Heathkit

TR-1A MK-?

Tape Machine

Main Details
Maker Heathkit Brand Heath Company Company Daystrom, Incorporated Company
Function
Channels/Tracks
  • 1 × Channel
Signal Path Analog Hardware
Made In United States
Date Produced 1961
Dimensions
(H × W × D)
  • Tape Machine
  • Preamplifier
Weight Tape Machine: 36lbs (Shipped), Preamplifier: 10lbs (Shipped)
Power Source 117VAC, 60Hz
Frequency Response 7.5IPS: 40Hz-15kHz ±3dB
Notes Consists of one TR-1 tape deck with mono, half-track mechanism, one AA-171 tape preamplifier and one microphone.

Updated TR-1A MK-3 with AA-171 in place of TE-1.
Additional Specifications
Speeds (IPS) 3.75/7.5
Wow & Flutter 0.35%
Fast Forward Time (1200') 5min.
Rewind Time (1200') 5min.
Motor 4-pole Induction
Bearings Sintered Bronze
THD 2%
SNR (0.75V/Channel) 40dB
Equalization NARTB
Bias Erase Frequency 60kHz
Output Voltage 0.75V
Output Impedance 600Ω
Input Impedance 1MΩ
Tube Complement EF-86, 6AN8 (x2), 6E5, 12AU7, 6X4
MSRP (1961) $109.95
Displays/Indicators
Type: 6E5 "Magic Eye"
Indication: Recording Level

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