มิกเซอร์ ยี่ห้อ Allen & Heath รุ่น GL2800 848X
Allen & Heath GL2800-848X is the 48 input version, complete with 48 line inputs, 48 microphone preamplifiers and 8-bus group routing. There is absolutely no shortage of routing possibilities with four dedicated stereo input channels, 10 auxiliary sends and a 12×4 routing Matrix section. Also featured are 1/4″ phone TRS inserts on all input channels, auxiliary sends and stereo master output. Direct outputs via 1/4″ phone connectors are provided on every input channel, enabling input signal to be routed directly to multitrack recorders, monitor mixers, etc. Allen & Heath GL2800-848X circuitry provides exceptionally low residual noise from the mix head amplifier and output stages. Improved microphone preamplifiers maintain low noise and can except as much as +34dBu. Four dedicated stereo input channels provide dual L/R stereo line inputs, for a total of four stereo line level inputs. Both stereo input channels also feature a mono microphone input with a standard 3-pin balanced XLR connection and a 1/4″ phone microphone output. The microphone output is convenient for feeding ambient microphone signal to recorders, RTA measurement systems, etc. Allen & Heath GL2800-848X now can be bought in vincent maestro online shop with a typical buy cheap wholesale prices.
The 12 x 4 Matrix is literally a mixer within a mixer. 4 output channels feature independent output level control and signal routing from any of the 8-sub groups, L/R stereo or Matrix External inputs (12×4). Applications include assisted listening mixes, additional monitor mixes, remote broadcasts, zone feeds, mono recording and stereo recording comps. And at the heart of this design is the new gain structure allowing a whopping 34dBu maximum input capability and a new ultra-quiet mix head amp section, delivering excellent audio performance. GL2800-848X is designed for use in any live sound application, including theatres, music venues, houses of worship, festivals, corporate AV, stadiums, etc. With its neat, intuitive layout and straightforward analogue technology, clean audio and high dynamic range, its performance easily rivals that of the best digital consoles. All the advantages of this Allen & Heath GL2800-848X now can be purchased with a cheap wholesale prices at this online shop. All other information about purchase procedure, features, and specifications Allen & Heath GL2800-848X now can be seen in the following informations.
Features
- 48 channel frames
- Fully featured 12×4 Matrix
- Responsive 4 band, 2 sweep EQ
- Proper dual functionality for FoH/Monitor mixing
- Recording capable with channel direct outputs
- M can be used for centre/sub mix, LR mono sum, or engineers wedge
- Matrix external inputs with level trims and common input capability
- Stereo channel mic inputs can cross patch into matrix for ambience feed
- 100Hz channel high pass filters
- Individual phantom power and polarity switching
- Wide angle channel and master meters
- 8 Audio groups with pan and routing to L, R, and M
- 10 Auxes including a dedicated stereo send
- L, R, and M main mixes
- 2 multifunction stereo channels each with mic and stereo line inputs
- 2 extra dual stereos provide 4 summed or independent stereo returns
- Dedicated stereo monitor meters
- Per channel pre/post fader aux switching for full flexibility
- Recessed pre/post-EQ aux switching per channel
- Internal jumper plugs for aux, direct out and other options
- Mutes on all fader masters
- 100mm dust protected faders
- Assignable talkback to all outputs, includes a talk switch latch mode
- 1kHz oscillator / pink noise generator with patchable external output
- 2-track monitoring and replay to LR
- 3 headphones/earpiece sockets and local monitor outputs
- Electronically balanced XLR outputs with +26dBu drive capability
- Preamp 74dB range with +34dBu input capability for mic or line
- Ultra low noise mix head amp design
- Uses RPS11 high performance external linear power supply
- Built-in combiner for redundant backup supply
- Individual circuit card assembly with nutted pots
- Sys-Link V2 console input/output linking option
- 4-pin XLR lamp sockets – Allen & Heath LEDlamp available
Specifications
- Number of Channels: 48
- Mic/Line Inputs: 48 Line: 1/4″ Phone / 40 Mic: 3-pin XLR
- Stereo Line Inputs: 4 Stereo: L/R 1/4″ Phone
- AUX Sends: 10 Aux Sends: 1/4″ Phone
- Inserts: 48 Line: TRS 1/4″ Phone / 8 Group: TRS 1/4″ Phone / 2 Stereo Out: TRS 1/4″ Phone
- BUS (Group) Outputs: 8 Group Outputs: Balanced 3-pin XLR
- 2 Trk Master I/O: Main Outputs: Left / Right / Mono (sub) Balanced 3-pin XLR / 2Trk In: L/R 1/4″ Phone / 2Trk Out: L/R 1/4″ Phone
- ALT I/O: Matrix – 4 EXT In: 1/4″ Phone / 4 MTX: 1/4″ Phone
- Monitor Outputs: Monitor Out: L/R 1/4″ Phone
- EQ Section: Gain (each band): +/- 15dB
- Mono Channels-
- Low: Shelf 80Hz
- Low Mid: 35Hz – 1kHz Q=1.8
- High Mid: 500Hz – 15kHz Q=1.8
- High: Shelf 12kHz
- Stereo Channels – Low: Shelf 80Hz
- Low Mid: 250Hz Q=1.8
- High Mid: 2.5kHz Q=1.8
- High: Shelf 12kHz
- Solo/Mute: Mute / PFL on all channels
- Channel Level Control: 100mm faders
- Trim/Gain Control: Sealed Rotary Potentiometers
- Phantom Power: +48 Volt Phantom Power (all mono channels)
- Frequency Response: 20Hz to 50kHz
- Power Supply: External RPS11 linear, IEC input (exclusive to 40 channel model) / Input for second RPS11 as backup supply
- Dimensions (W x D x H): 64 x 6.7 x 25.6″ (1625 x 168 x 650mm)
- Weight: 103.4 lbs (47kg)




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