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Sound Rating: 5 / 10 # Owners: 1
Relaibility Rating: 5 / 10 Views: 131

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Technical Details

Brand: Truvox

Model:R 7

Category:Mainstream

Application:Consumer

Electronic:Tube

Country of Manufacture:United Kingdom

Release dates:1963-1963

Tracks:1/2 Rec/PB

Speeds: 3 3/4, 7 1/2

Max Reel Size("): 7"

Number of heads: 4

Head Composition: Permalloy

Head Configuration: Stereo - Stacked

# Motors: 3

Auto Reverse?:Yes

Voltage(s): 220-240v

Frequency Response:(all 3 dB): 7½ ips: 40Hz - 15kHz

Wow and Flutter:0.1% at 7½ ips, 0.2% at 3¾ ips

Signal-to-Noise Ratio:better than -45dB

Sound quality rating:5 / 10

Long-term reliability rating: 5 / 10

Additional Details

Description

The R7 was a half-track, bi-directional mono recorder with two speeds – 7½ and 3¾ ips. Twin tape head assemblies and a two-speed reversible capacitor-run motor enabled the R7 to record and playback in both directions. Two reel motors were fitted for a fast forward/rewind speed of 1200ft per minute.
Functional control was via a simple two-knob arrangement and other features included auto stop, pause, digital counter, direction indicators, magic eye modulation level indicator, separate bass and treble controls and a 10 watt push/pull amplifier.

Additional Info

Speed variation: less than 1% at both speeds / Valve complement: 3 x EL84. 2 x EF86. ECL82. ECC83. EM84. EN91 and EZ81 / Rewind speed: 1,200ft per minute / Audio output power: 10 watts into 15 ohms / Inputs: 2 x 4mV at 2.2M. 1 x 40mV at 0.5 M and 1 x 250mV at 0.5M / Outputs: line – low impedance. external speaker: 15 / 16 ohms / Speaker(s): 8 x 6″ elliptical and 4″ round – both Rola-Celestion high-flux density / Dimensions: 16½ x 16 x 10¼” (419 x 406.5 x 260.5 mm) / Weight: 45 lbs (20.5 kg) / half-track mono

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