The STA-2A is a dual-channel, line-level audio preamplifier. Each channel is identical. The audio inputs are bridged at 20 k ohm and accept either an unbalanced or a balanced audio signal. Gain is adjustable from unity to +24 dB using a 25-turn precision audio taper trimming potentiometer. The output line driver circuits are designed to drive long balanced audio lines into 600 ohm loads.
The STA-2A features wideband circuitry for excellent phase response, low noise, low distortion and exceptional audio clarity. RDL™s SupplyFlex power input configuration is included in the STA-2A. The power supply input may be fed from a floating (not ground-referenced) 24 Vdc power source, from a bipolar power supply (+/- 12 Vdc or +/-15 Vdc) or from a ground-referenced 24 Vdc power supply.Many audio products provide optimum performance when feeding into a bridging input, but may not provide the output needed to directly drive low-impedance lines terminated with 600 transformers. The STA-2A is specifically designed for such installations, and is also ideal in installations requiring high gain in line-level audio transmission.
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Features:
- Up to 24 dB Gain in Audio Lines
- Conversion between Unbalanced and Balanced
- Conversion between High and Low Impedance
- Low-Impedance, High-Current Line Drivers
- Dual-Channel Line-Level Preamplifiers
- High Gain, High Output, High Performance
- RDL SupplyFlex Power Input Configuration
Fast shipping and professional packing
Because of our long-standing relationship with UPS FedEx DHL, and other major global carriers, we are able provide various shipping options. Our warehouse personnel will pack each item according to our strict specifications. Prior to shipping the goods are thoroughly inspected and secured. Every day we ship hundreds of packages to our customers across many countries. The fact that we're dedicated to becoming the largest online retailer in the world is evident. The warehouses and centers of distribution are in Europe and the USA.
Note that orders containing more than one item are processed according to the particular item.
We will inspect each and every one of the products before they are shipped. Today, the majority orders will be shipped within 48 hours. The delivery time will be between 3-7 working days.
Returns
The stock market is always changing. It's not entirely managed by us, since we are involved with multiple organizations, such as the factory and the storage. The actual levels of stock can change at any time. Please understand it may happen that your order is out of stock when the order has been placed.
Our policy runs for a period of 30 days. However, if the 30 days have elapsed from the date you purchased the product, we are unable to give you a refund or exchange.
For your item to be eligible for return, it must be unopened and in the condition you received it in. It should also be in the original packaging.
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