Inward Connections OPT1A Discrete 500 Series Limiter

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OPT1A Discrete Limiter

Inward Connections OPT1A Discrete Limiter for 500 Series

Using the legendary SPA690 discrete amp blocks, the Inward Connections OPT1A has the exact same Optocell gain reduction circuitry as the revered TSL-3 Vac-Rac tube limiter in a solid state 500 series format. Fully transformer balanced input and output, along with an all discrete design insure the sort of top quality audio you would expect from Inward Connections.

Features include

Gain reduction control
Zero adjust trim
Output level control
Hi-Pass filter: 250Hz for detector circuit
Bypass switch
LED lighted VU meter
VU meter output/reduction switch
Link switch
SPA690 all discrete legendary amp blocks
Optocell reduction circuitry identical to TSL-3 Tube Limiter
Balance input and output transformers
Fits standard 500 series slot configuration mechanically and electrically

Specifications

Gain Reduction up to 40dB
Input Impedance >100K ohms balance
Output Impedance 600 ohms balance
Frequency Response +/- 0.5dB@20Hz to 50KHz
Output Signal to Noise -95dB or greater
THD + Noise .01%@1KHz/+4dBu
Reserve Makeup Gain +15dB

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Testimonials

"The OPT1A Limiter is the most recent addition to my wide complement of Inward Connections gear and it does an amazing job of steadying a vocal tracking – the 250 HPF on the detector circuit is crucial to the overall effectiveness of the OPT1A's sound."
Eddie Kramer

Legendary engineer/producer Eddie Kramer has worked with, among others, Led Zeppelin, Triumph, Kiss, Jimi Hendrix, The Beatles, The Rolling Stones, David Bowie, Spooky Tooth, Peter Frampton, Curtis Mayfield, Santana, Anthrax, Carly Simon, Loudness, and Robin Trower.