Tested on:
✓ Firmware 1.0.2
✓ Katana-100 Combo
Attribution:
Used a lot of https://github.com/snhirsch/katana-midi-bridge's work to cross reference things.
The KATANAFxFloorBoard application by Colin Willcocks is very helpful.
GT-100 references from GT-100 / GT-001 MIDI spec.
Let me start with what you all want to know:
What can you do in your patches that isn't supposed to be possible with the Kantana?
The Sneaky Patch features!
The table is split in confirmed to work and unconfirmed. The confirmed part has less useful features at the bottom.
| Feature | Useful | Comment |
|---|---|---|
| Sneaky Effect types | Very | Several effects are not listed in Tone Studio while they do work. A full list is coming, but notable ones to check out are: - Booster effects: Lead Distortion & Custom. - Mod / FX effects: Tone Modify, Sub Distortion. - FX only effect: Tera Echo! Can be set using SysEx, .tsl edits and KATANAFxFloorBoard. |
| Simultaneous effects | Very | Effects that overlap on the knobs, Booster + Mod and Delay + FX, can be enabled at the same time. Toggle the effect so it is ON and change the Effect Level so this is not 0. Note: Don't move the knob after this, as it will disable one effect. Can be set using SysEx, .tsl edits and KATANAFxFloorBoard. |
Effect ordering.. .. 07 20.. .. 07 33 |
Very | The CHAIN 1-3 setting can be overruled. You can re-order any of the functional effects. Applies to: - Noise suppressor - Booster (OD/DS) - Mod (FX1) - Amp - Delay - FX (FX2) - Reverb - Foot volume - FX loop (Send/Return) Can be set using SysEx, .tsl edits and KATANAFxFloorBoard. |
Effect flipping.. .. 12 15.. .. 12 16 |
Maybe | In SysEx land, the listed addresses allow you to set for each knob which effect is currently active. 00 first effect (Boost/Delay).01 second effect (Mod/FX).By setting an Effect Level other than 0 in advance but not enabling the effect yet, you can flip effects with a single command. For example between Tape Delay <-> Phaser (FX). Or set Mod to Sub Distortion, then Booster <-> Sub Distortion to flick between different overdrive pedals. |
Patch level.. .. 07 10 |
No | In SysEx and .tsl you can set the Patch Level.It acts as a master volume after all effects. By default this is set to the maximum 200%. ANY change to the front panel will reset this value to 200%. I would not recommend using it in your patches. Use the front panel MASTER knob and POWER CONTROL instead. |
| Feature | Comment |
|---|---|
| Output select | This is not disabled, but I couldn't hear a difference in sound. It may be disabled due to a lack of cabinet simulation. 00 JC-12001 Small Amp02 Combo Amp03 Stack Amp04 JC-120 Return05 Combo Return06 Stack Return07 Line/Phones (default) |
| Divider LPF/HPF | In the divider block, the Low/High-pass filter is not force disabled. However it could be disabled indirectly because dual-amp mode is force disabled. |
| Accel FX | All parameters can be changed, but I haven't found a way to toggle it's effect yet. |
| EXP SW | The expression pedal switch. It's parameters can be changed, but I haven't found a way to trigger the switch yet. |
| Master BPM, Key and Beat |
These values can be set, but I've not confirmed if any effects are using it. |
| Manual Mode | On the GT-100, manual mode lets you assign effects to each of the stomp buttons. These assignments are not disabled. But where are the buttons? And how do we enter manual mode? Perhaps it has an effect on the GA-FC? |
| Patch Category | A category can be set for the patch (ex: Country, Rock, Metal, USER 1). I haven't found any place where this is displayed or used. The .tsl do store it. |
The Katana's SysEx specifications and capabilities are very similar to the GT-100/GT-001. To keep this document from taking up a lot of copy-pasting time it will meanly speak in terms of differences from the GT-100. With that in mind you probably want to keep the GT-100 spec handy when building implementations.
This table also only covers patches, not the system areas.
For your application the system area is potentially relevant, because aside from global system settings the front panel knobs are also made available in this range.
Particularly in the 0x00 0x00 0x04 0x20 to 0x00 0x00 0x04 0x29 range.
Refer to Steven Hirsch's documentation of this for more details.
There is more work left to be done to complete this table, odds are it will be updated a few times.
Gotcha As a general rule, the system area features can conflict with values in the patch areas, you should be aware of the order in which you write these values. For maximum control over all parameters I would recommend writing the system area first, then the patch area.
Following the same scheme as the GT-100. The following patch locations are active.
| Address (hex) | Patch name |
|---|---|
10 00 .. .. |
Currently unclear "0th patch" |
10 01 .. .. |
CH1 user patch |
10 02 .. .. |
CH2 user patch |
10 03 .. .. |
CH3 user patch |
10 04 .. .. |
CH4 user patch |
20 00 .. .. |
Panel factory reset patch |
20 01 .. .. |
CH1 factory reset patch |
20 02 .. .. |
CH2 factory reset patch |
20 03 .. .. |
CH3 factory reset patch |
20 04 .. .. |
CH4 factory reset patch |
60 00 .. .. |
Panel patch (temporary) |
Here are some of the blocks that differ from the GT-100. More differences may be found later.
Forced in this context means: sending SysEx commands to the value is ineffective and the value listed will be returned on queries.
| Range (hex) | Block name | Details |
|---|---|---|
.. .. 00 20.. .. 00 25 |
Compressor | Forced OFF. |
.. .. 00 50.. .. 00 6E |
Preamp A | Forced ON. T-COMP forced 0A (+0).Gain SW forced 01 (middle).Solo SW forced OFF. Speaker type forced OFF. |
.. .. 01 00.. .. 01 1F |
Preamp B | Forced OFF. |
.. .. 00 66.. .. 00 67and .. .. 01 16.. .. 01 17 |
Undocumented Preamp A an B |
2 read-write bytes, values 00 - 0A, default 05.Presumably custom amp/speaker related. I personally can't hear any difference. It's value is not mapped by Tone Studio in a .tsl file.But it does get saved/recalled on the Katana. |
.. .. 01 30.. .. 01 3B |
EQ | Forced OFF. |
.. .. 06 00.. .. 06 08 |
Chorus | Forced OFF. |
.. .. 06 20.. .. 06 2B |
Pedal FX | Forced OFF. Undocumented read-only address .. .. 06 21 value 18. |
.. .. 06 30.. .. 06 33 |
Foot Volume | Forced volume curve 02 (normal).Forced volume min 0%. Forced volume max 100%. |
.. .. 06 40.. .. 06 49 |
Divider | Forced mode 00 (single).Forced CH select 00 (channel A).Forced channel A dynamic 00 (off). |
.. .. 06 50.. .. 06 52 |
Mixer | Forced mode 00 (stereo).Forced channel balance 00 (100% Ch.A, 0% Ch.B).Forced spread 0%. |
.. .. 06 60 |
Amp Control | Forced OFF. |
.. .. 06 68.. .. 06 6B |
NS2 | Forced OFF. Forced PRM detect 00 (input). |
.. .. 07 11.. .. 07 15 |
Master EQ | Forced flat on all values (+0db). |
.. .. 08 30.. .. 0A 30 |
Assign | Forced assign 1-8 OFF. |
.. .. 12 00.. .. 12 16 |
Katana specific | This block holds patch data specific to the Katana. Which chain, color assignment for effects, etc. |