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Analog Specs
Universal Audio1950sCompressor/LimiterCompressor / Limiter$$$$Collector-Grade($3,000+)

Universal Audio 175B

Engineers and historians wanting the tube variable-mu compression sound that preceded the 1176.

Check your gain staging

Free tool — convert dBu/dBV, chain gain stages, and check your headroom before it clips.

Plan your patchbay

Free tool — learn normalization types, get creative patching ideas, and build a printable layout.

Strengths

  • Tube variable-mu gain reduction predates and directly inspired the later solid-state 1176
  • Rich harmonic saturation from its tube circuit adds character many solid-state compressors lack
  • Historically significant as an early building block of studio compression itself

Trade-offs

  • Original units are extremely rare and expensive, mostly collector-grade rather than daily-use gear
  • Tube components and aging transformers require careful, specialist maintenance

Full Specifications

Full technical specifications for the Universal Audio 175B
SpecificationValue
BrandUniversal Audio
Model175B
Era1950s
Typical Price TierCollector-Grade ($3,000+)
Device TypeCompressor/Limiter
Circuit TypeTube, variable-mu gain reduction
Channels1
EQ Bands / Ratio RangeFixed ratio, program-dependent (tube variable-mu)
Rack Size3U
Sidechain InputNo

A relative used-market guide, not a live quote — real prices vary by condition, region, and timing. Check the Reverb/eBay links on any item for current listings.

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Match Score Explorer

Weight what matters to your workflow. Every deck is re-scored live against your priorities, benchmarked against the Universal Audio 175B.

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This deckUniversal Audio 175B
Match35
Flexibility38
Ease of Maintenance25
Ease of Use45
Tonal Neutrality30

Ranked against 44 other decks

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