GENELEC 8340A
MRP - Rs. 2,71,000
GENELEC 8340A two-way Smart Active Monitor, 110 dB SPL, 38 Hz - 22 kHz, GLM room calibration. Available in India from Shivansh Electronics, Kolkata, West Bengal, India.
VISUAL GUIDE — See Every Photo, Spec & Setup Step (PDF)
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Acoustic performance
| Frequency range, -6 dB | 38 Hz - 22 kHz |
| Accuracy of frequency response | ±1.5 dB (45 Hz - 20 kHz) |
| Max short‑term sine wave SPL | ≥ 110 dB SPL (on axis in half space, averaged 100 Hz to 3 kHz) |
| Max long‑term RMS SPL | 100 dB SPL (IEC weighted noise, limited by driver protection) |
| Max peak SPL per pair | ≥ 118 dB at 1 m with music material |
| Self‑generated noise | ≤ 5 dB SPL on axis (A‑weighted) |
| Harmonic distortion | At 90 dB SPL at 1 m on axis: 50‑100 Hz < 2 %, above 100 Hz < 0.5 % |
| Latency (GLM Extended Phase Linearity off) | 3.0 ms |
Drivers and enclosure
| Bass driver | 165 mm (6 1/2 in) cone |
| Treble driver | 19 mm (3/4 in) metal dome |
| Crossover frequency | 2.6 kHz |
| Enclosure | Die‑cast aluminium Minimum Diffraction Enclosure (MDE), reflex port |
| Directivity | Directivity Control Waveguide (DCW) |
Amplifier section
| Bass amplifier | 150 W Class D |
| Treble amplifier | 150 W Class D |
| Amplifier THD at nominal output | < 0.01 % |
| System S/N ratio (A‑weighted) | Bass > 109 dB, treble > 110 dB |
| Mains voltage | 100‑240 VAC, 50/60 Hz |
| Power consumption | ISS active < 1 W; idle 12 W; full output (short term) 180 W |
Inputs and control
| Analogue input | XLR female, balanced 10 kΩ |
| Analogue level for 100 dB SPL at 1 m | -6 dBu; rotary control +6 to -6 dBu |
| Maximum analogue input | +25 dBu |
| Digital audio | AES/EBU single wire: XLR female 110 Ω IN, XLR male 110 Ω THRU; 16‑24 bit, 32‑192 kHz; -30 dBFS for 100 dB SPL at 1 m |
| Control network | 2 x RJ45 (CAT5), proprietary GLM network |
| Room calibration | GLM AutoCal, GLM manual, stand‑alone DIP switches and rotary level control |
| GLM filters | 16 parametric notch filters, 2 LF and 2 HF shelving filters |
Physical
| Height | 350 mm (365 mm with Iso‑Pod) |
| Width | 237 mm |
| Depth | 223 mm |
| Weight | 8.4 kg |
| Acoustic axis height | 240 mm from the base |
| Finish | Dark Grey, Black, White, RAW |
Product overview
The GENELEC 8340A is a two-way Smart Active Monitor (SAM) with built-in DSP that GENELEC Loudspeaker Manager (GLM) software configures and calibrates for your listening room.
Top professionals in recording studios, post-production houses, digital edit suites, radio, TV and outside broadcasting rely on the 8340A. Its wide and stable sweet spot promotes accurate, reliable mix decisions, and it can be set up with GLM or with its own back-panel switches.
| Short‑term max SPL | 110 dB |
| Frequency range (-6 dB) | 38 Hz - 22 kHz |
| Class D amplification | 150 W + 150 W |
| AutoCal room calibration | GLM |
Key features
- Smart Active Monitoring: SAM DSP inside the monitor, managed by GLM software
- GLM AutoCal automatic room calibration of level, distance delay and room response
- 165 mm bass driver and 19 mm metal dome tweeter, each with its own Class D amplifier (150 W + 150 W)
- Directivity Control Waveguide (DCW) for flat on and off-axis response
- Minimum Diffraction Enclosure (MDE) in die-cast aluminium with a rear reflex port
- Stand-alone controls: bass roll-off, desktop, bass tilt, treble tilt and level for use without GLM
- Balanced XLR analogue input and AES/EBU digital input with thru
- Intelligent Signal Sensing (ISS) automatic power saving
- Iso-Pod vibration-decoupling, tilting table stand
Smart Active Monitoring and GLM
GLM manages every SAM monitor and subwoofer on its proprietary network: up to 30 devices on one computer. AutoCal measures the room from the listening position and sets level, distance delay and room response compensation, from stereo to immersive layouts. Settings can be kept in set-up files or stored in each monitor, so the calibration stays in place without a computer.
Directivity Control Waveguide and MDE enclosure
The DCW waveguide shapes the wavefront for flat on and off-axis response, fewer early reflections and better imaging. The die-cast aluminium Minimum Diffraction Enclosure, with rounded edges and gently curved surfaces, is stiff and well damped, shields the electronics and acts as a heat sink for the amplifiers.
Connections
A balanced XLR analogue input, an AES/EBU digital input with thru for daisy-chaining, two RJ45 GLM network connectors and a universal 100-240 VAC mains inlet. Back-panel DIP switches and a rotary level control allow set-up without GLM.
In the box
- GENELEC 8340A monitor
- Mains cable (1.8 m)
- RJ45 cable (5 m)
- Operating manual
GLM software is a free download from genelec.com. Calibration needs the GLM Calibration Kit or the 9320A SAM Reference Controller (sold separately).
GENELEC 8340A: frequently asked questions
Does the 8340A need a computer?
No. After calibration with GLM the settings are stored in the monitors, which then work without a computer.
What inputs does the 8340A have?
A balanced XLR analogue input and an AES/EBU digital input (16-24 bit, 32-192 kHz) with thru.
What is GLM AutoCal?
GENELEC's automatic calibration in GLM software: it measures each monitor at the listening position and sets level, distance delay and room response compensation.
Where can I buy the GENELEC 8340A in India?
The GENELEC 8340A is available from Shivansh Electronics, Kolkata, West Bengal, India, with delivery across India.
Workflow 1: Stereo near-field mixing
Set up a calibrated stereo pair for music production and mixing.
Connections
| Connect | To |
|---|---|
| Audio interface outputs | ANALOG IN (balanced XLR) on each monitor |
| GLM adapter | GLM NETWORK, daisy‑chained with the 5 m RJ45 cables |
| Measurement microphone | Listening position, at ear height |
| Level control | Volume from the interface or monitor controller |
Setup
- Place the two monitors in an equilateral triangle with the listening position, acoustic axes aimed at the listener.
- Connect the audio outputs and the GLM network, then switch the monitors on.
- Run GLM set-up and AutoCal with the microphone at the listening position.
- Store the settings in the monitors and set a comfortable listening level.
Tip: Use the Iso-Pod to tilt the monitors so the acoustic axis points at your ears.
Workflow 2: Room calibration with GLM AutoCal
Correct the influence of a small or untreated room on the monitoring.
Connections
| Connect | To |
|---|---|
| GLM adapter | Computer USB port |
| Monitors | GLM NETWORK chain from the adapter |
| Microphone | Adapter microphone input, at the listening position |
Setup
- Install GLM from genelec.com and connect the adapter to the computer.
- Point the microphone upwards with its top at ear height.
- Let AutoCal measure each monitor and set level, distance delay and room response.
- Save the system set-up file and store the group settings in the monitors.
Tip: Repeat the calibration whenever the monitors or the listening position move.
Workflow 3: Post-production and edit suite
Accurate, consistent monitoring for picture editing and sound for video.
Connections
| Connect | To |
|---|---|
| Edit system audio outputs | ANALOG IN or DIGITAL IN (AES/EBU) |
| GLM network | All monitors daisy‑chained to the adapter |
Setup
- Mount the monitors on stands or on the wall with GENELEC mounting accessories.
- Calibrate the room with GLM AutoCal.
- Use GLM groups to recall different set-ups for different tasks.
- Enable ISS power saving in GLM so the monitors sleep when the suite is idle.
Tip: Keep the monitors clear of screens and desk edges to reduce reflections.
Workflow 4: Immersive and surround systems
Use the monitor as one channel of a surround or immersive layout with SAM subwoofers.
Connections
| Connect | To |
|---|---|
| Monitors | One per channel position |
| SAM subwoofer | Same GLM network |
| GLM adapter | Computer USB port |
Setup
- Position the monitors at equal distances from the listening position where possible.
- Connect all monitors and subwoofers to one GLM network (up to 30 devices).
- Run AutoCal: GLM aligns level, delay and bass management for every channel.
- Store the settings in the devices for use without a computer.
Tip: GLM compensates distance differences when equal distances are impossible in the room.
Workflow 5: Digital AES/EBU signal chain
Feed the monitors digitally from a digital console or interface.
Connections
| Connect | To |
|---|---|
| AES/EBU output | DIGITAL IN of the first monitor |
| Second monitor | From DIGITAL THRU of the first monitor |
Setup
- Connect the AES/EBU cable to DIGITAL IN of the first monitor.
- Chain on to the second monitor from the DIGITAL THRU connector.
- Select channel A on the left monitor and channel B on the right with the DIGITAL switches or in GLM.
- Set the playback level in the source or with GLM.
Tip: Lowering the monitor level lets the digital source run at a higher level with more resolution.
Workflow 6: Stand-alone set-up without a computer
Use the back-panel controls when GLM is not available.
Connections
| Connect | To |
|---|---|
| Audio source | ANALOG IN or DIGITAL IN |
| STORED switch | OFF to use the back‑panel controls |
Setup
- Set STORED to OFF.
- Choose BASS TILT, TREBLE TILT, BASS ROLL-OFF and DESKTOP settings for the position (see Table 1 of the manual).
- Match the input sensitivity with the rotary level control and the LEVEL switches.
- Turn ISS on if automatic power saving is wanted.
Tip: On a reflective desk, start with DESKTOP -4 dB and BASS TILT -2 dB.
