The mod transformer is the sealed rectangular one typically made by Chicago Transformer. <div dir="auto"><br></div><div dir="auto">Please let me know if you have one for sale. <a href="mailto:W4AX.mack@gmail.com">W4AX.mack@gmail.com</a>. </div><div dir="auto"><br></div><div dir="auto">Thanks in advance. </div><div dir="auto"><br></div><div dir="auto">Mack</div><div dir="auto">W4AX</div><div dir="auto"><br></div><div dir="auto"><div><img src="cid:18b4504ab4aa73ce4e81" style="max-width: 100%;"></div><br></div>