{"product_id":"e1da-cosmos-scaler-high-performance-low-noise-and-distortion-audio-preamplifier-with-variable-gain","title":"E1DA Cosmos Scaler High Performance Low Noise and Distortion Audio Preamplifier with Variable Gain","description":"\u003cp\u003e\u003cb\u003eSpecification:\u003c\/b\u003e\u003cbr\u003e- Material and surface processing: aluminum + black oxide sandblasting + laser engraving\u003cbr\u003e- Main components: OPA1612, OPA1656, for Viking resistor, for Murata\/Samsung C0G capacitor\u003cbr\u003e- Size: 104 x 61 x 39mm (PCBA: 90 x 50 x 29mm)\u003cbr\u003e- Weight: 160g (PCBA: 40g)\u003cbr\u003e- Power supply: USB-C, +5VDC, \u0026lt;500mA static current\u003cbr\u003e\u003cbr\u003e\u003cu\u003eInput:\u003c\/u\u003e\u003cbr\u003e- 2 channels balanced 200\/100kohm bal\/unbal.\u003cbr\u003e- 3.5mm jack up to 20\/10Vrms bal\/unbal.\u003cbr\u003e- If only the left input is inserted, the signal will pass through the right channel to achieve the MONO mode of Cosmos ADC.\u003cbr\u003e- Cosmos APU's short cable is also suitable for Scaler.\u003cbr\u003e\u003cbr\u003e\u003cu\u003eOutput:\u003c\/u\u003e\u003cbr\u003e- 2 channels balanced 20\/10ohm bal\/unbal.\u003cbr\u003e- 3.5mm jack up to 20\/10Vrms bal\/unbal.\u003cbr\u003e- Cosmos APU's short cable is also suitable for Scaler.\u003cbr\u003e\u003cbr\u003e\u003cu\u003eVariable Gain Table:\u003c\/u\u003e\u003cbr\u003e- 0, 7, 10.7, 13.38, 15.788, 17.38, 18.673, 19.844, 21.08, 21.98, 22.764, 23.513, 24.336, 24.965, 25.527, 26.078db.\u003cbr\u003e- 16 positions are controlled by knobs.\u003cbr\u003e- When the knob is in the \"automatic\" position, it is similar to a super fast automatic regulator (100mS), with a target voltage of 4.5Vrms for the left channel.\u003cbr\u003e- The output voltage of the right channel can be ignored.\u003cbr\u003e- The frequency range of the effective automatic rangefinder is 20Hz-20kHz.\u003cbr\u003e\u003cbr\u003e\u003cu\u003eIndicators (each channel on the front panel):\u003c\/u\u003e\u003cbr\u003e- 1.7Vrms \u0026lt; Blue LED \u0026lt; 4.5Vrms\u003cbr\u003e- 4.5Vrms \u0026lt; Green LED \u0026lt; 10Vrms\u003cbr\u003e- Red LED \u0026gt; 10Vrms\u003cbr\u003e\u003cbr\u003e\u003cu\u003eFrequency Response:\u003c\/u\u003e\u003cbr\u003e- 0.2Hz-570Hz at 26db gain +0.5\/-3db; 0.2Hz-7~11MHz at 0db gain 10MHz region\u003cbr\u003e- Depends on the cable capacitance (the output of the calibrator can remain stable within a microphone cable of up to 7 meters)\u003cbr\u003e\u003cbr\u003e\u003cu\u003eResidual Noise:\u003c\/u\u003e\u003cbr\u003e- 250nVrms (A) at 26dB gain (typical value)\u003cbr\u003e\u003cbr\u003e\u003cu\u003eDistortion:\u003c\/u\u003e\u003cbr\u003e- Due to the huge loop gain OPA1612 + OPA1656 (170dB at 1kHz \/ 130dB at 10kHz), the distortion compared to Cosmos ADC or H3 -175dB at 1kHz about 100 times lower (at 0dB gain)\u003cbr\u003e\u003cbr\u003e\u003cu\u003eCrosstalk:\u003c\/u\u003e\u003cbr\u003e- L -\u0026gt;R: -133db at 1kHz\u003cbr\u003e- R -\u0026gt;L: -158db at 1kHz\u003cbr\u003e- Not using input short circuit at 0dB gain.\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Included:\u003c\/b\u003e\u003cbr\u003e- 1 x Preamplifier\u003c\/p\u003e","brand":"E1DA","offers":[{"title":"Default Title","offer_id":40829950885937,"sku":"92518","price":181.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/4790\/6353\/files\/7079183974449_watermarked_0.jpg_0.png?v=1767552893","url":"https:\/\/www.thanksbuyer.com\/cs\/products\/e1da-cosmos-scaler-high-performance-low-noise-and-distortion-audio-preamplifier-with-variable-gain","provider":"Thanksbuyer Online,SDR Radio, Testers and Measurement devices, Astronomy products,  Audio Amplifer and Decoders","version":"1.0","type":"link"}