H910 - Audio processor EVENTIDE - Free user manual and instructions
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| Product Type | Audio Processor (Harmonizer/Pitch Shifter) |
| Brand | Eventide |
| Model | H910 |
| Manufactured | Mid-1970s |
| Form Factor | 19" rackmount, 1U height |
| Dimensions (HxWxD) | 1.75" x 19" x 8" (44.5 mm x 483 mm x 203 mm) |
| Weight | Approx. 10 lbs (4.5 kg) |
| Power Requirements | 120V AC, 50/60 Hz, 30W |
| Primary Function | Pitch shifting and harmonization |
| Additional Features | Delay, feedback, program selection, mix control |
| Input/Output | 1/4" unbalanced input and output |
| Controls | Knobs for pitch, delay, feedback, mix; push buttons for program |
| Indicators | LED power indicator, program LEDs |
| Construction | Metal chassis with anodized aluminum front panel |
| Cooling | Passive (no fan) |
| Operating Temperature | 10°C to 40°C (50°F to 104°F) |
| Cleaning Instructions | Wipe with a soft, dry cloth. Do not use liquids or solvents. |
| Safety Precautions | Use only with proper grounded AC outlet. Avoid moisture. Do not open chassis. |
| Spare Parts & Repairability | Contact Eventide or authorized service centers. Some parts may be obsolete. |
| General Information | Vintage rack effect processor. Known for its distinctive sound. Manual available online. |
Frequently Asked Questions - H910 EVENTIDE
How do I connect the H910 to my mixer?
Use standard 1/4" TS cables. Connect the output from your mixer to the H910 input, then from the H910 output to a mixer channel return or auxiliary return.
What does the 'Program' knob do?
The Program knob selects preset pitch shift intervals (e.g., unison, fifth, octave) and effect configurations. Turn to choose a program.
How do I achieve a perfect octave up?
Set the Program knob to 'OCTAVE' (usually program 9 or 10) and adjust the Mix knob to blend the shifted signal with the dry signal.
Why is the output level low?
Check the Mix control: if it's at 100% wet, you'll only hear the shifted signal. Turn the Mix knob to include dry signal. Also ensure input level is sufficient.
Can I use the H910 in stereo?
The H910 is mono in/out. For stereo effects, use two units or a stereo reverb after the H910.
How do I create a slapback echo?
Set the delay knob to a moderate setting (e.g., 100-200 ms) and lower the pitch shift to zero. Increase feedback for multiple repeats.
What is the maximum delay time?
The H910 offers up to 1 second of delay when pitch shift is set to zero. With pitch shifting, delay time varies inversely.
Does the H910 require any special power cord?
It uses a standard grounded IEC power cord. Ensure the voltage matches your region (120V AC for US models).
How do I maintain the H910?
Keep it dry and dust-free. Clean the front panel with a soft cloth. Do not use any cleaning agents. Periodically check cables and connectors.
Where can I find replacement knobs or switches?
Contact Eventide support or search for vintage parts suppliers. Some knobs are standard 1/4" knurled shaft types.
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