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Sound Rating: 5 / 10 # Owners: 1
Relaibility Rating: 5 / 10 Views: 331

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Technical Details

Brand: Telefunken

Model:Magnetophon 85

Category:Vintage

Application:Consumer

Electronic:Tube

Country of Manufacture:Germany

Release dates:1959 - 1962

Tracks:1/2 Rec/PB

Speeds: 3 3/4, 7 1/2

Max Reel Size("): 7"

Number of heads: 2

Head Composition: Permalloy

Head Configuration: Mono - Half-Track

# Motors: 1

Auto Reverse?:No

Voltage(s): 220-240v

Frequency Response:(all 3 dB): 7½ ips: 30Hz - 20kHz

Wow and Flutter:equal to or less than 0.2% at 7½ ips, 0.4% at 3¾ ips

Signal-to-Noise Ratio:Unweighted over 50 db (300:1) below normal operating level

Sound quality rating:5 / 10

Long-term reliability rating: 5 / 10

Additional Details

Description

The half-track mono Magnetophon 85 was the ‘grown-up’ version of the Magnetophon 75, having speeds of 7½ and 3¾ ips and a 7″ reel capacity. Noise, hum and hiss were kept to a minimum by using D.C. heaters for the preamplifier section, double-screening of the motor and a special Philberth transformer with a very low stray field.
Features included straight-through amplifier function, bass and treble controls, output from preamp stage, superimpose function, foil-operated auto-stop, provision for remote control operation and a double-screened motor.

Additional Info

Total harmonic distortion: at playback output: below 5% / Valve complement: EF 86, ECC 81, ECC 83, EM 71 a,  AEG selenium rectifier B 250.  Power stage:  ECL 82  (85 K).  2 x ECC83 (85 KL) / Rewind speed: 180 seconds approx. for 1800 ft tape / Audio output power: 85K – 3 watts, 85KL – 6 watts push-pull / Speaker(s): two PM Allvox speakers (85K and 85KL only) / Inputs: microphone – 2.5 mV / 2 Mohm,  radio – 2.5 mV / 100 Kohm / Dimensions: 85 K: 7¾ x 17¾ x 16¼” (197 x 451 x 413 mm) / Weight: 33 lbs (15 kg) / half-track mono (stereo versions available)

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