GENELEC 8040B
MRP - Rs. 2,06,000
GENELEC 8040B active studio monitor: 6.5-inch woofer, DCW tweeter, 2 x 90 W, 105 dB SPL, 41 Hz - 25 kHz, room controls. Available in India from Shivansh Electronics, Kolkata, West Bengal, India.
VISUAL GUIDE — See Every Photo, Spec & Setup Step (PDF)
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General
| Type | Two‑way active (bi‑amplified) monitor |
| Enclosure | Die‑cast aluminium MDE, rear reflex tube |
| Waveguide | Directivity Control Waveguide (DCW) |
| Finishes | Dark Grey, Black, White, RAW |
Acoustic performance
| Lower cut‑off, -3 / -6 dB | ≤ 45 Hz / ≤ 41 Hz |
| Upper cut‑off, -3 / -6 dB | ≥ 20 kHz / ≥ 25 kHz |
| Free field response | 48 Hz - 20 kHz (±2.0 dB) |
| Max short‑term SPL | ≥ 105 dB at 1 m, ≥ 111 dB at 0.5 m (sine, half space, averaged 100 Hz - 3 kHz) |
| Max long‑term SPL | ≥ 99 dB at 1 m (IEC weighted noise, limited by driver protection) |
| Max peak SPL | ≥ 115 dB per pair above console top at 1 m, music material |
| Self‑generated noise | ≤ 10 dB SPL at 1 m on axis (A‑weighted) |
| Harmonic distortion | At 90 dB SPL, 1 m: 50‑100 Hz < 2 %, above 100 Hz < 0.5 % |
Drivers
| Bass | 165 mm (6 1/2 in) cone, magnetically shielded |
| Treble | 19 mm (3/4 in) metal dome, magnetically shielded |
Crossover and controls
| Crossover frequency | 3.0 kHz |
| Input level for 100 dB SPL at 1 m | Variable from +6 to -6 dBu |
| Treble Tilt | +2 to -4 dB and MUTE at 15 kHz, 2 dB steps |
| Desktop LF | -4 dB at 160 Hz |
| Bass Roll‑Off | 0 to -6 dB at 45 Hz, 2 dB steps |
| Bass Tilt | 0 to -6 dB and MUTE at 100 Hz, 2 dB steps |
| ISS | ISS DISABLE switch |
Amplifiers
| Bass amplifier | 90 W short term (8 Ohm), Class AB |
| Treble amplifier | 90 W short term (8 Ohm), Class AB |
| Distortion at nominal output | THD, SMPTE‑IM, CCIF‑IM, DIM 100: ≤ 0.05 % |
| Signal to noise | ≥ 100 dB, bass and treble |
Connections and power
| Input | XLR female, 10 kOhm balanced; pin 1 ground, pin 2 +, pin 3 - |
| Mains voltage | 100, 120, 220 or 230 V according to region, 50/60 Hz (±10 %) |
| Power consumption | Standby < 0.5 W, idle 10 W, full output 110 W |
Physical
| Height | 365 mm with Iso‑Pod, 350 mm without |
| Width | 237 mm |
| Depth | 223 mm |
| Weight | 9.4 kg (20.7 lb) |
| Mounting | Iso‑Pod at three points; two sets of M6x10 mm rear threads; M10x10 mm base thread |
| Warranty | 2 years (data sheet) |
Product overview
The GENELEC 8040B is a compact bi-amplified active monitor with performance comparable to much larger systems: 105 dB of SPL and bass that reaches right down to 41 Hz.
The choice of recording professionals around the world, the 8040B provides truthfulness and energy in equal measure. It takes full advantage of the GENELEC 8000 series: the all-aluminium Minimum Diffraction Enclosure and the Directivity Control Waveguide are matched with advanced amplifiers and drivers, and a new rear reflex port design widens the bass response to 45 Hz (-3 dB) with substantially lower distortion. Its recycled aluminium enclosure combines transparent, uncoloured sound with a distinctive look, and Intelligent Signal Sensing switches it into a power-saving standby when you have finished.
| Max short‑term SPL at 1 m | 105 dB |
| Frequency response (-6 dB) | 41 Hz - 25 kHz |
| Bass and treble amplifiers | 90 W + 90 W |
| Weight | 9.4 kg |
Key features
- Two-way active design with a 165 mm (6 1/2 in) bass cone and a 19 mm (3/4 in) metal dome tweeter, both magnetically shielded
- 90 W + 90 W amplifiers with active crossover at 3.0 kHz and driver protection
- 105 dB maximum short-term SPL at 1 m and 115 dB peak per pair
- 48 Hz - 20 kHz (±2 dB), -3 dB at 45 Hz, -6 dB at 41 Hz and 25 kHz
- MDE aluminium enclosure, enlarged DCW waveguide and long flared rear reflex tube
- Room response controls: Bass Roll-Off, Desktop LF, Bass Tilt and Treble Tilt (+2 to -4 dB)
- Input sensitivity adjustable from +6 to -6 dBu for 100 dB SPL at 1 m
- Intelligent Signal Sensing (ISS) with ISS DISABLE switch
- Iso-Pod stand at three mounting points; two sets of M6 threads on the rear
- Balanced 10 kOhm XLR input
- Made in Finland; offered in dark grey, white, black and RAW finishes
Integrated construction
Only the mains supply and the line-level input need to be connected. The integrated design lets GENELEC calibrate the amplifiers and drivers as one unit, eliminating component tolerances and ensuring consistent production quality. Protective grilles cover both drivers, and magnetic shielding is standard: vital for applications such as video post production.
Minimum Diffraction Enclosure and DCW waveguide
The 8040B is built around GENELEC's die-cast aluminium Minimum Diffraction Enclosure (MDE): curved walls and rounded edges reduce the edge diffraction that colours ordinary box loudspeakers, while the Directivity Control Waveguide (DCW) shapes the tweeter's wavefront for a flat response on and off axis. The result is a wide, consistent listening window, fewer early reflections from desks and walls, accurate stereo imaging and a monitoring system that depends less on the room.
Room response controls
Calibrated controls in the active crossover keep the frequency balance right in different rooms: Bass Roll-Off (0 to -6 dB at 45 Hz), the Desktop low frequency control (-4 dB at 160 Hz) for a console or desk between listener and monitor, Bass Tilt (0 to -6 dB below 800 Hz) near room boundaries and Treble Tilt (+2, -2 or -4 dB above 5 kHz). Set only one switch per group.
Intelligent Signal Sensing and the Iso-Pod stand
Intelligent Signal Sensing (ISS) puts the 8040B into standby below 0.5 W when no audio has been present for a while and wakes it automatically when a signal returns; it can be disabled on the rear panel. The supplied Iso-Pod (Isolation Positioner/Decoupler) stand isolates the monitor from the desk or console and tilts it so that the acoustic axis points at the listener, reducing colouration from vibration and surface reflections.
Mounting and accessories
The Iso-Pod attaches at three mounting points for vertical or symmetrical horizontal positioning. Two sets of M6x10 mm threads on the rear take wall and ceiling brackets, and an M10x10 mm thread in the base secures the monitor to its base (it is not for a microphone stand). GENELEC accessories include stands, wall, ceiling and truss mounts, a VESA adapter, a flush mount kit, a hard case and a soft carrying case.
In the box
- 1 x GENELEC 8040B studio monitor
- 1 x mains cable (1.8 m)
- 1 x operating manual
- 1 x Iso-Pod kit
GENELEC 8040B: frequently asked questions
Does the 8040B need a separate amplifier?
No. 90 W bass and 90 W treble amplifiers are built in; the only connections needed are the mains supply and a balanced line-level input.
Can I mount the 8040B on a microphone stand?
No. The thread in the base is M10, not the 3/8 in microphone stand thread. Use the Iso-Pod, a GENELEC stand or a bracket on the rear M6 threads.
How do I set the input sensitivity?
With a screwdriver on the rear panel: the input level for 100 dB SPL at 1 m is adjustable from +6 to -6 dBu; the factory setting is -6 dBu (fully clockwise).
Are the drivers magnetically shielded?
Yes. Both drivers are magnetically shielded as standard.
Where can I buy the GENELEC 8040B in India?
The GENELEC 8040B is available from Shivansh Electronics, Kolkata, West Bengal, India, with delivery across India.
Workflow 1: Stereo nearfield pair on a desk
Set up a stereo pair for mixing and editing at a desk or workstation.
Connections
| Connect | To |
|---|---|
| Audio interface or monitor controller (left / right outputs) | XLR input of each monitor (balanced cables) |
| Iso‑Pod stands | Under each monitor, tilted towards the listener |
| Mains | Supplied mains cables |
Setup
- Place the monitors symmetrically, at equal distance from the listening position, with the acoustic axes aimed at ear height.
- Connect the balanced XLR cables first and the mains cables last.
- Set the room response switches for desk placement: Bass Tilt -2 dB and Desktop LF -4 dB (near field on a reflective surface).
- Set the input sensitivity with a screwdriver: +6 to -6 dBu for 100 dB SPL at 1 m (factory setting -6 dBu).
Tip: Keep the monitors clear of the screen and other reflecting objects; tilt them with the Iso-Pod rather than raising the desk level.
Workflow 2: Monitors near a wall or in a small room
Correct the bass build-up that walls and corners cause in compact rooms.
Connections
| Connect | To |
|---|---|
| Line‑level source | XLR input |
| Room response switches | Rear panel |
Setup
- Start with all switches OFF (flat anechoic response).
- For placement near a wall: Bass Tilt -4 dB; in a corner also Bass Roll-Off -4 dB.
- Listen to well-known reference recordings or measure at the listening position.
- Change one setting at a time until the bass sounds even and natural.
Tip: Respect the minimum clearances behind, above and beside the monitor so the reflex port and cooling work properly.
Workflow 3: Surround and immersive monitoring
Build a 5-channel or larger system from identical monitors.
Connections
| Connect | To |
|---|---|
| Multichannel interface or controller outputs | XLR input of each monitor |
| Wall, ceiling or stand mounts | GENELEC mounting accessories on the rear threads |
Setup
- Place the monitors at equal distance from the listening position, following the angles in the Quick Setup Guide.
- Aim every acoustic axis at the listening position.
- Set the room response switches for each monitor according to its own placement.
- Match the levels with the sensitivity control and an SPL meter.
Tip: Where greater SPL and a lower cut-off are needed, GENELEC recommends complementing the 8040B with a GENELEC subwoofer.
Workflow 4: Broadcast, OB van and post production
Neutral monitoring in control rooms, outside broadcast vans and editing suites.
Connections
| Connect | To |
|---|---|
| Console or monitor controller output | XLR input (balanced) |
| Mounting | Bracket on the rear threads or Iso‑Pod on a shelf |
Setup
- Mount the monitors so that the acoustic axes point at the operator.
- Choose the switch settings for the mounting position from the operating manual's table.
- Use the sensitivity setting to match the console's output level.
- Use ISS so the monitors go to standby when the room is not in use.
Tip: Magnetic shielding makes the 8040B suitable for audio and video post production.
Workflow 5: Adding a GENELEC subwoofer
Extend the bass response or raise the SPL of the system.
Connections
| Connect | To |
|---|---|
| Source outputs | Subwoofer inputs |
| Subwoofer outputs | XLR inputs of the 8040B pair |
Setup
- Connect the source to the GENELEC subwoofer and its outputs to the monitors.
- Place the subwoofer as described in its own manual.
- Set the monitors' room response switches for their placement.
- Balance the subwoofer level against the monitors at the listening position.
Tip: The 8040B operating manual states that its bass response can be extended with a GENELEC subwoofer.
Workflow 6: Energy-saving everyday use
Leave the system ready all day without wasting power.
Connections
| Connect | To |
|---|---|
| ISS switch | Rear panel |
| Power switch | Rear panel |
Setup
- Leave the power switch ON with ISS active.
- The monitor drops to standby (below 0.5 W) after the signal has been absent for a while.
- It wakes automatically when audio arrives; there is a slight delay.
- If the delay is a problem, disable ISS and switch the monitor with the power switch.
Tip: Removing the mains cable is the only way to disconnect the amplifier completely from the mains.
