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HARRISON AUDIO

D510r 500 Series Chassis with D510MX Mixer and 8x 500 Series 32C Preamps

Chassis

Bundle with 500 series chassis, analog mixer, stereo out, dual headphones, 8 transformer preamps with HP/LP filters, XLR and HiZ inputs, built-in PSU

$4,789.00 CAD
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Description

This premium Harrison bundle combines rugged analog hardware with classic sonic character and flexible summing control. At the core is the D510r, a 3RU 19” rack built to house and power up to ten 500-series modules (eight if D510MX mixer is installed). Known for its sturdy build and high-current power supply, the D510r is designed to accommodate even the most demanding analog gear. With standard XLR connections, integrated stereo link functionality, and a user-friendly layout, it’s an ideal foundation for a modular analog front end.

Installed alongside is the D510MX mixer module, transforming the rack into a fully integrated 10x2 analog summing mixer. The D510MX offers intuitive level, pan, and stereo routing for each of the first eight input channels sourced from the 500-series slots, while inputs 9 and 10 are fed directly from the rack’s rear XLRs. A master output section with LED metering and dual front-panel headphone outputs ensures precise monitoring and control, whether you're tracking, mixing, or rehearsing.

The real sonic magic comes from the eight 32Cpre+ 500-series preamps, inspired by Harrison’s legendary console lineage. These transformer-coupled mic preamps bring warmth, punch, and clarity to every source. Each unit features Harrison’s iconic high-pass and low-pass filters, phantom power, a 20dB pad, polarity reverse, and combo front-panel input options for quick access, ideal for vocals, instruments, or drum mics. Whether you're after vintage character or transparent fidelity, the 32Cpre+ modules deliver with signature style.

Together, this bundle offers a complete analog front end and summing solution for studios that value the timeless sound of Harrison gear, paired with modern workflow efficiency, all without relying on digital network interfaces.

Features

High-Capacity 500-Series Rack
Houses up to 10 standard 500-series modules with clean, consistent power across all slots.

Built-In Power Supply
Delivers ample and reliable power to support even the most demanding modules.

XLR Connectivity
Each slot features dedicated rear-panel XLR input and output connectors for easy patching.

Stereo Link Option
Link adjacent module slots for stereo operation using built-in slot jumpers.

Analog Summing Mixer
D510MX module adds a 10x2 analog mixer, enabling stereo summing directly within the rack.

Integrated Mixing Controls
Each channel includes level, pan, and mix routing switches for fast, intuitive stereo mixes.

Dual Headphone Outputs
Two headphone jacks with independent volume controls for flexible monitoring.

Classic Harrison Preamp Sound
32Cpre+ modules deliver warm, accurate audio with transformer-coupled mic preamps used on countless hit records.

Legendary Harrison Filters
Each preamp includes analog high-pass and low-pass filters based on vintage console designs.

Front-Panel Combo Inputs
XLR and Hi-Z instrument connectors on the front panel offer quick access for swapping mics or instruments.

Essential Input Controls
Toggle phantom power, engage a -20dB pad, reverse polarity, and monitor input levels with simple switches and LEDs.

Specifications

Chassis (D510R)
Rack Type: 500 Series Rackmount Chassis
Slot Capacity: 10 Standard 500 Series Slots
Power Supply: Internal, 80–246 VAC, 50/60Hz, 1.8–0.55 A
Power per Slot: 170 mA
Chassis Dimensions (D510r): 19" (W) x 3RU / 5.25" (H) x 7.2" (D)
Chassis Weight (D510r): 10.4 lbs (4.72 kg)
Linking Capability: Stereo Link Jumper (odd to even slot linking)
Input/Output Connectors: XLR Input (Female) and Output (Male) per Slot
Slot Source Select: XLR – DIGITAL Switch (selects rear XLR input when Dante not used)

Mixer Module (D510mx)
Inputs: 10 Inputs (8 from Slots 1–8, 2 from rear XLR Inputs)
Stereo Bus: Summing Mixer (10 x 2)
Per Channel Controls: Pan, Level, Stereo Bus Routing
Main Output Controls: Output Level Knob, LED Meters (Green ≥ –14 dBu, Orange ≥ 4 dBu, Red ≥ 18 dBu)
Headphone Outputs: 2 x TRS Stereo Jacks
Headphone Controls: Independent Volume per Output, Blend Control (Mixer Output vs. Dante Return)
Pan Law: –3 dB Center
Input Gain Range: ≤ –81 dB to +11.5 dB
Maximum Input Level: +24 dBu
Frequency Response: 20 Hz – 20 kHz ±0.25 dB
THD+N @ Max Gain: < 0.003%
Noise (A-weighted): < –85 dBu
Main Output Max Level: +24 dBu
Main Output Gain Range: ≤ –85 dB to +9.5 dB
Headphone Max Output Level: +21 dBu
Headphone Gain Range: ≤ –78 dB to 0 dB
THD+N @ Headphone Max Gain: < 0.004%
Noise (A-weighted): < –82 dBu

Preamps (32Cpre+)
Module Type: Transformer-Coupled Mic Preamp with Filters
Compatibility: Standard API 500 Series Format
Operating Level: +4 dBu Nominal
Form Factor: Single-slot 500 Series Module

Gain
Gain Range: +20 dB to +70 dB
Gain Range with PAD: 0 dB to +50 dB
PAD Switch: –20 dB Input Attenuation

Filters
High-Pass Filter: 25 Hz – 3.1 kHz, 12 dB/oct Slope
Low-Pass Filter: 160 Hz – 20 kHz, 12 dB/oct Slope
Filter Insertion: IN Switch (engages both HP/LP filters)

Input/Output
Front Combo Connector: XLR + ¼" HiZ Input
Input Source Selection: HiZ Switch (¼" Unbalanced), XLR Switch (Front XLR Balanced)
Phantom Power: 48V to Front and Rear XLR
Polarity Reverse: Available
Signal Metering: Bi-color LED for Presence and Clip Detection

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