Bob's Devices Sky 40-S MC Step Up Transformer (1:40 RCA) 1
Bob's Devices Sky 40-S MC Step Up Transformer (1:40 RCA) 2
Bob's Devices Sky 40-S MC Step Up Transformer (1:40 RCA) 3
Brand: Bob's Devices

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Bob's Devices Sky 40-S MC Step Up Transformer (1:40 RCA)

$1,750.00
 
Availability: In Stock
In Stock An In Stock item is available to ship normally within 24 business hours.
Preorder A Preorder is an item that has not yet been released. Typically the label will set a projected release date (that is subject to change). If a projected release date is known, we will include this in the description in red. Other Preorders are set to release 'TBA.' This means that release date is yet 'To Be Announced'. The Preorder can be released anywhere between weeks, months or years from its initial announcement.
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Expected On When an item is Out Of Stock and we have an estimated date when our stock should arrive, we list that date on our website in the part's description. It is not guaranteed.
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SKU:
BOBSKY40S
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Available as switchable or non-switchable.

Boost your MC cartridge with the natural sounding MC Phono Step-Up Transformer from Bob's Devices!

Bob's Devices MC Step Up Transformers are Hand-Made upon order and are ready to ship in approximately 1-2 weeks!

Will this work with my MC Cartridge? We can answer that! Simply let us know what Cartridge and Phono Preamp you have and we'll do the rest! Email or call us today at: sales@elusivedisc.com or 800-782-3472.

This is a step up (pun intended) from the SKY 40 Step-Up transformer. It is heavier and meatier than the SKY 40 and the core material is heavier resulting in a slightly taller transformer than the prior SKY 40. It has the same ratios (1:20 in LOW and 1:40 in HIGH). If your system is very revealing, you will notice the difference. It was hard to upgrade the SKY 40. Bob's Devices tried many combinations and found that by increasing the weight and length of the core, they could also change the winding scheme to reduce capacitance. You will "Hear the Magic."

Recommended Step-Up Ratio Based on Internal Impedance and Output Voltage of Cartridge

Voltage (mV) 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.6 0.65 0.7
Internal Impedance (Ω)
5 40 40 40 30 30 20 20 20 15 15 15 10 15 10 10 10
10 40 40 30 20 20 20 20 15 15 15 15 10 10 10 10
15 40 40 30 30 20 20 20 20 15 15 15 15 10 10 10 10
20 40 30 30 20 20 20 20 15 15 15 15 15 10 10 10 10
25 30 30 20 20 20 15 15 15 15 10 10 10 10
30 30 30 20 20 20 15 15 15 15 15 10 10 10 10 10
35 30 30 20 20 15 20 15 15 15 15 15 10 10 10 10 10
40 30 30 20 20 15 20 15 15 15 15 10 15 10 10 10 10 10
45 30 20 20 15 15 15 15 15 10 15 10 10 10 10 10

This chart (based on using MM inputs with 47k Ohms impedance setting on phono stage) is not accurate for Denon Cartridges.

Note: Where 2 numbers appear, either can be used.

Features

  • Unswitchable at 1:40 (32dB)
  • In/Out RCA Connections

Special Note: Optional XLR connectors are available. Please contact us at sales@elusivedisc.com or 800-782-3472. Please allow 1-2 weeks for order fulfillment.

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