Symph EQ - Mixer Heritage Audio - Free user manual and instructions
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| Product Type | Stereo Passive Equalizer with Tube Makeup Gain |
| Brand | Heritage Audio |
| Model | Symph EQ |
| Form Factor | 19-inch rackmount, 2U |
| Dimensions | 483 x 88 x 195 mm (19 x 3.5 x 7.7 inches) |
| Weight | 5.5 kg (12.1 lbs) |
| Power Supply | Internal linear, 115/230 VAC selectable, 50/60 Hz, 30W |
| Frequency Response | 20 Hz - 20 kHz ±0.5 dB |
| EQ Bands | 5 bands: 40, 160, 650, 2500, 10000 Hz with variable Q |
| High-Pass Filter | Fixed 50 Hz, 12 dB/octave |
| Makeup Gain | Up to +15 dB via tube stage |
| Inputs | Balanced XLR and TRS, 10 kΩ impedance |
| Outputs | Balanced XLR and TRS, 10 kΩ impedance |
| Bypass | True hard relay bypass on each channel |
| Stereo Link | Link switch for ganged stereo operation |
| Tubes | 2x 12AX7 / ECC83 |
| Cleaning | Use a dry, soft cloth to clean the chassis; avoid solvents |
| Safety | Disconnect power before cleaning; ensure proper ventilation |
| Spare Parts | Contact Heritage Audio or authorized service centers for tube replacements and repairs |
| Warranty | 2 years limited warranty |
Frequently Asked Questions - Symph EQ Heritage Audio
What is the Heritage Audio Symph EQ?
The Symph EQ is a high-end stereo passive equalizer with a tube makeup gain stage, inspired by classic console equalizers.
How many EQ bands does the Symph EQ have?
It has 5 bands at 40, 160, 650, 2500, and 10000 Hz, each with variable Q.
Does the Symph EQ have a high-pass filter?
Yes, it features a fixed 50 Hz high-pass filter with 12 dB/octave slope.
How do I connect the Symph EQ?
Use balanced XLR or TRS cables for inputs and outputs. The impedance is 10 kΩ.
Can I use the Symph EQ in stereo mode?
Yes, flip the Link switch on the front panel to couple both channels for stereo operation.
How do I bypass the EQ?
Press the Bypass switch on each channel to engage a true hard relay bypass.
What tubes does the Symph EQ use?
It uses two 12AX7 / ECC83 tubes for the makeup gain stage.
How do I clean the Symph EQ?
Wipe the chassis with a dry, soft cloth. Avoid liquids and solvents.
What safety precautions should I take?
Always disconnect power before cleaning, and ensure adequate ventilation around the unit.
Where can I get spare parts or service?
Contact Heritage Audio or their authorized service centers for tube replacements and repairs.
User questions about Symph EQ Heritage Audio
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USER MANUAL Symph EQ Heritage Audio
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Product information
Brand : Heritage Audio
Model : Symph EQ
Category : Mixer