectly level matched to the guitar input of the Korg A5 unit.
    The T202 headphone output is connected to the line input of a Tascam M-320 audio console with 30dB attenuator engaged. This provides a secondary line output and also mutes the T202's internal speakers.
    My questions are:

    1) Is it doing any harm to the main amp of the T202 to use the Tone Cabinet output in this way, without an isolator or buffer other than the input buffer in the Korg A5?
    2) It is doing any harm to the main amp of the T202 to use the headphone output in this way, with no isolator or buffer, straight into the Tascam M-320's line input with 30dB attenuator engaged?
    3) Will this harm the line input of the M-320?
    4) Is it doing any harm to the recovery amp to use the Pin 3 output in this way, without an isolator or buffer other than the input buffer on the Boss NS-2?
    5) Will any of the L-Pad attenuators harm the sources to which they are connected? They are simple resistor circuits using 0.5w metal film and 1w carbon comp resistors.
    6) What is the best and safest way to temporarily disable the internal speaker output? Is it as simple as plugging in an unterminated 1/4" jack into the headphone socket?

    Thanks in advance!
    Current:
    1971 T-202 with Carsten Meyer mods: Remove key click filters, single-trigger percussion, UM 16' drawbar volume correction. Lower Manual bass foldback.
    Korg CX3 (original 1980's analogue model).
    1967 Leslie 122 with custom inbuilt preamp on back panel for 1/4" line-level inputs, bass & treble controls. Horn diffusers intact.
    2009 Marshall 2061x HW Plexi head into Marshall 4x12 cabinet.

    Former:
    1964 C3
    196x M-102
    197x X5
    197x Leslie 825

  • #2
    The T's solid state amp is as robust as a block of plasti-crete.
    While supposedly you're meant to put a speaker load on the amp, the trannies really don't give a poot. It's a bit different for a valve amp though.
    Pokin' an empty jack in the headphone socket is as fine as can be.

    The Pin 3 output should be jus' fine.
    -1958 Hofner 550 archtop guitar -1959 C3 and PR40- -1964 Busillachio Harmonium- -1964 M101-
    -1967ish Leslie 122- -1975 T500 (modded..chopped, and reassembled!)-
    -DIY 760 FrankenLeslie/rat hideout-
    -1980 Electrokey Electric Piano- -Yamaha electric Harmonium (early 80's?)-
    -1990 Jansen GMF150 amp- -1992 Korg 01W/fd- -1992 G&L S-500 geetar.

    Comment


    • #3
      Originally posted by Brendon Wright View Post
      The T's solid state amp is as robust as a block of plasti-crete.
      While supposedly you're meant to put a speaker load on the amp, the trannies really don't give a poot. It's a bit different for a valve amp though.
      Pokin' an empty jack in the headphone socket is as fine as can be.

      The Pin 3 output should be jus' fine.
      Thanks Brendon!

      Gonna let the T202 off the leash at a jam on Friday, firing up the Marshall stack for some good ol' Jon Lord screaming Hammond :)
      Current:
      1971 T-202 with Carsten Meyer mods: Remove key click filters, single-trigger percussion, UM 16' drawbar volume correction. Lower Manual bass foldback.
      Korg CX3 (original 1980's analogue model).
      1967 Leslie 122 with custom inbuilt preamp on back panel for 1/4" line-level inputs, bass & treble controls. Horn diffusers intact.
      2009 Marshall 2061x HW Plexi head into Marshall 4x12 cabinet.

      Former:
      1964 C3
      196x M-102
      197x X5
      197x Leslie 825

      Comment

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