The UTM3590 is a Single Ended tube output transformer, 9.6k:600, 8:1, 4:1 or 2:1 ratio. GAPPED. Recommended for tube preamp projects like RCA BA-2C.
Clamped and open frame option available.
The UTM3510 is a line-level, clamped output transformer, 10k:600Ω, 4:1 ratio. Recommended for any kind of tube output amplifiers, including SRPP circuits. It's equipped with 150mm color leads.
The UTM3505 is a line-level, low-profile, output UNGAPPED transformer, 300Ω:600Ω (1:2). Dedicated for UREI 1176, rev F-H, including Gyraf's project. Fits in 500-series modules.
The UTM3590 is a Single Ended tube output transformer, 9.6k:600, 8:1, 4:1 or 2:1 ratio. GAPPED. Recommended for tube preamp projects like RCA BA-2C.
Clamped and open frame option available.
UTM_Catalog2B.pdf 
