1961 Vacuum Tube Equalizer - Equalizer DRAWMER - Free user manual and instructions
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| Product Type | Vacuum Tube Equalizer |
| Brand | Drawmer |
| Model | 1961 |
| Configuration | Stereo 2-channel |
| Frequency Response | 20 Hz – 20 kHz (±0.5 dB) |
| Input Impedance | 10 kΩ balanced |
| Output Impedance | 100 Ω balanced |
| Maximum Input Level | +21 dBu |
| Maximum Output Level | +21 dBu |
| Power Supply | Internal, 115/230 V AC, 50/60 Hz |
| Power Consumption | 30 W |
| Dimensions (W x H x D) | 483 mm x 44 mm (1U) x 200 mm |
| Weight | 5.0 kg |
| Tubes | 2 × 12AX7 |
| EQ Type | Passive tone control with active make-up gain |
| Protection | Power-on muting |
| Connectors | Balanced XLR inputs and outputs |
| Cooling | Passive convection |
| Operating Temperature | 0°C to 40°C |
| Certifications | CE |
Frequently Asked Questions - 1961 Vacuum Tube Equalizer DRAWMER
What tubes does the Drawmer 1961 use?
The Drawmer 1961 uses two 12AX7 tubes, one per channel.
How do I replace the tubes?
Disconnect power, remove the top cover, gently pull out the old tube and insert the new one, aligning the pins carefully. Always use matched tubes for stereo matching.
Why is my 1961 producing noise?
Noise can be due to microphonic tubes, poor grounding, or interference. Try tapping tubes to identify which one is faulty, and ensure proper shielding around audio cables.
Can the 1961 be used on a mix bus?
Yes, the 1961 is ideal for mix bus processing thanks to its smooth tube saturation and gentle EQ curves, adding warmth and cohesion.
What is the EQ curve of the 1961?
The 1961 offers a shelving high and low EQ with gentle slopes, plus a peaking mid band. The exact frequencies are fixed but musical.
How should I clean the 1961?
Use a soft, dry cloth to wipe the exterior. For the connectors, use contact cleaner sparingly. Avoid liquids entering the chassis, and keep tubes dust-free.
What are the power requirements?
The 1961 accepts 115/230 V AC at 50/60 Hz via a standard IEC power inlet. Check the voltage selector before connecting to mains.
Is the 1961 stereo or dual mono?
It is stereo with linked controls for both channels, but it can be used in dual mono mode by modifying internal jumpers (consult the manual).
What is the warranty period?
Drawmer offers a limited lifetime warranty for the original buyer, covering defects in materials and workmanship. Tubes are covered for 90 days.
How do I connect the 1961 to my setup?
Use balanced XLR cables from your audio interface or mixer outputs to the 1961 inputs, then from outputs to your next device. Ensure proper gain staging to avoid clipping.
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USER MANUAL 1961 Vacuum Tube Equalizer DRAWMER
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Product information
Brand : DRAWMER
Model : 1961 Vacuum Tube Equalizer
Category : Equalizer