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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
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4.9 ★★★★★
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Product Reviews
★★★★★ 5
Sweet read
Format: Kindle
A sweet steamy read of an omega who finds her worth and finds the guys that are willing to show her. The story had lovable characters with low angst and a HEA.
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Reviewed in the United States on November 7, 2025
★★★★★ 5
knotty book 1
Format: Kindle
Super enjoyable! What a horrible ex. Was glad to see the back of him, I was hoping I would get to see him suffer a whole lot more.
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Reviewed in the United States on October 5, 2025
★★★★★ 5
Short and sweet
Format: Kindle
Beautifully written, I was worried when it was labelled as a novella at the start, really used to those missing info and jumping forward to complete the story or not having complete character growth, not to worry! Author gave enough time to fall in love (and hate) with everyone, can't wait to read Wendy's story I feel like she will be the badass we all love!
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Reviewed in the United States on August 17, 2025
★★★★★ 3
Likeable characters, but only 75% complete story
Format: Kindle
I really liked the characters introduced, but the author didn’t fully conceptualize everything. We know Lila works long hours, but despite being a college graduate we never learn anything about what she does, where she works, how much she gets paid, etc. For an omega who seemed to be able to support herself, that seemed an unusual oversight. We learn absolutely nothing about what she wants in life, either. Is she just surviving the post-college life struggle or working up to her dream job? Fiona the flamingo had more detail than some of the main characters, but she was 10/10 as good as Wendy for a side character.
— spoilers ahead —-
Separately, some of the plot details were contradictory, or just missing. On one page Lila and Larry were together for 18 months, on another it was 4 years. When did she even move in with him? What did she do while he was gaming? How long were she and Wendy friends for Lila to trust her like that but not know much about her? And why didn’t Lila’s alphas sue Larry to reduce Lila’s debt? Shopping seemed a weird choice pamper her without knowing more about Lila’s debt and plans to reduce it. And her alphas never even ask anything about her job, but she’s The One. Such a frustrating relationship plot hole.
We never even learn anything about the alphas’ families or what they want in life either. I wish the author had written about 30 more pages fleshing out the details and showing how the alphas were just as in love with Lila’s personality as they were with her scent and body. Loved the concept, but I still feel like I read 3/4 of a book.
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Reviewed in the United States on August 29, 2025
★★★★★ 3
It's mid
Format: Kindle
There's a cute story there. The guys are sweet, but... I don't know. It's very vanilla. Not just the mediocre spicy scenes, but the whole story. It's just ok.
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Reviewed in the United States on September 20, 2025