Technical Details
Brand: Grundig
Model:TK 148
Category:Mid High Fidelity
Application:Consumer
Electronics:Solid State
Country of Manufacture:Germany
Release dates:1971 - 1975
Tracks:1/4 Rec/PB
Speeds: 1 7/8, 3 3/4
Max Reel Size("): 7"
Number of heads: 2
Head Composition: Permalloy
Head Configuration: Stereo
Voltage(s): 220-240v
Frequency Response:( 3dB): 3¾ ips: 40Hz - 12.5kHz 1 ips: 40Hz - 6.3kHz
Wow and Flutter:0.2% at 3¾ ips
Signal-to-Noise Ratio:50dB
Sound quality rating:5 / 10
Long-term reliability rating: 5/ 10
Additional Details
Description
The
TK 148 was a solid state, 4-track mono recorder with two speeds of 3¾ and 1
ips and a 5¾ inch reel capacity.
A single motor and two heads were incorporated
into the design, other features included automatic recording level and
auto-stop.
‘Trick’ recording allowed sound on sound and
sound with sound could also be performed, using an external earphone and
monitor amplifier.
Additional Info
Semi-conductors: 20 transistors, 8 diodes / Audio output power: 4 watts / Inputs: microphone: 1mV / 100K-ohm radio: 1mV / 33 kohm radio / gram: 50 mV / 1.5 mohm / Outputs: external amp: 500mV / 27 kohm / Speaker(s): internal 7¼ x 3¾ ” / Dimensions: 15½ ” x 11½ x 6¼ ” (393.7 x 292 x 158.75mm) / Weight: 17¾ lb (8 kg) / quarter-track mono