Inward Connections OPT1A #039 (Used)

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