DPA 3511A Stereo Kit with Matched 4011A Cardioid Microphones
PRICE - Rs. 8,77,567
DPA 3511A stereo kit with two 4011A cardioids matched within ±1 dB: neutral, accurate, low distortion; with boom, holders, clips and more. Available in India from Shivansh Electronics, Kolkata, West Bengal, India.
VISUAL GUIDE — See Every Photo, Spec & Setup Step (PDF)
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Acoustics (4011A)
| Directional pattern | Cardioid |
| Principle of operation | Pressure gradient |
| Cartridge type | Pre-polarised condenser |
| Frequency response | 20 Hz - 20 kHz |
| Effective frequency range, ±2 dB, at 30 cm (11.8 in) | 40 Hz - 20 kHz |
| Sensitivity, nominal, ±2 dB at 1 kHz | 10 mV/Pa; -40 dB re. 1 V/Pa |
| Equivalent noise level, A-weighted | Typ. 18 dB(A) re. 20 µPa (max. 20 dB(A)) |
| Equivalent noise level, ITU-R BS.468-4 | Typ. 25 dB (correct with the attenuator in 0 dB or -20 dB setting) |
| Distortion, THD < 1% | 136 dB SPL RMS, 139 dB SPL peak |
| Dynamic range | Typ. 121 dB |
| Max. SPL, THD 10% | 159 dB SPL peak |
| Matching tolerance (frequency response and sensitivity) | ±1 dB |
| Phase deviation for kit | < 10° |
Electrical (4011A)
| Switchable attenuator, filters etc. | 0 dB / -20 dB |
| Rated output impedance | 200 Ω |
| Cable drive capability | 100 m (328 ft) |
| Output balance principle | Impedance balancing with Active Drive |
| Common mode rejection ratio (CMRR) | > 60 dB |
| Power supply (for full performance) | P48 (phantom power) |
| Current consumption | 2.8 mA |
| Connector | XLR-3M. Pin 1: shield, Pin 2: signal + phase, Pin 3: - phase |
| Maximum output voltage, RMS | > 5 V |
| Polarity | +V at pin 2 for positive sound pressure |
Physical (4011A)
| Weight | 158 g (5.6 oz) |
| Microphone diameter | 19 mm (0.75 in) |
| Capsule diameter | 19 mm (0.75 in) |
| Microphone length | 170 mm (6.7 in) |
| Temperature range | -40°C to 45°C (-40°F to 113°F) |
| Relative humidity (RH) | Up to 90% |
| Colour | Matte black |
Product overview
The DPA 3511A is a complete stereo kit with two 4011A cardioid microphones, carefully factory-matched within ±1 dB on frequency response and sensitivity across the microphone's entire frequency bandwidth.
DPA's wide and versatile pencil microphone series is legendary in high-end recording and film production, delivering clean, accurate sound. DPA has collected its award-winning recording microphones in specialised stereo kits that contain the microphones and accessories you need to capture fantastic sound. The kit includes the microphones, windscreens, boom, holders, clips and much more.
The 4011A cardioid microphone is renowned in recording studios and live applications around the world. State-of-the-art components have been carefully selected for optimal neutrality, accuracy and extremely low distortion.
Its principal appeal is its directional quality and attention to detail: it makes everything sound like the original. The first-order cardioid pattern gives superb separation between sound sources, a flat on-axis response and excellent phase response deliver a faithful reproduction, and the off-axis response is similarly smooth, so any leakage is an accurate reflection of the original. It handles incredibly high sound levels and has a 20 dB pad switch in the centre of the XLR connector.
| Matched response and sensitivity | ±1 dB |
| First order, pressure gradient | Cardioid |
| Max. SPL peak, THD 10% | 159 dB |
| Dynamic range, typ. | 121 dB |
Key features
- Two factory-matched 4011A cardioid microphones
- Matched within ±1 dB across the entire bandwidth, phase deviation < 10°
- First-order cardioid with superb separation
- Flat on-axis and smooth off-axis response
- Optimal neutrality, accuracy and extremely low distortion
- 20 dB pad switch in the centre of the XLR connector
Made for
- Stereo recording in studios and live
- Acoustic guitar and grand piano
- Overheads and percussion
- Wind instruments and vocals
- Spot-miking symphonies
In the box
- 2 x 4011A cardioid microphones, factory-matched
- Windscreens, boom, holders, clips and more accessories (official kit description)
DPA 3511A: frequently asked questions
How closely are the microphones matched?
Within ±1 dB on frequency response and sensitivity in the microphone's entire frequency bandwidth, with a phase deviation below 10° for the kit.
Which sources is the 4011A made for?
Close-up work on acoustic guitar, grand piano, overheads, percussion, wind instruments and vocals, as well as spot-miking symphonies.
Can it handle loud sources?
Yes. It handles incredibly high sound levels, up to 159 dB SPL peak (THD 10%), and has a 20 dB pad switch in the centre of the XLR connector.
How are the microphones powered?
Both run on P48 phantom power with 2.8 mA current consumption and drive cables up to 100 m (328 ft).
Why does leakage sound natural?
The off-axis response is as smooth as the on-axis response, so any leakage is an accurate reflection of the original, attenuated according to the true first-order cardioid pattern.
Where can I buy the DPA 3511A in India?
The DPA 3511A is available from Shivansh Electronics, Kolkata, West Bengal, India, with delivery across India.
Workflow 1: Stereo pair recording
Recording engineers.
Connections
| Connect | To |
|---|---|
| 2 x 4011A | Stereo boom |
| XLR x 2 | Recorder with P48 |
Setup
- Mount the matched pair on the boom.
- Connect both channels and switch on P48.
- Match the gains and record.
Tip: The pair is matched within ±1 dB.
Workflow 2: Grand piano
Pianists and engineers.
Connections
| Connect | To |
|---|---|
| 2 x 4011A | Stands with holders |
| XLR x 2 | Console with P48 |
Setup
- Place the pair over the strings.
- Set the gains.
Tip: The first-order cardioid gives superb separation between sound sources.
Workflow 3: Drum overheads and percussion
Drummers and engineers.
Connections
| Connect | To |
|---|---|
| 2 x 4011A | Overhead stands |
| XLR x 2 | Console with P48 |
Setup
- Position the pair above the kit.
- Engage the 20 dB pad if needed.
- Set the gains.
Tip: Handles up to 159 dB SPL peak.
Workflow 4: Acoustic guitar
Guitarists and engineers.
Connections
| Connect | To |
|---|---|
| 4011A | Stand with clip |
| XLR | Preamp with P48 |
Setup
- Aim the microphone at the guitar.
- Set the gain.
Tip: Makes everything sound like the original.
Workflow 5: Vocals and wind instruments
Studio and live engineers.
Connections
| Connect | To |
|---|---|
| 4011A with windscreen | Stand |
| XLR | Console with P48 |
Setup
- Fit the windscreen and position the microphone.
- Set the gain.
Tip: Flat on-axis response and excellent phase response.
Workflow 6: Spot-miking a symphony
Classical recording engineers.
Connections
| Connect | To |
|---|---|
| 4011A | Stand at the section |
| XLR | Recorder with P48 |
Setup
- Place a 4011A at each section to be spotted.
- Blend with the main pair.
Tip: Smooth off-axis response keeps leakage natural.
