Retro Instruments Doublewide II – All-Tube 500 Series Compressor
The Retro Instruments Doublewide II is a premium all-tube compressor for the 500 Series format, delivering the warmth, depth, and smoothness that Retro Instruments is known for.
Designed as a fully self-contained dual-slot 500 module, the Doublewide II brings classic tube compression into compact studio racks without compromising tone or headroom.
Its refined design combines the sonic richness of vintage optical and vari-mu circuits with the reliability and flexibility demanded by modern recording and mixing workflows.
Key Features
- All-tube design using four high-voltage miniature tubes for authentic analog warmth and compression.
- Dual-slot 500 Series format with full internal high-voltage tube power supply (no external PSU needed).
- Continuously variable controls for Attack, Release, Threshold, and Output for precise dynamic shaping.
- Switchable sidechain high-pass filter for transparent low-frequency response on complex mixes.
- Hardwire bypass and true stereo link capability for flexible tracking or mix bus use.
- Extended frequency response with rich harmonic saturation and natural transient behavior.
- Perfect for vocals, bass, drums, and mix bus duties – smooth, musical compression that enhances any signal chain.
- Meticulously hand-built in the USA with audiophile-grade components and transformers.
Applications
- Vocals: Add warmth, intimacy, and natural leveling with vintage-style smoothness.
- Bass: Control peaks while enhancing harmonic density and roundness.
- Drums: Bring punch and analog character to overheads or room mics.
- Mix Bus: Subtle glue and tube saturation for cohesive, musical final mixes.
Technical Specifications
| Unit Type | All-Tube 500 Series Compressor (Dual Slot) |
|---|---|
| Circuit Type | Class A tube gain stage with custom transformers |
| Tubes | 4 × NOS miniature dual-triode tubes (high-voltage powered) |
| Controls | Threshold, Attack, Release, Output Gain, Sidechain HPF, Stereo Link |
| Compression Type | Program-dependent optical/tube hybrid |
| Frequency Response | 20 Hz – 20 kHz ±0.5 dB |
| Noise Floor | -85 dBu (typical) |
| Max Gain Reduction | 20 dB |
| Input/Output Impedance | 10 kΩ balanced / 600 Ω output |
| Power Requirement | Standard 500 Series ±16V & +48V (internal high-voltage PSU) |
| Format | Dual 500-series slot module |
| Dimensions | 2-slot 500 Series compatible |
| Origin | Hand-built in the USA |
Why Choose the Retro Instruments Doublewide II?
The Doublewide II brings the unmistakable warmth and compression character of vintage tube gear into the compact 500 Series format.
With its full-voltage tube architecture, it delivers rich harmonics, gentle saturation, and smooth, natural compression on any source.
Whether you’re tracking vocals, mixing drums, or mastering stems, the Doublewide II delivers the classic Retro Instruments tone in a space-saving and modern format.