OT3SE  USA built Single Ended transformer for tiny tube amps

This is a new 3 Watt SE Output transformer for tube guitar circuit applications (60Hz to 15KHz) using small power tubes such as 12AU7. This version of the transformer is built in USA to an MPS custom design specs & is suitable for many 0.5 to 3VA Single-ended guitar amp circuits looking for something with a bigger sound than a re-purposed "reverb drive transformer".  We are using audio grade 29M6 laminations in a 0.75" oversized stack in a gapped E-I 62 core structure with bobbin wound construction.  It's an interleaved winding with 25K input impedances and 4/8 ohm output impedances. It's surface mounts on a 2-hole pattern at 2.375" centers and is fully shielded

CONSTRUCTION DETAILS-  

Laminations: 29M6 x EI-62  Butt stacked with a core gap 
Bobbin: EI-62 5/8 x 3/4in stack, Nylon Glass Reinforced UL94V-0
Winding: 3 layer split interleave, perfect layer output windings
Magnet Wire: MW80 155C or higher
Varnish-Class B 130C
Tapes: 3M #1350F (inner) & #1350F (outer wrap)
Leads- 600Vac rated - 10 in long
Frame: Bahr's USA EI 5/8 channel frame 

Weight: 12 OZ

PERFORMANCE  
Operating Voltage 500Vdc
Maximum Output Power: 3VA (25mADC)
Designed Operating Frequency (+/-1dB): 60 to 15000 Hz
HiPot Test Ratings 1000Vac minumum
Inductance >14H
Input Impedances B+ to Plate: 25000 Ohms
Output Impedances: 4 and 8 Ohms
Application: 0.5 to 3W Single Ended Miniature Tube Amplifiers or Reverb Units

Dimension- 2.82in (W) x 1.85in (D) x 1.7in (H)

Mounting- 2 holes at 2.375in

Shipping weight will be 1Lb each and shipment via USPS.  Use shipping calculator below to estimate cost to your location.  Will ship Worldwide. 

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