Slammi Plus - Guitar Electro Harmonix - Free user manual and instructions
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| Product Type | Pitch Shifter & Harmony Pedal |
| Brand | Electro-Harmonix |
| Model | Slammi Plus |
| Dimensions | 5.75 x 4.5 x 2.5 inches (146 x 114 x 64 mm) |
| Weight | 1.2 lbs (544 g) |
| Power Supply | 9V DC center-negative (200 mA minimum) |
| Battery | 9V alkaline (not included) |
| Current Draw | 150 mA |
| Input Impedance | 1 MΩ |
| Output Impedance | 100 Ω |
| Functions | Pitch shifting, harmony generation (2 voices), expression pedal control, true bypass |
| Controls | Blend, Pitch, Harmony, Voice, Expression pedal input (TRS) |
| Inputs | 1/4" instrument input, 1/4" expression pedal input |
| Outputs | 1/4" mono output, 1/4" harmony output (separate) |
| Construction | Die-cast metal chassis |
| Warranty | 1 year limited (varies by region) |
| Cleaning | Wipe with dry cloth; avoid solvents |
| Safety | Use only recommended power supply; do not expose to moisture |
Frequently Asked Questions - Slammi Plus Electro Harmonix
How do I power the Slammi Plus?
Use a standard 9V DC center-negative power supply with at least 200mA current. A 9V battery can also be used, but for best performance, use the adapter.
Can I use an expression pedal with the Slammi Plus?
Yes, connect a TRS expression pedal to the EXP jack. The pedal controls the Pitch or Blend parameter depending on the mode.
What is the difference between the Slammi and Slammi Plus?
The Slammi Plus adds a second harmony voice and separate harmony output, plus extended pitch range and improved tracking.
How do I set the harmony interval?
Use the Harmony knob to select the interval (e.g., 3rd, 5th, octave). The Voice knob adjusts the blend of the two harmony voices.
Can I use the Slammi Plus with bass?
Yes, it works with bass guitar. The pitch tracking handles low frequencies well, but you may need to adjust the Blend knob for best results.
How do I achieve a detune effect?
Set the Pitch knob to a very small interval (e.g., +0.1 semitone) and blend it with the dry signal using the Blend knob. This creates a chorus-like detune effect.
What does the 'True Bypass' feature mean?
When the pedal is off, your signal passes through without any alteration or loading, preserving your guitar's tone. This is achieved via a mechanical relay.
Why is my harmony output not working?
Ensure the Harmony knob is set to something other than 'Off'. Also check that a cable is connected to the Harmony Out jack. If separate output is not needed, you can just use the main output for mixed signal.
What is the latency of the Slammi Plus?
Latency is extremely low (less than 3 ms) due to advanced DSP. It is suitable for live performance without noticeable delay.
How do I reset the pedal to factory settings?
There is no factory reset function. However, you can restore default parameters by power cycling and setting all knobs to 12 o'clock (noon position).
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