Universal Audio 1176LN
Bill Putnam's solid-state answer to his own tube limiters. The peak limiter ended up on countless recordings and never really left the rack.
Overview
The 1176LN started as a design problem Bill Putnam set for himself in 1966: keep the musical behavior of the Universal Audio 175 and 176 valve limiters, but move the gain stage to transistors. Sound on Sound (2001, p.140) traces the lineage directly. The 1176 kept much of what made the 175 and 176 work and borrowed solid-state amplification from the company's 1108 preamp. So it has tube-era gain control with transistor-era speed and headroom.
Production numbers get traded among collectors like baseball cards. According to Mix (June 2000, p.142), roughly 12,000 to 15,000 units were built starting in 1967, and the original retail price was $489. Those figures come from a single period source, so treat them as reported. They do line up with how often original units surface compared to, say, a Fairchild. The 1176 was a working tool, not a museum piece, and it was made in quantity because studios kept ordering them.
The 1176LN does peak limiting with a fast, aggressive attack that engineers either love or fight. The reissue's metering can be switched between gain reduction and output level, and it offers a choice of +4dBm or +8dBm calibration. Mix (June 2000, p.142) called out that detail in its review of the reissue.
The period press had a consistent take on the 1176's sound. Mix (June 2000, p.142) noted that whether the unit is used for gain reduction ahead of a mic preamp or for output level, it always carries a "hot" character. The 1176 doesn't do transparent. It does assertive, and it does it consistently.
On the reissue, Sound on Sound (June 2001, p.142) reported that Universal Audio claimed the 1176LN reissue was as faithful to the original in components and construction as could be managed. That's the manufacturer's claim, not an independent verdict.
A studio profile in EQ describes a vocal chain running two mics through an Avalon AD2022 preamp and a Universal Audio 1176LN compressor straight into Pro Tools at 96K. That puts the 1176 between a modern preamp and a digital rig. Another facility listed both an LA2A and a 1176LN in its outboard rack alongside dbx 160XTs and Drawmer gates. A recording engineer's session diary notes an order for "one Universal Audio Limiter 1176LN to complement the three existing Universal Audio limiters" - so that engineer was buying a fourth.
That's the thing about the 1176LN. It's not a piece you admire from a distance. It's a piece you keep reaching for, and the fact that the same model number has been in continuous studio service — and continuous reissue — for decades is the least romantic and most convincing endorsement available.
eBay Listings
As an eBay Partner, we earn from qualifying purchases. This helps support our independent vintage technology research.