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The original Universal Audio 1176LN designed by Bill Putnam was a major breakthrough in limiter technology – the first true peak limiter with all transistor circuitry offering superior performance and a signature sound. Evolved from the popular Universal Audio 175 and 176 vacuum tube limiters, the 1176LN retained the proven qualities of these industry leaders, and set the standard for all limiters to follow.
Today, the 1176LN is new again. While it certainly would have been possible – and much simpler – to modernize and "improve" the 1176LN, every effort was made to remain faithful to Putnam’s design and intentions. Carefully trained staff hand-wire and test each unit until it meets our uncompromising standards. This Universal Audio Classic version of the 1176LN captures all the nuance of the original through obsessive attention to detail and delivers that trademark sound. Demand the original. Accept no copies.
The 1176SA™ calibrates two mono 1176s for stereo operation. 1176-SA Stereo AdapterThe 1176SA was first offered for the original 1176, but has become increasingly difficult to find for use with either vintage or new 1176s. Due to customer demand for stereo operation, we carefully recreated the original adapter. The 1176SA is a small device (4.25" x2.5" x1.75") which rests behind the 1176s. The 1176SA sports a full metal enclosure for proper shielding, gold-plated connectors. A 2-year battery is included. The 1176SA is compatible with both new and vintage models. |
The 1176SA™ calibrates two mono 1176s for stereo operation. 1176-SA Stereo AdapterThe 1176SA was first offered for the original 1176, but has become increasingly difficult to find for use with either vintage or new 1176s. Due to customer demand for stereo operation, we carefully recreated the original adapter. The 1176SA is a small device (4.25" x2.5" x1.75") which rests behind the 1176s. The 1176SA sports a full metal enclosure for proper shielding, gold-plated connectors. A 2-year battery is included. The 1176SA is compatible with both new and vintage models.
- True to the original in design, manufacturing and performance
- Modeled after 1176LN, blackface, D and E revisions
- Ultra fast attack time – 20 microseconds to 800 microseconds
- Class A line level output amplifier
- Custom built Putnam-designed output transformer
- Stereo interconnect operation
Input Impedance: 600 ohms, bridges-T control (floating)
Output Load Impedance: 600 ohms, floating, damping factor 20
External Connections: Jones Barrier terminals and XLR connectors
Frequency Response: ± 1 dB 20 Hz to 20kHz
Gain: 50 dB
Distortion: Less than 0.5% total harmonic distortion from 50 Hz to 15 kHz with limiting
Signal to Noise Ratio: Greater than 70 dB at +10 dBm
Attack Time: 20 microseconds to 800 microseconds
Release Time: 50 milliseconds to 1.1 seconds
Stereo Interconnection: via 1176 SA Network accessory
Meter: dB gain reduction and dB output
Power Requirements: 120/240 V
Environmental: Maximum operating temperature 160°F
Dimensions: 19" Rackmount chassis, 2U
Weight (unboxed): 11 lbs.
$3,161 RRP |
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Finally, a true stereo 1176! With over 2000 units already sold to date since the year 2000 re-birth of Universal Audio's 1176LN, it is clear the public's love affair with the legendary sound of the 1176 is still as passionate as ever.
The 2-1176 builds from the circuit design of UA's hugely successful 6176 Channel Strip and combines two 1176 channels from that unit-- an uncompromising design, with all the same components- stereo matched to boot!
With the release of the 2-1176, we once again put that sound into your rack but with twice the tone, twice the character and twice the compression-- at an unbelievable price, and half the space. As you would expect from UA, it also retains all the features and trademark sound of its ancestor, and switches easily between dual mono and stereo link.
And yes-it does All-Button!
- Sound and Features of the Original 1176LN
- Classic Custom 1176LN Output Transformers
- Stereo or Dual Mono Operation
- Totally Independent Compression and Gain Controls in Dual Mono Mode
- Matched FETs and Output Transformers
- Rack Space Convenience of Two 1176s in a 2U Rack Design
Input Impedance: Selectable, 15k W or 600 W
Output Load Impedance: 600 ohms, floating
External Connections: XLR connectors
Frequency Response: ± 1 dB 20 Hz to 20kHz
Gain: 40 dB, +/- 1dB
Distortion: Less than 0.5% T.H.D. from 50 Hz to 15kHz with limiting, at 1.1 seconds release setting. Output of +20 dBm with no greater than 0.5% T.H.D.
Signal to Noise Ratio: Greater than 85 dB
Attack Time: 20 microseconds to 800 microseconds
Release Time: 50 milliseconds to 1.1 seconds
Stereo Interconnection: Chan. A Attack and Release links to Chan. B via LINK mode
Meter: dB gain reduction and dB output
Power Requirements: 120/240 V
Dimensions: 19" Rackmount chassis, 2U
Weight: 9.6 lbs.
$4,321 RRP |
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Audio professionals passionate about their compressors revere the LA-2A. The original was immediately acknowledged for its natural compression characteristics. A unique electro-optical attenuator system allows instantaneous gain reduction with no increase in harmonic distortion – an accomplishment at the time, still appreciated today.
Universal Audio now announces the rebirth of the Teletronix LA-2A, a Universal Audio Classics product. Painstaking care has been taken to ensure that every new LA-2A provides the performance and characteristics of the original. Each unit is hand built, each component carefully evaluated for authenticity. No expense has been spared to guarantee that this LA-2A will bring that classic sound to your recording. Demand the original. Accept no copy.
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- True to the original in design, manufacturing and performance
- Lag free, distortion free optical attenuator system
- Distortion less than 0.5% THD
- 0 to 40 dB gain limiting
- Balanced stereo interconnection
- Frequency response 1 dB, 30 to 15,000 cps
- Output level of 10 dBm and 40 dB gain
- Low noise – less than 70 dB below +10 dBm output
Input Impedance: 50, 150, 250, 600 ohms
Output Load Impedance: 50, 150, 250, 600 ohms
External Connections: Jones Barrier terminals and XLR connectors
Frequency Response: +0/-1 dB 30 Hz to 15kHz
Gain: 40 dB ± 1dB
Input Level: +16 dB maximum
Output Level: +10 dB nominal, +16 dB maximum
Distortion: Less than 0.5% THD (0.25% typical) at ±10 dBm
Noise: 70 dB below +10 dBm output level
Attack Time: 10 milliseconds
Release Time: 0.06 seconds for 50% release; 0.5 to 5 seconds for complete release
Meter: dB gain reduction and dB output
Power Requirements: 35 watts, 120/240 volts, 50/60 Hz
Environmental: Maximum operating temperature 160°F
Dimensions: 19" Rackmount chassis, 3U
Weight: 13 lbs.
$4,655RRP |
Inside the LA-2A
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The 2-LA-2 is not an exact component clone of the classic LA-2A, but a feature-enhanced stereo evolution of its ancestor that elegantly combines two channels of silky, tube-amplified, stereo matched optical gain reduction in one unit. Designed by original UREI® engineer Dennis Fink, the 2-LA-2 retains the original all-discrete Class A circuitry and core "sonic signature" components that made the LA-2A the studio standard compressor in recording studios around the world.
With ten tubes and four T4 gain reduction modules, the 2-LA-2 is a breakthrough in optical compression. Featuring two socketed T4 modules on each channel, the 2-LA-2 has switchable slow and fast recovery times. The slow recovery setting delivers the same program dependent, artifact-free gain reduction made famous in the original Teletronix unit used on countless recordings. The new fast recovery option offers more versatility over the original, making the 2-LA-2 an amazing choice for demanding studio tasks such as stereo bus compression or reigning in the fast transients on drum groups.
The 2-LA-2 uses only the finest audiophile quality parts, from metal film resistors and WIMA capacitors to custom UA input and output transformers. From drum bus to master bus, vocals to vibraphones, the 2-LA-2 delivers the same authentic, smooth as silk gain reduction you've come to know and trust with the LA-2A, conveniently re-designed into a 2U two-channel package.
- Sound and circuit of the original Teletronix LA-2A
- Matched slow and fast optical T4 modules
- Linked stereo or dual mono operation
- 2U Rack, Custom UA transformers, audiophile components
- Designed by original UREI® engineer Dennis Fink
Gain: 35dB
Input Level: +24dB
Output Level: +20 dBu @ 1%
Slow Attack Time: 10ms
Fast Attack Time: 2ms
Slow Release Time: 0.06 for 50% release; .5 to 5 seconds for complete release
Fast Release Time: 0.025s for 50% release; .2 to 2 seconds for complete release
Noise: -70dBu
$5,379 RRP |
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The original LA-3A Audio Leveler made its debut at the 1969 NY AES show and marked the departure from the tube design of the Teletronix LA-2A Leveling Amplifier. The LA-3A incorporated components and design concepts from the Putnam-designed 1176LN Limiting Amplifier. Immediately embraced as a studio workhorse and still widely used today, the LA-3A remains a favorite of engineers and producers worldwide for its unique compression characteristics and sonic signature.
Our UA Classics reissue of the LA-3A meticulously retains all the internal and external qualities of the original: The same simple control set, and the T4 electro-optical attenuator, which is the source of the LA-3A’s program dependent compression. It also retains the 2RU half-rack design, and comes complete with a single-unit rack assembly--no additional kit is necessary. All the original rear panel connections and controls are also maintained, while the commonly performed “LA-3A gain mod” is added as an additional switch for maximum studio versatility.
- Classic Solid-State Opto-Compressor
- Custom UA Transformers & T4 cell
- Discrete Amplifier – up to 50dB gain
- Rear Panel "Gain Mod" switch for gain control
- Designed by ex-UREI engineer- Dennis Fink
External Connections: Jones Barrier terminals and XLR connectors
Gain Reduction: up to 40 dB
Distortion: Less than 0.33% at +24dBm
Frequency Response: 20Hz – 20kHz +/- 0.5 dB
Noise Floor: -80 dB below program at threshold of limiting
Gain: 30 +/- 1dB, 50 +/- 1dB
Output Level: +20 dBm nominal
Input Level: 0dBm @ 50dB gain; +20dBm @ 30dB gain
Attack: 1.5ms or less
Release: 0.06s for 50% release
$2,705RRP |
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