Pentron HF-400 tube Reel to Reel.

Made in 1956. Weighs 41 pounds. Manufacturer: Pentron Corporation; Chicago (IL) Called the "Emperor" model. There are 2 speakers in the cabinet and one external speaker. According to the instructions the external speaker was a "tweeter" that only came with the HF-400 model. There are 7 tubes - 6SL7, 12AU7, 6AQ5, 6AQ5, 6V6, 6X5, and 5879. 110-120 Volt. 3 Loudspeakers / Ø 6 inch. Measures approx. 13.25"W x 9"H x 13.25"D

Pentron "Aristocrat" Reel-to-Reel Tape Recorder

Manufacturer: Pentron Corporation; Chicago (IL). 1958 Weighs 38 lb (38 lb 0 oz) / 17.252 kg. 7 Valves / Tubes:  6J7 6SL7GT 12AU7 6AQ5 6AQ5 6X5, 4 Loudspeakers

Pentron Model 9T-3C

Multi-speed Pentron tape recorder with full width heads. Range – 50 to 8000eps at 7-1/2" (1 hour) – 50 to 5000eps at 3-3/4" (2 hours). Interchangeable Heads – single or dual track. Push-button Control for speed change. Amplifier – Auto, equalization at both speeds. Weight – 27 lbs.