Manley Massive Passive Stereo Tube Equalizer – Classic Analog EQ
The Manley Massive Passive Stereo Tube Equalizer is a legendary fully analog, all-tube equalizer that has become an industry standard in both mixing and mastering. Known for its musicality, warmth, and ultra-smooth tonal shaping, the Massive Passive offers an unmatched ability to add character and enhance the depth of any audio source. Whether you’re working on vocals, drums, or full mixes, the Massive Passive provides flexibility and precision to sculpt the sound exactly how you want it.
Built with Manley’s proprietary Class A, all-tube signal path and the company’s renowned custom transformers, the Massive Passive offers unparalleled tonal control and dynamics. Its unique passive EQ design ensures that every adjustment is transparent and musical, making it ideal for critical applications like mastering or fine-tuning individual tracks.
Key Features
- Fully analog, all-tube stereo equalizer
- Class A discrete circuitry for transparent, musical tonal shaping
- 4-band passive EQ with selectable frequencies and bandwidths
- 2-band shelving EQ for low and high frequencies
- Independent band bypass and filter switches for ultimate control
- Custom Manley transformers for rich harmonic content
- Precision matched tubes (12AX7, 12AT7) for maximum musicality
- VU meters for monitoring output level
- Perfect for mastering, mix bus processing, and track enhancement
Technical Specifications
- Frequency Response: 20 Hz – 100 kHz (+0/-3 dB)
- EQ Bands: 4 bands (low, low-mid, high-mid, high) + 2-band shelving EQ
- Gain Control: +/- 18 dB per band
- Bandwidth Control: Selectable for each band
- Input Impedance: 30 kΩ balanced
- Output Impedance: 600 Ω balanced
- Power Supply: 100–240 VAC, 50/60 Hz (universal power supply)
- Dimensions: 19” x 3.5” x 12” (48.3 cm x 8.9 cm x 30.5 cm)
- Weight: Approx. 28 lbs (12.7 kg)
Ideal For
- Mastering engineers seeking transparent and musical EQ control
- Mix engineers looking for analog tone shaping on the mix bus
- Studios looking for a reliable and flexible EQ for individual tracks
The Manley Massive Passive Stereo Tube Equalizer is the go-to choice for any engineer who wants to add vintage analog warmth and precision to their mixes or masters. Its unrivaled tonal flexibility and smooth EQ characteristics make it a staple in high-end studios around the world.