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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
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.2 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 3
DOG TUG OF WAR ROPE
Size: Medium (23.60")
A little too short, but very tuff tough the ends unravel
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 9, 2025
★★★★★ 5
Great toy for dogs
Color: Black01
Bought for my pug he keeps trying to chew my TV remote so got him his own remote. Lol saved me from having buy new TV remote
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
★★★★★ 1
Don't buy!
Color: Black+Grey, Color: Black+Grey
I purchased this product twice, and both times it was easily chewed apart. This creates a serious choking and digestive risk for dogs. Because of the potential danger to my pet’s health, I am requesting a full refund.
I also believe this product should be reviewed for safety, as it could cause stomach damage or blockage if ingested. Please advise on the refund process and how this issue can be escalated.
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Reviewed in the United States on December 15, 2025
★★★★★ 5
My puppy loved it
Color: Black
It was perfect for her. It satisfied my puppy’s desire to chew on my tv remote. Definitely intended for small breed dogs though. As my puppy is not a small breed and as she has gotten bigger she has been able to chew off chunks of it.
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Puppy loves it
Color: Black
As my puppy loved stealing the tv I decided to get him his own and he loves it, and loves to carry it around.
Definitely not for a strong chewers.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 9, 2026
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