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Last modified 2021-07-23

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Teaberry Big "T"

A picture of Teaberry Big ''T''
Electronic switching version


Type:Citizen band transceiver
Frequency range:26.965-27.255 MHz
Channels/tuning steps:23
Frequency control:XTAL matrix
Frequency stability:?%
Power supply:Mains: 105-129 VAC (Fixed power cord)
or 12-16 VDC (3-pin connector)
Current drain/power consumption:RX: Max 1.3 A @ 13.8 VDC
TX: Max 1.8 A @ 13.8 VDC
Antenna impedance/connector:50 ohm / SO-239
Dimensions (W*H*D):248*95*203 mm (9.75*3.75*8")
Weight:? Kg (? lb)
Other features:PA. ANL.

Receiver system: Double conversion superheterodyne
1st IF: ? MHz
2nd IF: 455 KHz
Sensitivity:0.5 uV (10 dB S/N)
Selectivity:10 KHz (-40 dB)
Image rejection:
AF output power/speaker:3 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm

RF output power:~3.5 W (5 W input)
Modulation system:
Max FM deviation (Factory set):No FM
Spurious emissions:Less than -? dB
Microphone impedance/connector:600 ohm / 4-pin (Metal locking ring connector)
Microphone input level:4 mV (For 50% modulation @ 1 KHz)

Manufactured:Japan, 197x-197x (Discontinued)
Main PCB: Relay version
Currently unknown to me
Electronic version
PC-010BA by Uni Electronics Corporation (Now Uniden)
Sub PCBs: Relay version
Currently unknown to me
Electronic version
PC-??? - Power supply board
Additional info: This radio was made in two versions. One with relay switching and
one with electronic switching. One had the PA function on the channel
selector while the other had a separate PA button. The front panel was
either in blue color (most common?) or wood grain.

NB! Sams Photofact has documented the relay version.
Related documents:Service manual (3.4 MB). Electronic switching version
Sams Photofact #:CB-41 (August 1972)
Modifications and fixes:
- -
A rear picture of Teaberry Big ''T''
Electronic switching version