Focusrite ISA 828 MkII Eight-Channel Classic Mic Preamps with Modern Expansion Built for high-end studios and enduring workflows, the ISA 828 MkII combines eight of Focusrites legendary transformer-based mic preamps with flexible analog/digital topology. Featuring adjustable impedance, instrument inputs, high-pass filters, and optional Dante/ADAT/AES3 outputs via expansion card, it delivers pristine sound, tonal richness, and pro-level adaptabilitycore gear for discerning setups at Soundium. Key Features Eight ISA mic preamps with Lundahl LL1538 transformers: Vintage console tone with modern control, capturing presence, depth, and fidelity Multi-source input capability: Mic and line-level inputs on all channels plus front-panel instrument jacks on channels 14 Wide gain range (up to 80 dB): Stepped mic gain (060 dB) plus continuous 20 dB trim delivers extreme flexibility Selectable input impedance & high-pass filter: Four impedance modes including classic ISA 110, and a built-in 75 Hz 18 dB/octave low-cut filter to tame rumble Per-channel metering & inserts: Six-segment LED meters, insert points for outboard gear, and calibrated level trimming for seamless integration Modern, efficient power design: Quiet, reliable switched-mode PSU reducing heat and enhancing durability Optional ADN8 expansion card: Adds ADAT, AES3 (DB-25), Dante audio-over-IP, and Word Clock I/Oup to 24-bit/192 kHz digital outputs Customer Benefits ISA 828 MkII delivers iconic analogue warmth and detailed capture in a single, rack-friendly unit. Whether you’re tracking vocals, instruments, or expanding your I/O footprint, the adjustable impedance and instrument inputs offer creative tonal control. Smart metering and inserts let you shape sound with analog gear before conversion, and the optional digital card future-proofs your setup with network and digital audio workflows. Its the refined heartbeat your studio deserves. Quick Specs Analog Inputs: 8 XLR mic/line, 4 front-panel instrument inputs Gain Range: Mic: 060 dB (stepped) 20 dB trim (total 80 dB); Instrument: 10 to 40 dB via trim Input Impedance: Mic: Low / ISA 110 / Med / High; Instr (14): Low / High High-Pass Filter: 75 Hz, 18 dB/octave Metering: 6-segment LED per channel with rear-trim calibration Insert Points: Switchable per channel for analog processing Power: Universal IEC-switching PSU (100240 V), approx. 35 W Digital Expansion (ADN8): ADAT, AES3 (DB-25), Dante (dual RJ-45), Word Clock in/out, up to 192 kHz Dimensions: 2U rackmount, about 7.05 kg Whats in the Box ISA 828 MkII mic preamp rack unit IEC power cable Quick-start and safety documentation Use Cases / Ideal For Perfect for high-end studio tracking, live room capture, mobile recording rigs, and setups requiring both warmth and modern digital connectivity. Ideal as a front-end for converters, analog color extension, or I/O expansion via Dante or ADAT. Compatibility Uses analog outputs by default (DB-25), with inserts built for analog processing. Supports digital output when paired with ADN8 cardstream via Dante, ADAT, AES3. Clock sync via Word Clock I/O. Fits seamlessly into both analog and digital studio infrastructures. Pros & Cons Pros: Iconic ISA tone with modern flexibility Massive gain range and adjustable impedance for tonal shaping Insert capability before digital conversion Optional digital expansion via Dante, ADAT, AES3 adds future-ready connectivity Cons: Analog only without ADN8digital output requires separate purchase Large, heavy rack unitnot intended for mobile rigging without support Analog inserts and options add complexity to signal routing The Focusrite ISA 828 MkII blends revered analog character with modern studio flexibility. Whether you’re chasing classic mic tone or building a versatile, expandable ecosystem, it delivers unmatched sonic richnessavailable now at Soundium. Reviews There are no reviews yet. Be the first to review “Focusrite ISA 828 MK2” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.