Focusrite ISA-828 - Microphone Preamp
- Price: $2,499.99
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- GBP 1,592.33
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Usually ships in 7-14 days
Availability Details
CloseThis is a special order item and is non-cancelable and non-returnable. Est. arrival at B&H is 7-14 days (subject to availability). Your order will be charged at time of shipment.
International orders*
For international orders, credit cards will be charged at time you place your order.
The ISA-828 from Focusrite is an eight-channel microphone preamp, featuring original ISA transformer-based preamps with the signature high-end Focusrite sound.
The microphone input stage provides a variable impedance circuit comprising four input impedance settings. Maximum gain is a very healthy 80dB, for use with low output dynamic and ribbon microphones.
Channels one through four include DI inputs that feature high and low impedance options, delivering a comprehensive and accessible DI solution. An eight-channel optional analog to digital converter card makes the ISA-828 the perfect front-end for a DAW.
- Eight channel microphone preamp featuring original ISA transformer-based preamps
- Each channel can accept either microphone or line input
- Channels 1 - 4 also accept instrument inputs for guitars and basses, or vintage synthesizers with high impedance outputs
- Microphone input can deliver up to 80dB of gain, particularly useful when working with very low output dynamic and ribbon microphones
- Phantom power and phase switches provided on each input
- High-pass filter on each channel provides a 75Hz knee frequency with 18dB/octave roll-off
- Variable microphone impedance with four settings of 600, 1.4k, 24k and 6.8kΩ
- Six-LED input meter per channel
- Optional eight-channel 192kHz analog-to-digital converter card provides eight channels A/D conversion, delivering a dynamic range of 122dB and jitter at <250 picoseconds
| Number of Channels | 8 |
| Inputs |
8 x XLR 8 x 1/4" TRS phone Line 4 x 1/4" TS phone Instrument |
| Output | 1 x 25-pin D-sub (8 x analog outputs) |
| Phantom Power | 48V, individually selectable |
| Multi Function | No |
| Gain Range |
Mic: 0dB to 60dB in 10dB steps (an additional 20dB is available via trim controls) Line: -20dB to +10dB in 10dB steps Instr: 10dB to 40dB continuously variable |
| Maximum Output Level | 24dBu |
| Frequency Response |
Mic: 10Hz to 110kHz, -0.3dB/-3dB Line: 10Hz to 122kHz, -0.3dB/-3dB 10Hz-200kHz +/-0.6dB |
| Noise |
Mic SNR: 106dB Line SNR: 120dB |
| Dimensions (WxDxH) | 19 x 12 x 3.5" (482 x 305 x 88mm) |
| Weight | 19.4 lbs (8.8 kg) |
| Specialties | Provision for adding optional eight-channel analog to digital converter card with Wordclock I/O, and which also provides insert functionality on all eight-channels |
Cables
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- Original: $15.99
- Save: $1.60
- Price: $14.39
- GBP 9.17
Snakes
- Price: $209.95
- GBP 133.72
Expansion Cards
- Price: $499.99
- GBP 318.46
This is a special order item and is non-cancelable and non-returnable. Est. arrival at B&H is 6-10 weeks (subject to availability). Your order will be charged at time of shipment.
Racks
- Price: $84.99
- GBP 54.13
Cases & Protection
- Price: $129.99
- GBP 82.79
What's in the Box
- AC Power Cable
- One (1) Year Warranty
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