Teletronix LA-2A
Rack-mount tube-based optical leveling amplifier, a hand-wired reissue of the Teletronix LA-2A. It suits engineers who want smooth, programme-dependent compression on vocals, bass, drums and other sources while tracking or mixing.
- Hand-wired reissue of the Teletronix LA-2A optical tube leveler
- Tube-driven electro-optical attenuator, 0 to 40 dB gain limiting
- Distortion under 0.5% THD (0.25% typical) at ±10 dBm
- Jones barrier terminals and XLR connectors
- Impedance selectable: 50, 150, 250 or 600 ohms
- 19" rackmount, 3U, 13 lbs
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The Teletronix LA-2A Classic Leveling Amplifier is a reissue of the optical tube compressor that Teletronix founder Jim Lawrence developed in the early 1960s. It uses a tube-driven electro-optical attenuator, which reacts instantly to the signal without adding harmonic distortion. The controls are kept simple, and the unit provides up to 40 dB of gain limiting.
Each unit is point-to-point hand-wired at Universal Audio's Custom Shop in Santa Cruz, California. Components are checked for authenticity, so the unit follows the original in design, manufacturing and performance. Metering shows either gain reduction or output level in dB.
Connections are made through Jones barrier terminals and XLR connectors, with a balanced stereo interconnection. Input and output impedance can be set to 50, 150, 250 or 600 ohms. The chassis is a 3U, 19-inch rackmount and runs on 120/240 V mains.
Video
Tekniset tiedot
- Merkki
- Universal Audio
- Malli
- Teletronix LA-2A
- Luokka
- Studio › Esivahvistimet ja outboard-laitteet
Inputs
- Input impedance
- 50, 150, 250, 600 ohms
- Input level
- +16 dB maximum
- External connections
- Jones Barrier terminals and XLR connectors
Outputs
- Output load impedance
- 50, 150, 250, 600 ohms
- Output level
- +10 dB nominal, +16 dB maximum
Audio
- Frequency response
- +0/-1 dB, 30 Hz to 15 kHz
- Gain
- 40 dB ±1 dB
- Gain limiting
- 0 to 40 dB
- 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
- Attenuator
- Tube-driven electro-optical
- Metering
- dB gain reduction and dB output
Power
- Power requirements
- 35 watts, 120/240 volts, 50/60 Hz
Physical
- Form factor
- 19" rackmount chassis, 3U
- Weight
- 13 lbs.
- Maximum operating temperature
- 160°F
- Manufacture
- Hand-wired in Santa Cruz, California