Tape Recorder 5A
Ferrograph, British Ferrograph Recorder (Wright & Weaire); London
- Land
- Grossbritannien (UK)
- Hersteller / Marke
- Ferrograph, British Ferrograph Recorder (Wright & Weaire); London
- Jahr
- 1962 ?
- Kategorie
- Ton-/Bildspeichergerät oder -Spieler
- Radiomuseum.org ID
- 310555
- Anzahl Röhren
- 7
- Hauptprinzip
- NF-Verstärkung
- Wellenbereiche
- - ohne
- Spezialitäten
- Tonbandgerät
- Betriebsart / Volt
- Wechselstromspeisung / 200-250 Volt
- Lautsprecher
- Dynamischer (permanent) Ovallautsprecher
- Belastbarkeit / Leistung
- 2.5 W (Qualität unbekannt)
- Material
- Leder / Stoff / Plastic / Segeltuch über div. Material
- von Radiomuseum.org
- Modell: Tape Recorder 5A - Ferrograph, British Ferrograph
- Form
- Tischgerät, Truhenform, meist mit Deckel (NICHT Schrägpult).
- Abmessungen (BHT)
- 18.5 x 9.75 x 17.5 inch / 470 x 248 x 445 mm
- Bemerkung
-
A transportable two track two speed mono tape recorder.
Specification
Recording Medium Standard or "Extra Play" ¼" plastic coated tape.
On reels up to a maximum of 8¼" dia. coating inside
Track Width 0.1"—displaced to one edge.
Number of Tracks 2
Operating Tape Speeds 7½ and 3¾ ips
Playing Time Per Track Large Reel 45 mins at 7½ ips
1,750 ft. Std. Tape 90 mins at 3¾ ips
Playing Time Per Reel 11 hours and 3 hours respectively.
Note :- The above playing times will be increased
when "extra play" tape is used.
Rewind Time (and Wind On) Less than one minute for 1,750 ft. reel standard tape
Frequency Response 3¾ ips 40-10,000 Hz. ± 3dB
7½ ips 40-15,000 Hz. ± 3dB
"Wow & Flutter" Less than 0.16% at 7½ ips
(As a change in tape velocity)
Long Term Speed Stability Better than 0.5%
(For constant Mains Input Frequency)
Erase and Bias Frequency 68 kHz. approximately.
Input Levels Input 1, min. signal 0.003V RMS.
(For Full Depth Recording) Input 2, min. signal 0.15V RMS.
Impedances, 1 Megohm and 80Kohms respectively.
Output Arrangements 15 ohms 10" x 6" internal elliptical speaker.
Socket on front panel for external speakers.
Output Power 2.5 watts into 15 ohms.
Signal to Noise Ratio In the range 200Hz. to 15 kHz, better than 50dB
Unweighted, including hum, 45dB.The Ferrograph 5A can be converted to Ferrograph 5S stereo specification by replacing the dummy head in head position 3 with a stereo FP16 head.
- Nettogewicht
- 49.75 lb (49 lb 12 oz) / 22.587 kg
- Literatur/Schema (1)
- - - Manufacturers Literature (The Manual of the Ferrograph Series 5 published 1962)
- Autor
- Modellseite von Howard Craven angelegt. Siehe bei "Änderungsvorschlag" für weitere Mitarbeit.
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