RDL ST-OSC2B Audio Oscillator - 100hz and 400Hz

MSRP: $163.33
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Each of the ST-OSC2 products is a Dual Audio Oscillator. These products are designed for quick, convenient installation, and reliable operation in a variety of audio applications.


  • Low-impedance output drives virtually any audio line
  • Outputs may be connected to either balanced or unbalanced lines
  • Multiturn level adjustment permits precise output setting
  • Separate output level control provided for each oscillator
  • Integral AGC circuitry for stable output level
  • Each oscillator has two separate outputs to drive stereo lines


The ST-OSC2 products feature RDL's SupplyFlex power input configuration. The module will operate directly from floating 24 Vdc or bipolar dc power. If a jumper is connected between the POWER minus terminal and any module ground, the module power becomes ground-referenced.


  • Precision Sine-Wave Audio Signal
  • Amplitude-Stable Oscillator
  • Two Single-Tone Oscillators
  • Precise User-Adjustable Levels
  • Each Oscillator Has Two Separate Outputs
  • 100 Hz and 400 Hz
  • RDL® SupplyFlex™ Power Input Configuration


2 for each oscillator, bal. or unbal.

Output Impedance:
200 Ω to drive high or low Z lines

Nominal Frequencies:

1 kHz and 10 kHz

100 Hz and 400 Hz



< 3%

Output Level:
Off to +10 dBu (adjustable) 600 Ω load. Level Maintained by internal AGC circuit

Ambient Operating Environment:
0° C to 55° C

Power Requirement:

Package Type:
Cardboard Box

Package Dimensions:
2 x 2 x 4 in.

Shipping Weight:
0.215 lbs.

WEEE weight:
0.165 lbs.

Tariff code:


RDL Three-Year Limited Warranty Installation of these products by the Purchaser shall constitute Purchaser’s acknowledgement and acceptance of the terms and conditions for sale and of this warranty, and shall constitute the Purchaser’s determination of the suitability of this product for the Purchaser’s intended application. Radio Design Labs, Inc., also referred to as RDL®, warrants to the Purchaser that products manufactured by RDL are free from defects in material and workmanship. This warranty applies to the period of three years from the date of shipment, except for component parts or products purchased from other sources and supplied by RDL. Such component parts or products bear only the warranty of the manufacturer thereof in effect at the time of shipment to the Purchaser. RDL will, without charge, and after written notice has been received and acknowledged by RDL, repair an RDL product if proved to be defective according to the usage of the trade, when such equipment is received by RDL at the location it designates with shipment costs prepaid by the Purchaser. RDL shall not be liable for any expense whether for repairs, replacements, material, service, or otherwise, incurred by the Purchaser or modifications made by the Purchaser to the product. No equipment shall be deemed defective if it shall fail to operate in a normal or proper manner due to exposure to excessive moisture in the atmosphere, excessive temperature extremes, improper environmental cleanliness, or any other environment not consistent with the principles of good engineering practice. In no event shall RDL have any liability for consequential damage or expense directly or indirectly arising from the use of the products, or any inability to use it either separately or in combination with other equipment or materials, or from any other cause, whether used in accordance with instructions or not. This warranty is void if equipment is altered in any way by other than RDL. RDL products are NOT intended for use in life support appliances, devices, or systems. Use of RDL products in such applications is done solely at the liability of the reseller/installer and/or end user. RDL reserves the right to change design parameters and specifications at any time without notice. The performance measurements reflect the products at the time of printing. This warranty is in lieu of all others, either expressed or implied. No representative is authorized to assume for RDL any other liability in connection with RDL products.