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Two Continuously Variable Filter Presets |
| The first foot switch on the RC-1324-PDL-V2 selects between two filter presets, F1 and F2, with associated LEDs to show which preset is active. This is a popular feature I adapted from my GR-300 Remote Control Pedal. Since modern 13-pin guitars do not have on-board controls for filter, the two filter presets enable the player to create two distinct preset tones. On the GR-700, the filter knobs act as a master edit control for the filter cutoff, and on the GM-70 their function is programmable. Since these filter presets are integrated into the control circuitry, they do not use the filter pedal inputs on the synthesizers, and so the filter pedal input on the GR-100, GR-300 and GR-700 can be mixed with the presets. | |
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Resonance, Mode and LFO Controls |
| The Resonance control on the RC-1324-PDL-V2 works just like the resonance control on a vintage Roland guitar, controlling resonance on the GR-100/300 and selecting edit parameters on the GR-700. The Mode switch works just like the guitar mode switch. The LFO knob controls the vibrato or LFO depth. The middle foot switch turns the LFO on and off, much like the touch pads on the original vintage Roland guitars. And the middle LED (yellow) lights when the LFO is on. The RC-1324-PDL-V2 has a rear panel pedal input for a Korg/Yamaha type control voltage pedal. This allows the player to fade the LFO effect. When a pedal is plugged in, the LFO knob sets the maximum LFO depth. | |
![]() Hex Fuzz and Output Mixer |
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| Unique to the RC-1324-PDL-V2 is the addition of hex fuzz. Previously, I only included hex fuzz on the original RC-1324. Since I am using my very last, 24-pin output connector to build this unit, so I decided to add the hex fuzz circuit board, to recreate to original G-303/G-808 feature set with this RC-1324-PDL-V2. Like the last version of the RC-1324, this unit includes a hex fuzz level control. The hex fuzz sound in the G-303/G-808 tended to dominate the synth sound of the GR-300, so I wanted to give the player a way to customize the sound of the GR-300 and hex fuzz. In addition, this unit has a steep, low-pass filter to make the direct hex fuzz output more musical. This feature is unique to this unit. |
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"I've been a Roland guitar synth user for a little over 20 years, and I've owned almost all of the units from the GR-300 to the virtual guitar units VG8 and 88. The RC-1324 is the unit I've wanted for years! It bridges the gap between 13 and 24 pin devices flawlessly. The build quality is first rate and I swear my GR-700 tracks better with my 13 pin guitar than the 24 pin original. Outstanding; Fripp is gonna flip when he gets this!"
"Keep those Inventions coming...!" Vernon Reid |
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"Well, I'm really, really happy! The response from the GR-300 is just as I'd imagined. The surprise for me was just how more responsive my old GR-700 has become. I feel inspired, I'll be doing some recording tonight!"
"I'm using an Ibanez Artist fitted with RMC's (functionally similar to your Brian Moore), and a Yamaha SG fitted with a GK2, No problems with either guitar. I'm really looking forward to now integrating my 24-pin synths along with my current 13-pin rig, without the hassle of changing guitars." "Many thanks Wayne, You will be highly recommend to all my friends and associates." Jim Bradford |
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I'm having a blast! Today I played the RC-1324 and to say it's great is
the biggest understatement I've ever made!"
"My Frameworks nylon fretless (!) works just great with it. And I think it even tracks better than before." " I'm totally satisfied with this thing, so thanks again Wayne - you did a wonderful job. Keep those inventions coming!!!!" Ulrich Muller |
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| Craig’s first modification involved cutting a capacitor to add high-frequency response to the hex fuzz circuit. The RC-1324-PDL-V2 has a switch to select from the original hex fuzz sound, or LO setting, and the "no capacitor" brighter HI setting. Check out the samples to hear the difference! | |
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| Next Craig designed a separate hex fuzz output. However, this modification also involved working inside the GR-300, and disabling either an existing jack, or drilling holes for additional output jacks. The RC-1324-PDL-V2 has the hex fuzz output built-in, so no drilling or modification is necessary. | |
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| The final Anderton modification is the addition of a vibrato, or LFO pedal. Craig disliked using the touch plates on the GR guitars, and felt a pedal worked better. Now you can have foot pedal control over vibrato. And again, this requires no drilling or modifications in any way to your vintage Roland synth. | |
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| This demo shows a little bit of everything on the GR-300 and RC1324-PDL-V2. First you hear the internal RC-1324-PDL-V2 hex fuzz, and I adjust the hex fuzz level. I switch from the standard hex fuzz tone, to the bright hex fuzz tone. Next I adjust filter Preset F2 control, then switch to Preset F1, and I add resonance and filter modulation. | |
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| Hex fuzz direct output: from the back of the RC-1324-PDL-V2 to the mixer, bypassing the GR-300 VCF and VCA. You can hear the two filter settings, LO (standard) and HI (bright). Notice the direct sound has more high frequencies, in both the LO and HI settings. This is a feature of the original "Craig Anderton" modifications. | |
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| This demo shows the hex fuzz sound blended with the GR-300 synth sound (mode 2). The demo starts with Pitch B on (set to 1 octave down), and includes Pitch A (perfect fifth) plus some filter modulation as well. | |
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| This short demo features the LFO pitch modulation on the GR-300. The RC-1324-PDL-V2 center switch turns the LFO on and off, and the front panel knob controls LFO depth. An optional Korg/Yamaha pedal can also be used to control LFO depth, as outlined in the "Craig Anderton" modifications. | |
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| GR-300 Mode 3 is synthesizer only (no hex fuzz). This is the mode Pat Metheny uses. Mode 3 also enables string select. Using string select, I start with the synth sound only on strings E, A and D for bass voicing. The top three strings are clean. I am also using the mix control to blend direct guitar with synth guitar. | |
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| RC-1324-PDL switches filter presets, and various kinds of modulation are used on the GR-300. | |
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| This demo shows a little bit of everything on the GR-300. You can see the super-fast response time of the Godin ACS SA/GR-300 combination. | |
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| The RC-1324-PDL switches filter presets, and various kinds of modulation are used on the GR-100. | |
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| The RC-1324-PDL switches filter presets, and various kinds of modulation are used on the GR-700. | |
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| The 13-pin output from a Parker NiteFly goes to a US-20 splitter. One output drives the RC-1324-PDL to a GR-300, the other output drives a GI-10 to a XV-5080. |
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