Nikko Solid State Stereo Amplifier TRM-40 LA (TRM-40 B) [Germanium Transistors HITACHI 2SB337 ТО3], 1968, made in Japan

Link: radiomuseum | Nikko TRM-40B [Service Manual, PDF] | Nikko TRM-40 IC ldsound

Оконечный усилитель собран на германиевых транзисторах: 4 x HITACHI 2SB337 ТО3

Country: Japan
Manufacturer / Brand: Nikko Electric Manufacturing Co., Ltd.; Tokyo
Year: 1968 ??
Category: Audio Amplifier or -mixer
Semiconductors (the count is only for transistors) Semiconductors present.
Main principle Audio-Amplification
Wave bands - without
Details
Power type and voltage Alternating Current supply (AC) / 220 Volt
Loudspeaker - This model requires external speaker(s).
Power out 44 W (max.)
Model: Solid State Stereo Amplifier TRM-40 LA / TRM-40 B - Nikko Electric Manufacturing
Material Metal case
Dimensions (WHD) 300 x 95 x 220 mm / 11.8 x 3.7 x 8.7 inch
Notes
- Nikko TRM-40 LA / TRM-40 B
- Nikko presented the first TRM-40 as early as April 1963; the model described here is referred to as TRM-40 B in the service instructions and dates from the later 1960s. Full transistor stereo amplifier, germanium transistors, output transformer, channel-wise separate tone control, connections for phono magnetic (2.7 mV) or ceramic (160 mV), tuner, tape, AUX (170mV) and two special audio head inputs: 19cm and 9.5 cm (1.8 mV each). Circuit breakers for mains and output stage protection
- Output power at distortion level 1.0%: 14 watt continuous power at 8 Ω (measured individual channel) 44 watts of total music power into 8 Ω (both channels)
- Output stage transistors 4 x Hitachi 2SB361
- Metallgehäuse: schwarz, Frontblende: schwarz/silberfarben
Net weight (2.2 lb = 1 kg) 4.8 kg / 10 lb 9.2 oz (10.573 lb)
Mentioned in -- Original-techn. papers. (Serviceanleitung)