Buzz Audio Essence
500-Series Optical Compressor
Compressor / Limiter$1,140Manufacturer list price
Specifications
- Type
- Compressor / Limiter
- Description
- 500-Series Optical Compressor
- Topology
- optical gain reduction, discrete Class A (BE40 amplifier, BE50 line driver), Lundahl LL1540 input transformer, Lundahl LL1517 output transformer
- Signal path
- Analog
- Channels
- 1
- Channel format
- mono, stereo pairing available
- Form factor
- 500-series module
- Connection
- API 500 Series (VPR-compatible)
- Frequency response
- 14Hz-107kHz, +/-1.5dB
- Country of manufacture
- New Zealand
Details
Controls: Attack (1/15/70ms + AUTO), Release (100/200/400/800/1600ms + AUTO), Ratio 2:1/5:1/10:1/20:1 (soft knee), Makeup gain 0-15dB, sidechain insert, sidechain shelving EQ (+/-8dB @ 10kHz & 100Hz), stereo link
I/O: 2-space API 500VPR module (3"W x 5.25"H)
Notes: 500-series optical compressor; discrete Class A, transformer-coupled (input and output Lundahl transformers), opto topology (flag). Power: 120mA +/-15-18V DC from frame. Price confirmed consistent across two US dealers (ZenPro Audio, Alto Music).