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Description
E1DA Cosmos Scaler High-Performance Low-noise Low-distortions Variable Gain Pre-AMPSpecifications: Device purpose: Ultra low THD+N variable gain buffer for Cosmos ADC Materials: Sandblasted black anodized aluminum laser mark OPA1612+OPA1656 composite,Viking resistors,Murata, Samsung C0G caps, Taiwanese connectors relays Dimensions: PCBA 90x50x29mm104x61x39mm Weight: PCBA 40g 160g Power: USB C +5V rail, <500mA current Input: 2 channels balanced 200 100kOhm bal unbal 3. 5mm jack up to 20 10Vrms bal unbalIf only the left input is
Specifications:
Device purpose: Ultra-low THD+N variable gain buffer for Cosmos ADC
Materials: Sandblasted/black anodized aluminum/laser mark/OPA1612+OPA1656 composite,Viking resistors,Murata, Samsung C0G caps, Taiwanese connectors/relays
Dimensions: PCBA 90x50x29mm104x61x39mm
Weight: PCBA 40g / 160g
Power: USB-C +5V rail, <500mA current
Input:
2 channels balanced 200/100kOhm bal/unbal
3.5mm jack up to 20/10Vrms bal/unbal
If only the left input is plugged, the signal is routed to the right channel as well, to implement MONO mode for Cosmos ADC. Cosmos APU's short cables are suitable for Scaler as well.
If only the left input is plugged, the signal is routed to the right channel as well, to implement MONO mode for Cosmos ADC. Cosmos APU's short cables are suitable for Scaler as well.
Output:
2 channels balanced 20/10hm bal/unbal
3.5mm jack up to 20/10Vrms bal/unbal
Cosmos APU's short cables are suitable for Scaler as well.
Variable gain table: 3.5mm jack up to 20/10Vrms bal/unbal
Cosmos APU's short cables are suitable for Scaler as well.
in db 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, 26.078
16 positions controllable by the knob, in the "Auto" position Scaler works like a ultrafast autoranger(100mS) with the left channel target 4.5Vrms.
The right channel output voltage is ignored. 20Hz-20kHz is the valid frequency range for autoranger.
Frequency Response:
.2Hz-570kHz @ 26db gain +.5/-3db, .2Hz-7..11MHz @ 0db gain 10MHz area depends on a cable(Scaler's output is stable up to 7m of mic cable) capacitance
Residual Noise:
250nVrms(A) @ 26db gain typical
The only indirect measurement method is available at such a low level due to a huge loop gain OPA1612+OPA1656 composite(170db@1kHz/130db@10kHz)
Something like 100x times less than Cosmos ADC or H3 -175db@1kHz at 0db gain
Crosstalk:
Something like 100x times less than Cosmos ADC or H3 -175db@1kHz at 0db gain
L->R -133db, R->L -158db@1kHz unused input is shorted @0db gain
Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
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Product Reviews
★★★★★ 5
Worth it and easy to use
Color: Gold, Color: Gold
It’s very easy to assemble and set up. Like the marble look and delicate pieces. I can use it for multiple occasions.
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Reviewed in the United States on March 10, 2026
★★★★★ 5
Just an ABSOLUTELY PERFECT Bar Cart!
Style: Grey Oak, Size: 14.17"D x 37.01"W x 35.24"H
Completely blown away with this cart! It FAR exceeded my expectations! A little more expensive than similar items, but the reviews sold me on it! Approximately 45 minutes to assemble from unboxing. Really good instructions. Tools included. I put together lots of these Lego Projects, so I can get through pretty quickly. This is a HEAVY, STURDY, SOLID, WELL MADE piece! All of the metal and wood surfaces are smooth and clean! Its much sturdier than it looks in the ad pics. It's also a little larger than I expected, even though I did measure it all out before ordering. I had ZERO problems building this thing. It's beautiful. Lines and surfaces are my base motif, and this fits the bill perfectly! Im not a big fan of the handle but I did go ahead and install. This cart fits seemlessly in with other furniture materials and fabrics. Can be tucked neatly into a tight space, or in my case ... is anchoring its own spot under some artwork somewhat solo along a large wall. You absolutely get your money's worth with this one. An absolute score with Two Thumbs Up!
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Reviewed in the United States on December 31, 2025
★★★★★ 5
Beautiful!!!
Absolutely INCREDIBLE!!!! Easy to assemble and beautiful once set up!!! Plenty of room!!!!
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Reviewed in the United States on April 25, 2026
★★★★★ 5
Good quality wine cart.
Very sturdy bar cart and well made. Product came well packaged, with good instructions and even some extra screws. It is helpful to have 2 people putting it together. The only downside is the wine rack will not hold fatter bottles of wine but I added a small wine rack to the top.
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Reviewed in the United States on May 6, 2026
★★★★★ 4
Very nice cart.
The cart is very functional and relatively easy to put together. I was also provided a great tip on the assembly that made it much easier.
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Reviewed in the United States on April 30, 2026